Seagate Technology Holdings plc
DE ˙ DB ˙ IE00BKVD2N49
802,00 € ↓ -10,00 (-1,23%)
2026-06-04
DEL PRIS
SecurityDE:847 / Seagate Technology Holdings plc
InstitutionMillennium Management Llc
ManagerIsrael Englander
Latest Disclosed Ownership250,279 shares
Latest Disclosed Value $ 98,049,301
Millennium Management Llc ownership in 847 / Seagate Technology Holdings plc

On May 15, 2026 - Millennium Management Llc filed a 13F-HR form disclosing ownership of 250,279 shares of Seagate Technology Holdings plc (DE:847) valued at $83,843,465 USD as of March 31, 2026. The entity filed a previous 13F-HR on February 17, 2026 disclosing 81,581 shares of Seagate Technology Holdings plc. This represents a change in shares of 206.79% during the quarter. The current value of the position is $200,723,758 USD.

Millennium Management Llc has a history of taking positions in derivatives of the underlying security (847) in the form of stock options. The firm currently holds call options representing 243,400 of underlying shares valued at $95,354,384 USD and put options representing 170,400 of underlying shares valued at $66,755,904 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
(Premium Subscription Required)

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.

DE:847 / Seagate Technology Holdings plc 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)
2026-05-15 2026-03-31 13F SEAGATE TECHNOLOGY HLDNGS PL ORD SHS G7997R103 250,279 168,698 206.79 98,049 336.43 0.0408
2026-02-17 2025-12-31 13F SEAGATE TECHNOLOGY HLDNGS PL ORD SHS G7997R103 81,581 -694,605 -89.49 22,467 -87.74 0.0094
2025-11-14 2025-09-30 13F SEAGATE TECHNOLOGY HLDNGS PL ORD SHS G7997R103 776,186 26,333 3.51 183,226 69.30 0.0782
2025-08-14 2025-06-30 13F SEAGATE TECHNOLOGY HLDNGS PL ORD SHS G7997R103 749,853 89,050 13.48 108,226 92.80 0.0523
2025-05-15 2025-03-31 13F SEAGATE TECHNOLOGY HLDNGS PL ORD SHS G7997R103 660,803 -474,482 -41.79 56,135 -42.71 0.0299
2025-02-14 2024-12-31 13F SEAGATE TECHNOLOGY HLDNGS PL ORD SHS G7997R103 1,135,285 209,106 22.58 97,986 -3.41 0.0479
2024-11-14 2024-09-30 13F SEAGATE TECHNOLOGY HLDNGS PL ORD SHS G7997R103 926,179 12,735 1.39 101,444 7.54 0.0481
2024-08-14 2024-06-30 13F SEAGATE TECHNOLOGY HLDNGS PL ORD SHS G7997R103 913,444 342,103 59.88 94,331 77.44 0.0437
2024-05-15 2024-03-31 13F SEAGATE TECHNOLOGY HLDNGS PL ORD SHS G7997R103 571,341 571,341 53,163 0.0227
2024-02-14 2023-12-31 13F SEAGATE TECHNOLOGY HLDNGS PL ORD SHS G7997R103 0 -279,951 -100.00 0 -100.00
2023-11-14 2023-09-30 13F SEAGATE TECHNOLOGY HLDNGS PL ORD SHS G7997R103 279,951 244,369 686.78 18,463 738.80 0.0093
2023-08-14 2023-06-30 13F SEAGATE TECHNOLOGY HLDNGS PL ORD SHS G7997R103 35,582 35,582 2,201 0.0011
