Sarepta Therapeutics, Inc.
US ˙ NasdaqGS ˙ US8036071004

SecuritySRPT / Sarepta Therapeutics, Inc.
InstitutionCitigroup Inc
Latest Disclosed Ownership1,147,648 shares
Latest Disclosed Value $ 24,972,820
Citigroup Inc ownership in SRPT / Sarepta Therapeutics, Inc.

On May 11, 2026 - Citigroup Inc filed a 13F-HR form disclosing ownership of 1,147,648 shares of Sarepta Therapeutics, Inc. (US:SRPT) valued at $24,972,820 USD as of March 31, 2026. The entity filed a previous 13F-HR on February 13, 2026 disclosing 1,146,175 shares of Sarepta Therapeutics, Inc.. This represents a change in shares of 0.13% during the quarter. The current value of the position is $18,637,804 USD.

Citigroup Inc has a history of taking positions in derivatives of the underlying security (SRPT) in the form of stock options. The firm currently holds call options representing 0 of underlying shares valued at $0 USD and put options representing 0 of underlying shares valued at $0 USD .

Note: prior versions of this page mistakenly stated that the share values represented the number of options, not the number of underlying shares. For more information on the data backing these reports, please see the SEC document Frequently Asked Questions About Form 13F.

Institutional Ownership: 13F and NPORT Filings

The Security and Class in the table below are shown exactly as filed by the investor. We do our best to track continuity of investments through acquisitions, and this will be reflected in the table as changes in names. In addition to descriptive data, performance of the investment is shown over time. To calculate quarterly performance, we first calculate cost basis of the shares purchased during the quarter, then use that to calculate gross profit. Quarterly return is Gross Profit / Starting Portfolio value.

Note that cost basis is calculated and stored in thousands, so small quarterly changes in shares frequently result in a cost basis of zero.

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Institutional Put/Call Ratios
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In addition to reporting standard equity and debt issues, institutions with more than 100MM assets under management must also disclose their put and call option holdings. Since put options generally indicate negative sentiment, and call options indicate positive sentiment, we can get a sense of the overall institutional sentiment by plotting the ratio of puts to calls. The chart to the right plots the historical put/call ratio for this instrument.

Using Put/Call Ratio as an indicator of investor sentiment overcomes one of the key deficiencies of using total institutional ownership, which is that a significant amount of assets under management are invested passively to track indices. Passively-managed funds do not typically buy options, so the put/call ratio indicator more closely tracks the sentiment of actively-managed funds.

SRPT / Sarepta Therapeutics, Inc. Historical Put/Call Ratio