2023-05-15 2023-03-31 13F SEAGATE TECHNOLOGY HLDNGS PL ORD SHS G7997R103 0 -158,781 -100.00 0 -100.00
2023-02-14 2022-12-31 13F SEAGATE TECHNOLOGY HLDNGS PL ORD SHS G7997R103 158,781 2,876 1.84 8,353 0.65 0.0046
2022-11-14 2022-09-30 13F SEAGATE TECHNOLOGY HLDNGS PL ORD SHS G7997R103 155,905 -277,491 -64.03 8,299 -73.20 0.0049
2022-08-15 2022-06-30 13F SEAGATE TECHNOLOGY HLDNGS PL ORD SHS G7997R103 433,396 147,913 51.81 30,962 20.64 0.0192
2022-05-16 2022-03-31 13F SEAGATE TECHNOLOGY HLDNGS PL ORD SHS G7997R103 285,483 173,963 155.99 25,665 103.69 0.0136
2022-02-14 2021-12-31 13F SEAGATE TECHNOLOGY HLDNGS PL ORD SHS G7997R103 111,520 7,138 6.84 12,600 46.27 0.0064
2021-11-15 2021-09-30 13F SEAGATE TECHNOLOGY HLDNGS PL ORD SHS G7997R103 104,382 -542,158 -83.86 8,614 -84.85 0.0052
2021-08-16 2021-06-30 13F SEAGATE TECHNOLOGY HLDNGS PL ORD SHS G7997R103 646,540 321,953 99.19 56,850 128.20 0.0349
2021-05-17 2021-03-31 13F SEAGATE TECHNOLOGY SHS G7945M107 324,587 -510,011 -61.11 24,912 -51.98 0.0178
2021-02-16 2020-12-31 13F SEAGATE TECHNOLOGY SHS G7945M107 834,598 755,120 950.10 51,879 1,224.80 0.0375
2020-11-16 2020-09-30 13F SEAGATE TECHNOLOGY SHS G7945M107 79,478 -364,151 -82.08 3,916 -81.77 0.0048
2020-08-14 2020-06-30 13F SEAGATE TECHNOLOGY SHS G7945M107 443,629 30,255 7.32 21,476 6.46 0.0294
2020-05-14 2020-03-31 13F SEAGATE TECHNOLOGY SHS G7945M107 413,374 27,911 7.24 20,173 -12.04 0.0453
2020-02-14 2019-12-31 13F SEAGATE TECHNOLOGY SHS G7945M107 385,463 245,238 174.89 22,935 204.10 0.0287
2019-11-14 2019-09-30 13F SEAGATE TECHNOLOGY SHS G7945M107 140,225 -178,021 -55.94 7,542 -49.71 0.0119
2019-08-15 2019-06-30 13F/A-1 SEAGATE TECHNOLOGY SHS G7945M107 318,246 109,638 52.56 14,996 50.11 0.0225
2019-08-14 2019-06-30 13F ITRON COM G7945M107 383,639 175,031 24,004
2019-05-14 2019-03-31 13F SEAGATE TECHNOLOGY SHS G7945M107 208,608 -173,899 -45.46 9,990 -32.32 0.0150
2019-02-15 2018-12-31 13F/A-1 SEAGATE TECHNOLOGY SHS G7945M107 382,507 31,796 9.07 14,761 -11.11 0.0230
2019-02-14 2018-12-31 13F SEAGATE TECHNOLOGY SHS G7945M107 382,507 14,761
2018-11-14 2018-09-30 13F SEAGATE TECHNOLOGY SHS G7945M107 350,711 -394,439 -52.93 16,606 -60.54 0.0204
2018-08-14 2018-06-30 13F SEAGATE TECHNOLOGY SHS G7945M107 745,150 468,068 168.93 42,079 159.51 0.0549
2018-05-15 2018-03-31 13F SEAGATE TECHNOLOGY SHS G7945M107 277,082 193,420 231.19 16,215 363.29 0.0216
2018-02-14 2017-12-31 13F SEAGATE TECHNOLOGY SHS G7945M107 83,662 83,662 3,500 0.0048
2017-11-14 2017-09-30 13F SEAGATE TECHNOLOGY SHS G7945M107 0 -99,312 -100.00 0 -100.00
2017-08-14 2017-06-30 13F SEAGATE TECHNOLOGY SHS G7945M107 99,312 -763,491 -88.49 3,848 -90.29 0.0069
2017-05-15 2017-03-31 13F SEAGATE TECHNOLOGY SHS G7945M107 862,803 862,803 39,629 0.0726
2017-02-14 2016-12-31 13F SEAGATE TECHNOLOGY SHS G7945M107 0 -2,603,107 -100.00 0 -100.00
2016-11-14 2016-09-30 13F SEAGATE TECHNOLOGY SHS G7945M107 2,603,107 2,603,107 0.00 100,350 0.1683
2016-02-16 2015-12-31 13F SEAGATE TECHNOLOGY SHS G7945M107 0 -71,402 -100.00 0 -100.00
2015-11-16 2015-09-30 13F SEAGATE TECHNOLOGY SHS G7945M107 71,402 46,952 192.03 3,199 175.54 0.0062
2015-08-14 2015-06-30 13F SEAGATE TECHNOLOGY SHS G7945M107 24,450 24,450 0.00 1,161 0.0022
2015-05-15 2015-03-31 13F SEAGATE TECHNOLOGY SHS G7945M107 0 -341,201 -100.00 0 -100.00
2015-02-17 2014-12-31 13F SEAGATE TECHNOLOGY SHS G7945M107 341,201 309,160 964.89 22,690 1,136.51 0.0481
2014-11-14 2014-09-30 13F SEAGATE TECHNOLOGY SHS G7945M107 32,041 -356,699 -91.76 1,835 -91.59 0.0046
2014-02-14 2013-12-31 13F SEAGATE TECHNOLOGY SHS G7945M107 388,740 305,364 366.25 21,832 498.30 0.0689
2013-11-14 2013-09-30 13F SEAGATE TECHNOLOGY SHS G7945M107 83,376 -292,397 -77.81 3,649 -78.34 0.0118
2013-08-14 2013-06-30 13F SEAGATE TECHNOLOGY SHS G7945M107 375,773 375,773 16,846 0.0516
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
(%)
2026-05-15 2026-03-31 13F SEAGATE TECHNOLOGY HLDNGS PL ORD SHS Call 243,400 -0.16 95,354 42.02 n/a n/a n/a
2026-02-17 2025-12-31 13F SEAGATE TECHNOLOGY HLDNGS PL ORD SHS Call 243,800 28.25 67,140 49.62 n/a n/a n/a
2025-11-14 2025-09-30 13F SEAGATE TECHNOLOGY HLDNGS PL ORD SHS Call 190,100 39.17 44,875 127.62 n/a n/a n/a
2025-08-14 2025-06-30 13F SEAGATE TECHNOLOGY HLDNGS PL ORD SHS Call 136,600 680.57 19,715 1,226.72 n/a n/a n/a
2025-05-15 2025-03-31 13F SEAGATE TECHNOLOGY HLDNGS PL ORD SHS Call 17,500 -53.33 1,487 -54.08 n/a n/a n/a
2025-02-14 2024-12-31 13F SEAGATE TECHNOLOGY HLDNGS PL ORD SHS Call 37,500 -10.71 3,237 -29.65 n/a n/a n/a
2024-11-14 2024-09-30 13F SEAGATE TECHNOLOGY HLDNGS PL ORD SHS Call 42,000 -36.17 4,600 -32.30 n/a n/a n/a
2024-08-14 2024-06-30 13F SEAGATE TECHNOLOGY HLDNGS PL ORD SHS Call 65,800 30.30 6,795 44.61 n/a n/a n/a
2024-05-15 2024-03-31 13F SEAGATE TECHNOLOGY HLDNGS PL ORD SHS Call 50,500 72.95 4,699 88.56 n/a n/a n/a
2024-02-14 2023-12-31 13F SEAGATE TECHNOLOGY HLDNGS PL ORD SHS Call 29,200 -79.26 2,493 -73.16 n/a n/a n/a
2023-11-14 2023-09-30 13F SEAGATE TECHNOLOGY HLDNGS PL ORD SHS Call 140,800 644.97 9,286 694.27 n/a n/a n/a
2023-08-14 2023-06-30 13F SEAGATE TECHNOLOGY HLDNGS PL ORD SHS Call 18,900 360.98 1,169 331.37 n/a n/a n/a
2023-05-15 2023-03-31 13F SEAGATE TECHNOLOGY HLDNGS PL ORD SHS Call 4,100 -89.98 271 -87.41 n/a n/a n/a
2023-02-14 2022-12-31 13F SEAGATE TECHNOLOGY HLDNGS PL ORD SHS Call 40,900 2,152 n/a n/a n/a
2022-08-15 2022-06-30 13F SEAGATE TECHNOLOGY HLDNGS PL ORD SHS Call 0 -100.00 0 -100.00 n/a n/a n/a
2022-05-16 2022-03-31 13F SEAGATE TECHNOLOGY HLDNGS PL ORD SHS Call 15,200 1,366 n/a n/a n/a