Disclosed Equity Positions (from 13F/NPORT Filings)
File
Date
Effective
Date
Form Security Class ID Avg Price
Paid (Est)
Reported
Shares
ΔShares ΔShares
(%)
Reported
Value
(x1000)
ΔValue
(%)
Alloc
(%)
ΔAlloc ΔAlloc (%) Cost Basis
(x1000)
Unrealized
Gain/Loss
(x1000)
2026-05-11 2026-03-31 13F SAREPTA THERAPEUTICS COM 803607100 1,147,648 1,473 0.13 24,973 1.24 0.0054
2026-02-13 2025-12-31 13F SAREPTA THERAPEUTICS COM 803607100 1,146,175 127,253 12.49 24,666 25.62 0.0109
2025-11-10 2025-09-30 13F SAREPTA THERAPEUTICS COM 803607100 1,018,922 808,602 384.46 19,635 446.00 0.0088
2025-08-11 2025-06-30 13F SAREPTA THERAPEUTICS COM 803607100 210,320 -173,507 -45.20 3,596 -85.32 0.0018
2025-05-12 2025-03-31 13F SAREPTA THERAPEUTICS COM 803607100 383,827 309,732 418.02 24,496 171.89 0.0125
2025-02-12 2024-12-31 13F SAREPTA THERAPEUTICS COM 803607100 74,095 17,335 30.54 9,009 27.10 0.0053
2024-11-12 2024-09-30 13F SAREPTA THERAPEUTICS COM 803607100 56,760 24,594 76.46 7,089 39.47 0.0041
2024-08-12 2024-06-30 13F SAREPTA THERAPEUTICS COM 803607100 32,166 -48,085 -59.92 5,082 -51.08 0.0033
2024-05-10 2024-03-31 13F SAREPTA THERAPEUTICS COM 803607100 80,251 14,865 22.73 10,389 64.77 0.0068
2024-02-09 2023-12-31 13F SAREPTA THERAPEUTICS COM 803607100 65,386 19,704 43.13 6,305 13.87 0.0044
2023-12-06 2023-09-30 13F/A-1 SAREPTA THERAPEUTICS COM 803607100 45,682 1,939 4.43 5,538 10.54 0.0041
2023-11-09 2023-09-30 13F SAREPTA THERAPEUTICS COM 803607100 45,682 1,939 5,538 0.0017
2023-08-10 2023-06-30 13F SAREPTA THERAPEUTICS COM 803607100 43,743 -37,277 -46.01 5,009 -55.14 0.0033
2023-05-11 2023-03-31 13F SAREPTA THERAPEUTICS COM 803607100 81,020 44,517 121.95 11,167 136.07 0.0078
2023-02-09 2022-12-31 13F SAREPTA THERAPEUTICS COM 803607100 36,503 -29,207 -44.45 4,730 -34.88 0.0038
2022-11-10 2022-09-30 13F SAREPTA THERAPEUTICS COM 803607100 65,710 -29,556 -31.02 7,264 1.74 0.0052
2022-08-10 2022-06-30 13F SAREPTA THERAPEUTICS COM 803607100 95,266 44,525 87.75 7,140 80.12 0.0053
2022-05-12 2022-03-31 13F SAREPTA THERAPEUTICS COM 803607100 50,741 -31,769 -38.50 3,964 -46.65 0.0024
2022-02-10 2021-12-31 13F SAREPTA THERAPEUTICS COM 803607100 82,510 26,313 46.82 7,430 42.94 0.0040
2021-11-10 2021-09-30 13F SAREPTA THERAPEUTICS COM 803607100 56,197 -80,125 -58.78 5,198 -50.95 0.0031
2021-08-10 2021-06-30 13F SAREPTA THERAPEUTICS COM 803607100 136,322 41,936 44.43 10,597 50.63 0.0064
2021-05-13 2021-03-31 13F SAREPTA THERAPEUTICS COM 803607100 94,386 56,315 147.92 7,035 8.38 0.0046
2021-02-11 2020-12-31 13F SAREPTA THERAPEUTICS COM 803607100 38,071 -2,078 -5.18 6,491 15.11 0.0038
2020-11-12 2020-09-30 13F SAREPTA THERAPEUTICS COM 803607100 40,149 -13,836 -25.63 5,639 -34.85 0.0037
2020-08-12 2020-06-30 13F SAREPTA THERAPEUTICS COM 803607100 53,985 1,055 1.99 8,655 67.15 0.0068
2020-05-12 2020-03-31 13F SAREPTA THERAPEUTICS COM 803607100 52,930 -24,813 -31.92 5,178 -48.39 0.0047
2020-02-12 2019-12-31 13F SAREPTA THERAPEUTICS COM 803607100 77,743 -1,697 -2.14 10,033 67.69 0.0073
2019-11-08 2019-09-30 13F SAREPTA THERAPEUTICS COM 803607100 79,440 -145,765 -64.73 5,983 -82.52 0.0047
2019-08-12 2019-06-30 13F SAREPTA THERAPEUTICS COM 803607100 225,205 132,580 143.14 34,220 209.94 0.0276
2019-05-13 2019-03-31 13F SAREPTA THERAPEUTICS COM 803607100 92,625 7,973 9.42 11,041 19.52 0.0106
2019-02-12 2018-12-31 13F SAREPTA THERAPEUTICS COM 803607100 84,652 30,847 57.33 9,238 6.29 0.0094
2018-11-13 2018-09-30 13F SAREPTA THERAPEUTICS COM 803607100 53,805 34,894 184.52 8,691 247.78 0.0078
2018-08-10 2018-06-30 13F SAREPTA THERAPEUTICS COM 803607100 18,911 -77,302 -80.34 2,499 -64.94 0.0023
2018-05-11 2018-03-31 13F SAREPTA THERAPEUTICS COM 803607100 96,213 -47,809 -33.20 7,128 -11.04 0.0059
2018-02-12 2017-12-31 13F SAREPTA THERAPEUTICS COM 803607100 144,022 100,771 232.99 8,013 308.41 0.0064
2017-11-13 2017-09-30 13F SAREPTA THERAPEUTICS COM 803607100 43,251 -88,443 -67.16 1,962 -55.81 0.0016
2017-08-11 2017-06-30 13F SAREPTA THERAPEUTICS COM 803607100 131,694 62,383 90.00 4,440 116.37 0.0040
2017-05-12 2017-03-31 13F SAREPTA THERAPEUTICS COM 803607100 69,311 41,476 149.01 2,052 168.94 0.0018
2017-02-10 2016-12-31 13F SAREPTA THERAPEUTICS COM 803607100 27,835 -1,020 -3.53 763 -56.94 0.0007
2016-11-10 2016-09-30 13F SAREPTA THERAPEUTICS COM 803607100 28,855 -3,634 -11.19 1,772 186.27 0.0017
2016-08-12 2016-06-30 13F SAREPTA THERAPEUTICS COM 803607100 32,489 -50,735 -60.96 619 -61.88 0.0006
2016-05-13 2016-03-31 13F SAREPTA THERAPEUTICS COM 803607100 83,224 41,359 98.79 1,624 0.56 0.0018
2016-02-12 2015-12-31 13F SAREPTA THERAPEUTICS COM 803607100 41,865 12,906 44.57 1,615 73.84 0.0016
2015-11-13 2015-09-30 13F SAREPTA THERAPEUTICS COM 803607100 28,959 6,658 29.86 929 36.82 0.0009
2015-08-13 2015-06-30 13F SAREPTA THERAPEUTICS COM 803607100 22,301 8,306 59.35 679 265.05 0.0006
2015-05-14 2015-03-31 13F SAREPTA THERAPEUTICS COM 803607100 13,995 -6,206 -30.72 186 -36.52 0.0002
2015-02-17 2014-12-31 13F SAREPTA THERAPEUTICS COM 803607100 20,201 15,420 322.53 293 190.10 0.0003
2014-11-14 2014-09-30 13F SAREPTA THERAPEUTICS COM 803607100 4,781 -3,269 -40.61 101 -57.92 0.0001
2014-08-14 2014-06-30 13F SAREPTA THERAPEUTICS COM 803607100 8,050 -6,749 -45.60 240 -32.58 0.0002
2014-05-15 2014-03-31 13F SAREPTA THERAPEUTICS COM 803607100 14,799 -13,352 -47.43 356 -37.87 0.0004
2014-02-14 2013-12-31 13F SAREPTA THERAPEUTICS COM 803607100 28,151 17,657 168.26 573 15.76 0.0005
2013-11-14 2013-09-30 13F SAREPTA THERAPEUTICS COM 803607100 10,494 -337 -3.11 495 20.15 0.0005
2013-08-14 2013-06-30 13F SAREPTA THERAPEUTICS COM 803607100 10,831 10,831 412 0.0004
Disclosed Call Options
File
Date
Effective
Date
Form Security Class ID Opt Avg Share
Price
Shares ΔShares
(%)
Value
(x1000)
ΔValue
(%)
Prior Allocation
(%)
Allocation
(%)
ΔAllocation
(%)
Cost Basis
(x1000)
Profit
(x1000)
Return
(%)
2025-11-10 2025-09-30 13F SAREPTA THERAPEUTICS COM Call 0 -100.00 0 -100.00 n/a n/a n/a