2022-02-14 2021-12-31 13F SEAGATE TECHNOLOGY HLDNGS PL ORD SHS Call 0 -100.00 0 -100.00 n/a n/a n/a
2021-11-15 2021-09-30 13F SEAGATE TECHNOLOGY HLDNGS PL ORD SHS Call 22,500 1,857 n/a n/a n/a
2021-08-16 2021-06-30 13F SEAGATE TECHNOLOGY SHS Call 0 -100.00 0 -100.00 n/a n/a n/a
2021-05-17 2021-03-31 13F SEAGATE TECHNOLOGY SHS Call 45,300 3,477 n/a n/a n/a
2021-02-16 2020-12-31 13F SEAGATE TECHNOLOGY SHS Call 0 -100.00 0 -100.00 n/a n/a n/a
2020-11-16 2020-09-30 13F SEAGATE TECHNOLOGY SHS Call 70,000 3,449 n/a n/a n/a
2020-08-14 2020-06-30 13F SEAGATE TECHNOLOGY SHS Call 0 -100.00 0 -100.00 n/a n/a n/a
2020-05-14 2020-03-31 13F SEAGATE TECHNOLOGY SHS Call 15,200 289.74 742 219.83 n/a n/a n/a
2020-02-14 2019-12-31 13F SEAGATE TECHNOLOGY SHS Call 3,900 -66.95 232 -5.69 n/a n/a n/a
2019-08-14 2019-06-30 13F KINDER MORGAN INC DEL COM Call 11,800 246 n/a n/a n/a
2019-02-15 2018-12-31 13F/A SEAGATE TECHNOLOGY SHS Call 0 -100.00 0 -100.00 n/a n/a n/a
2018-11-14 2018-09-30 13F SEAGATE TECHNOLOGY SHS Call 100,000 4,735 n/a n/a n/a
2017-11-14 2017-09-30 13F SEAGATE TECHNOLOGY SHS Call 0 -100.00 0 -100.00 n/a n/a n/a
2017-08-14 2017-06-30 13F SEAGATE TECHNOLOGY SHS Call 1,000,000 38,750 n/a n/a n/a
2017-02-14 2016-12-31 13F SEAGATE TECHNOLOGY SHS Call 0 -100.00 0 -100.00 n/a n/a n/a
2016-11-14 2016-09-30 13F SEAGATE TECHNOLOGY SHS Call 100,000 3,855 n/a n/a n/a
2014-08-14 2014-06-30 13F SEAGATE TECHNOLOGY SHS Call 0 -100.00 0 -100.00 n/a n/a n/a
2014-05-15 2014-03-31 13F SEAGATE TECHNOLOGY SHS Call 90,100 -36.55 5,060 -36.55 n/a n/a n/a
2014-02-14 2013-12-31 13F SEAGATE TECHNOLOGY SHS Call 142,000 -41.13 7,975 -24.44 n/a n/a n/a
2013-11-14 2013-09-30 13F SEAGATE TECHNOLOGY SHS Call 241,200 72.29 10,555 68.18 n/a n/a n/a
2013-08-14 2013-06-30 13F SEAGATE TECHNOLOGY SHS Call 140,000 6,276 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
(%)
2026-05-15 2026-03-31 13F SEAGATE TECHNOLOGY HLDNGS PL ORD SHS Put 170,400 50.80 66,756 114.52 n/a n/a n/a
2026-02-17 2025-12-31 13F SEAGATE TECHNOLOGY HLDNGS PL ORD SHS Put 113,000 -56.77 31,119 -49.57 n/a n/a n/a
2025-11-14 2025-09-30 13F SEAGATE TECHNOLOGY HLDNGS PL ORD SHS Put 261,400 81.40 61,706 196.71 n/a n/a n/a
2025-08-14 2025-06-30 13F SEAGATE TECHNOLOGY HLDNGS PL ORD SHS Put 144,100 -36.41 20,798 8.04 n/a n/a n/a
2025-05-15 2025-03-31 13F SEAGATE TECHNOLOGY HLDNGS PL ORD SHS Put 226,600 362.45 19,250 355.17 n/a n/a n/a
2025-02-14 2024-12-31 13F SEAGATE TECHNOLOGY HLDNGS PL ORD SHS Put 49,000 -9.09 4,229 -28.36 n/a n/a n/a
2024-11-14 2024-09-30 13F SEAGATE TECHNOLOGY HLDNGS PL ORD SHS Put 53,900 34.75 5,904 42.93 n/a n/a n/a
2024-08-14 2024-06-30 13F SEAGATE TECHNOLOGY HLDNGS PL ORD SHS Put 40,000 -48.45 4,131 -42.80 n/a n/a n/a
2024-05-15 2024-03-31 13F SEAGATE TECHNOLOGY HLDNGS PL ORD SHS Put 77,600 -15.19 7,221 -7.57 n/a n/a n/a