2025-08-11 2025-06-30 13F SAREPTA THERAPEUTICS COM Call 17,500 0.00 299 -73.21 n/a n/a n/a
2025-05-12 2025-03-31 13F SAREPTA THERAPEUTICS COM Call 17,500 -12.50 1,117 -54.09 n/a n/a n/a
2025-02-12 2024-12-31 13F SAREPTA THERAPEUTICS COM Call 20,000 -16.32 2,432 -18.53 n/a n/a n/a
2024-11-12 2024-09-30 13F SAREPTA THERAPEUTICS COM Call 23,900 -10.49 2,985 -29.26 n/a n/a n/a
2024-08-12 2024-06-30 13F SAREPTA THERAPEUTICS COM Call 26,700 1,470.59 4,219 1,817.27 n/a n/a n/a
2024-05-10 2024-03-31 13F SAREPTA THERAPEUTICS COM Call 1,700 -88.67 220 -84.79 n/a n/a n/a
2024-02-09 2023-12-31 13F SAREPTA THERAPEUTICS COM Call 15,000 -25.00 1,446 -40.35 n/a n/a n/a
2023-12-06 2023-09-30 13F/A SAREPTA THERAPEUTICS COM Call 20,000 2,424 n/a n/a n/a
2023-11-09 2023-09-30 13F SAREPTA THERAPEUTICS COM Call 20,000 2,424 n/a n/a n/a
2023-08-10 2023-06-30 13F SAREPTA THERAPEUTICS COM Call 0 -100.00 0 -100.00 n/a n/a n/a
2023-05-11 2023-03-31 13F SAREPTA THERAPEUTICS COM Call 21,400 21,300.00 2,950 24,475.00 n/a n/a n/a
2023-02-09 2022-12-31 13F SAREPTA THERAPEUTICS COM Call 100 -99.83 13 -99.82 n/a n/a n/a
2022-11-10 2022-09-30 13F SAREPTA THERAPEUTICS COM Call 58,700 6,489 n/a n/a n/a
2021-05-13 2021-03-31 13F SAREPTA THERAPEUTICS COM Call 0 -100.00 0 -100.00 n/a n/a n/a
2021-02-11 2020-12-31 13F SAREPTA THERAPEUTICS COM Call 43,900 -17.17 7,485 0.56 n/a n/a n/a
2020-11-12 2020-09-30 13F SAREPTA THERAPEUTICS COM Call 53,000 10.65 7,443 -3.09 n/a n/a n/a
2020-08-12 2020-06-30 13F SAREPTA THERAPEUTICS COM Call 47,900 15.14 7,680 88.74 n/a n/a n/a
2020-05-12 2020-03-31 13F SAREPTA THERAPEUTICS COM Call 41,600 -66.23 4,069 -74.40 n/a n/a n/a
2020-02-12 2019-12-31 13F SAREPTA THERAPEUTICS COM Call 123,200 88.38 15,897 222.72 n/a n/a n/a
2019-11-08 2019-09-30 13F SAREPTA THERAPEUTICS COM Call 65,400 -85.25 4,926 -92.69 n/a n/a n/a
2019-08-12 2019-06-30 13F SAREPTA THERAPEUTICS COM Call 443,500 496.10 67,390 659.92 n/a n/a n/a
2019-05-13 2019-03-31 13F SAREPTA THERAPEUTICS COM Call 74,400 -1.46 8,868 7.63 n/a n/a n/a
2019-02-12 2018-12-31 13F SAREPTA THERAPEUTICS COM Call 75,500 36.04 8,239 -8.09 n/a n/a n/a
2018-11-13 2018-09-30 13F SAREPTA THERAPEUTICS COM Call 55,500 -1.07 8,964 20.89 n/a n/a n/a
2018-08-10 2018-06-30 13F SAREPTA THERAPEUTICS COM Call 56,100 66.96 7,415 197.91 n/a n/a n/a
2018-05-11 2018-03-31 13F SAREPTA THERAPEUTICS COM Call 33,600 -19.04 2,489 7.80 n/a n/a n/a
2018-02-12 2017-12-31 13F SAREPTA THERAPEUTICS COM Call 41,500 -33.49 2,309 -18.41 n/a n/a n/a
2017-11-13 2017-09-30 13F SAREPTA THERAPEUTICS COM Call 62,400 60.00 2,830 115.21 n/a n/a n/a
2017-08-11 2017-06-30 13F SAREPTA THERAPEUTICS COM Call 39,000 45.52 1,315 65.83 n/a n/a n/a
2017-05-12 2017-03-31 13F SAREPTA THERAPEUTICS COM Call 26,800 -26.78 793 -21.02 n/a n/a n/a
2017-02-10 2016-12-31 13F SAREPTA THERAPEUTICS COM Call 36,600 -48.81 1,004 -77.14 n/a n/a n/a