2024-02-14 2023-12-31 13F SEAGATE TECHNOLOGY HLDNGS PL ORD SHS Put 91,500 -46.30 7,811 -30.49 n/a n/a n/a
2023-11-14 2023-09-30 13F SEAGATE TECHNOLOGY HLDNGS PL ORD SHS Put 170,400 210.95 11,238 231.47 n/a n/a n/a
2023-08-14 2023-06-30 13F SEAGATE TECHNOLOGY HLDNGS PL ORD SHS Put 54,800 260.53 3,390 237.31 n/a n/a n/a
2023-05-15 2023-03-31 13F SEAGATE TECHNOLOGY HLDNGS PL ORD SHS Put 15,200 -91.73 1,005 -89.61 n/a n/a n/a
2023-02-14 2022-12-31 13F SEAGATE TECHNOLOGY HLDNGS PL ORD SHS Put 183,900 -40.98 9,675 -41.67 n/a n/a n/a
2022-11-14 2022-09-30 13F SEAGATE TECHNOLOGY HLDNGS PL ORD SHS Put 311,600 -22.26 16,586 -42.07 n/a n/a n/a
2022-08-15 2022-06-30 13F SEAGATE TECHNOLOGY HLDNGS PL ORD SHS Put 400,800 -2.43 28,633 -22.47 n/a n/a n/a
2022-05-16 2022-03-31 13F SEAGATE TECHNOLOGY HLDNGS PL ORD SHS Put 410,800 -11.88 36,931 -29.88 n/a n/a n/a
2022-02-14 2021-12-31 13F SEAGATE TECHNOLOGY HLDNGS PL ORD SHS Put 466,200 0.00 52,671 36.91 n/a n/a n/a
2021-11-15 2021-09-30 13F SEAGATE TECHNOLOGY HLDNGS PL ORD SHS Put 466,200 6.88 38,471 0.30 n/a n/a n/a
2021-08-16 2021-06-30 13F SEAGATE TECHNOLOGY HLDNGS PL ORD SHS Put 436,200 20.10 38,355 37.59 n/a n/a n/a
2021-05-17 2021-03-31 13F SEAGATE TECHNOLOGY SHS Put 363,200 -45.69 27,876 -32.95 n/a n/a n/a
2021-02-16 2020-12-31 13F SEAGATE TECHNOLOGY SHS Put 668,800 36.96 41,573 72.80 n/a n/a n/a
2020-11-16 2020-09-30 13F SEAGATE TECHNOLOGY SHS Put 488,300 16.73 24,059 18.81 n/a n/a n/a
2020-08-14 2020-06-30 13F SEAGATE TECHNOLOGY SHS Put 418,300 -7.29 20,250 -8.03 n/a n/a n/a
2020-05-14 2020-03-31 13F SEAGATE TECHNOLOGY SHS Put 451,200 -7.33 22,019 -24.00 n/a n/a n/a
2020-02-14 2019-12-31 13F SEAGATE TECHNOLOGY SHS Put 486,900 315.09 28,971 359.20 n/a n/a n/a
2019-11-14 2019-09-30 13F SEAGATE TECHNOLOGY SHS Put 117,300 329.67 6,309 390.59 n/a n/a n/a
2019-08-15 2019-06-30 13F/A SEAGATE TECHNOLOGY SHS Put 27,300 0.00 1,286 -1.61 n/a n/a n/a
2019-05-14 2019-03-31 13F SEAGATE TECHNOLOGY SHS Put 27,300 -60.20 1,307 -50.62 n/a n/a n/a
2019-02-15 2018-12-31 13F/A SEAGATE TECHNOLOGY SHS Put 68,600 -60.37 2,647 -67.70 n/a n/a n/a
2019-02-14 2018-12-31 13F SEAGATE TECHNOLOGY SHS Put 68,600 2,647 n/a n/a n/a
2018-11-14 2018-09-30 13F SEAGATE TECHNOLOGY SHS Put 173,100 8,196 n/a n/a n/a
2014-08-14 2014-06-30 13F SEAGATE TECHNOLOGY SHS Put 0 -100.00 0 -100.00 n/a n/a n/a
2014-05-15 2014-03-31 13F SEAGATE TECHNOLOGY SHS Put 12,400 -91.25 696 -91.25 n/a n/a n/a
2014-02-14 2013-12-31 13F SEAGATE TECHNOLOGY SHS Put 141,700 -40.93 7,958 -24.20 n/a n/a n/a
2013-11-14 2013-09-30 13F SEAGATE TECHNOLOGY SHS Put 239,900 26.26 10,498 23.24 n/a n/a n/a
2013-08-14 2013-06-30 13F SEAGATE TECHNOLOGY SHS Put 190,000 8,518 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.