2016-11-10 2016-09-30 13F SAREPTA THERAPEUTICS COM Call 71,500 14.58 4,391 268.99 n/a n/a n/a
2016-08-12 2016-06-30 13F SAREPTA THERAPEUTICS COM Call 62,400 -21.71 1,190 -23.52 n/a n/a n/a
2016-05-13 2016-03-31 13F SAREPTA THERAPEUTICS COM Call 79,700 -26.75 1,556 -62.93 n/a n/a n/a
2016-02-12 2015-12-31 13F SAREPTA THERAPEUTICS COM Call 108,800 87.91 4,198 125.82 n/a n/a n/a
2015-11-13 2015-09-30 13F SAREPTA THERAPEUTICS COM Call 57,900 -6.76 1,859 -1.64 n/a n/a n/a
2015-08-13 2015-06-30 13F SAREPTA THERAPEUTICS COM Call 62,100 31.01 1,890 200.48 n/a n/a n/a
2015-05-14 2015-03-31 13F SAREPTA THERAPEUTICS COM Call 47,400 222.45 629 195.31 n/a n/a n/a
2015-02-17 2014-12-31 13F SAREPTA THERAPEUTICS COM Call 14,700 213 n/a n/a n/a
Disclosed Put Options
File
Date
Effective
Date
Form Security Class ID Opt Avg Share Price Shares ΔShares
(%)
Value
(x1000)
ΔValue
(%)
Prior Allocation
(%)
Allocation
(%)
ΔAllocation
(%)
Cost Basis
(x1000)
Profit
(x1000)
Return
(%)
2026-02-13 2025-12-31 13F SAREPTA THERAPEUTICS COM Put 0 -100.00 0 -100.00 n/a n/a n/a
2025-11-10 2025-09-30 13F SAREPTA THERAPEUTICS COM Put 35,000 100.00 674 125.42 n/a n/a n/a
2025-08-11 2025-06-30 13F SAREPTA THERAPEUTICS COM Put 17,500 0.00 299 -73.21 n/a n/a n/a
2025-05-12 2025-03-31 13F SAREPTA THERAPEUTICS COM Put 17,500 -12.50 1,117 -54.09 n/a n/a n/a
2025-02-12 2024-12-31 13F SAREPTA THERAPEUTICS COM Put 20,000 -66.04 2,432 -66.95 n/a n/a n/a
2024-11-12 2024-09-30 13F SAREPTA THERAPEUTICS COM Put 58,900 7.09 7,356 -15.35 n/a n/a n/a
2024-08-12 2024-06-30 13F SAREPTA THERAPEUTICS COM Put 55,000 8,690 n/a n/a n/a
2024-05-10 2024-03-31 13F SAREPTA THERAPEUTICS COM Put 0 -100.00 0 -100.00 n/a n/a n/a
2024-02-09 2023-12-31 13F SAREPTA THERAPEUTICS COM Put 25,000 -16.67 2,411 -33.72 n/a n/a n/a
2023-12-06 2023-09-30 13F/A SAREPTA THERAPEUTICS COM Put 30,000 200.00 3,637 217.55 n/a n/a n/a
2023-11-09 2023-09-30 13F SAREPTA THERAPEUTICS COM Put 30,000 3,637 n/a n/a n/a
2023-08-10 2023-06-30 13F SAREPTA THERAPEUTICS COM Put 10,000 -62.12 1,145 -68.53 n/a n/a n/a
2023-05-11 2023-03-31 13F SAREPTA THERAPEUTICS COM Put 26,400 428.00 3,639 462.29 n/a n/a n/a
2023-02-09 2022-12-31 13F SAREPTA THERAPEUTICS COM Put 5,000 -85.16 648 -82.63 n/a n/a n/a
2022-11-10 2022-09-30 13F SAREPTA THERAPEUTICS COM Put 33,700 3,725 n/a n/a n/a
2021-05-13 2021-03-31 13F SAREPTA THERAPEUTICS COM Put 0 -100.00 0 -100.00 n/a n/a n/a
2021-02-11 2020-12-31 13F SAREPTA THERAPEUTICS COM Put 68,000 -3.95 11,593 16.61 n/a n/a n/a
2020-11-12 2020-09-30 13F SAREPTA THERAPEUTICS COM Put 70,800 -35.75 9,942 -43.73 n/a n/a n/a
2020-08-12 2020-06-30 13F SAREPTA THERAPEUTICS COM Put 110,200 -13.84 17,669 41.23 n/a n/a n/a
2020-05-12 2020-03-31 13F SAREPTA THERAPEUTICS COM Put 127,900 -24.72 12,511 -42.93 n/a n/a n/a
2020-02-12 2019-12-31 13F SAREPTA THERAPEUTICS COM Put 169,900 33.05 21,924 127.95 n/a n/a n/a
2019-11-08 2019-09-30 13F SAREPTA THERAPEUTICS COM Put 127,700 22.55 9,618 -39.26 n/a n/a n/a
2019-08-12 2019-06-30 13F SAREPTA THERAPEUTICS COM Put 104,200 3.68 15,834 32.18 n/a n/a n/a
2019-05-13 2019-03-31 13F SAREPTA THERAPEUTICS COM Put 100,500 187.97 11,979 214.49 n/a n/a n/a
2019-02-12 2018-12-31 13F SAREPTA THERAPEUTICS COM Put 34,900 63.85 3,809 10.73 n/a n/a n/a
2018-11-13 2018-09-30 13F SAREPTA THERAPEUTICS COM Put 21,300 -47.15 3,440 -35.42 n/a n/a n/a
2018-08-10 2018-06-30 13F SAREPTA THERAPEUTICS COM Put 40,300 212.40 5,327 457.22 n/a n/a n/a
2018-05-11 2018-03-31 13F SAREPTA THERAPEUTICS COM Put 12,900 -49.81 956 -33.15 n/a n/a n/a
2018-02-12 2017-12-31 13F SAREPTA THERAPEUTICS COM Put 25,700 -56.66 1,430 -46.84 n/a n/a n/a
2017-11-13 2017-09-30 13F SAREPTA THERAPEUTICS COM Put 59,300 36.01 2,690 82.99 n/a n/a n/a
2017-08-11 2017-06-30 13F SAREPTA THERAPEUTICS COM Put 43,600 101.85 1,470 130.05 n/a n/a n/a
2017-05-12 2017-03-31 13F SAREPTA THERAPEUTICS COM Put 21,600 -77.02 639 -75.21 n/a n/a n/a
2017-02-10 2016-12-31 13F SAREPTA THERAPEUTICS COM Put 94,000 20.20 2,578 -46.31 n/a n/a n/a
2016-11-10 2016-09-30 13F SAREPTA THERAPEUTICS COM Put 78,200 210.32 4,802 898.34 n/a n/a n/a
2016-08-12 2016-06-30 13F SAREPTA THERAPEUTICS COM Put 25,200 -34.72 481 -36.12 n/a n/a n/a
2016-05-13 2016-03-31 13F SAREPTA THERAPEUTICS COM Put 38,600 -25.48 753 -62.31 n/a n/a n/a
2016-02-12 2015-12-31 13F SAREPTA THERAPEUTICS COM Put 51,800 60.87 1,998 93.23 n/a n/a n/a
2015-11-13 2015-09-30 13F SAREPTA THERAPEUTICS COM Put 32,200 -39.47 1,034 -36.13 n/a n/a n/a
2015-08-13 2015-06-30 13F SAREPTA THERAPEUTICS COM Put 53,200 257.05 1,619 717.68 n/a n/a n/a
2015-05-14 2015-03-31 13F SAREPTA THERAPEUTICS COM Put 14,900 2,383.33 198 2,100.00 n/a n/a n/a
2015-02-17 2014-12-31 13F SAREPTA THERAPEUTICS COM Put 600 9 n/a n/a n/a
Legend
Shares
The total number of shares held by the institution at the end of the reporting period (the effective date). This is provided in the filing.
Value
The total value of the shares as of the effective date. This is provided in the filing.
Avg. Share Price
The weighted average share price of the shares held by the institution. We use FIFO accounting to determine this price
Class
This is the security class as indicated by the filer. There are a variety of values for this field. Common values include "EC" = equity common, "EP" - equity preferred
Allocation (%)
The percent of the institution's portfolio that this position represents. This is provided in NPORT filings. For 13F filings, we calculate it.
Change in Allocation
The change in allocation from the prior reporting period. This is calculated as current allocation - prior allocation.
Change in Allocation (%)
The percent change in allocation from the prior reporting period. This is calculated as (current allocation - prior allocation) / prior allocation.
Cost Basis
The total cost of the shares held. This is calculated as reported shares * avg. share price
Unrealized Gain/Loss
This is the market value of the position as of the effective date minus the cost basis.