Sarepta Therapeutics, Inc.
MX ˙ BMV ˙ US8036071004
SecurityMX:SRPT / Sarepta Therapeutics, Inc.
InstitutionGuggenheim Capital Llc
Latest Disclosed Ownership58,529 shares
Latest Disclosed Value $ 1,273,591
Guggenheim Capital Llc reports 12.68% increase in ownership of SRPT / Sarepta Therapeutics, Inc.

On May 15, 2026 - Guggenheim Capital Llc filed a 13F-HR form disclosing ownership of 58,529 shares of Sarepta Therapeutics, Inc. (MX:SRPT) valued at $1,273,591 USD as of March 31, 2026. The entity filed a previous 13F-HR on February 17, 2026 disclosing 51,942 shares of Sarepta Therapeutics, Inc.. This represents a change in shares of 12.68% during the quarter.

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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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 SAREPTA THERAPEUTICS COM 803607100 58,529 6,587 12.68 1,274 13.97 0.0049
2026-02-17 2025-12-31 13F SAREPTA THERAPEUTICS COM 803607100 51,942 -4,847 -8.54 1,118 2.10 0.0040
2025-11-13 2025-09-30 13F SAREPTA THERAPEUTICS COM 803607100 56,789 10,999 24.02 1,094 39.72 0.0056
2025-08-13 2025-06-30 13F SAREPTA THERAPEUTICS COM 803607100 45,790 11,497 33.53 783 -64.21 0.0062
2025-05-14 2025-03-31 13F SAREPTA THERAPEUTICS COM 803607100 34,293 1,882 5.81 2,189 -44.47 0.0201
2025-02-13 2024-12-31 13F SAREPTA THERAPEUTICS COM 803607100 32,411 -236 -0.72 3,941 -3.36 0.0319
2024-11-13 2024-09-30 13F SAREPTA THERAPEUTICS COM 803607100 32,647 1,773 5.74 4,077 -16.42 0.0285
2024-08-14 2024-06-30 13F SAREPTA THERAPEUTICS COM 803607100 30,874 4,539 17.24 4,878 43.09 0.0346
2024-05-14 2024-03-31 13F SAREPTA THERAPEUTICS COM 803607100 26,335 2,526 10.61 3,409 48.54 0.0240
2024-02-14 2023-12-31 13F SAREPTA THERAPEUTICS COM 803607100 23,809 289 1.23 2,296 -19.50 0.0173
2023-11-14 2023-09-30 13F SAREPTA THERAPEUTICS COM 803607100 23,520 -412 -1.72 2,851 4.05 0.0245
2023-08-11 2023-06-30 13F SAREPTA THERAPEUTICS COM 803607100 23,932 112 0.47 2,741 -16.54 0.0215
2023-05-11 2023-03-31 13F SAREPTA THERAPEUTICS COM 803607100 23,820 -6,702 -21.96 3,283 -16.99 0.0276
2023-02-14 2022-12-31 13F SAREPTA THERAPEUTICS COM 803607100 30,522 -1,477 -4.62 3,955 11.82 0.0347
2022-11-14 2022-09-30 13F SAREPTA THERAPEUTICS COM 803607100 31,999 -9,513 -22.92 3,537 13.66 0.0324
2022-08-15 2022-06-30 13F SAREPTA THERAPEUTICS COM 803607100 41,512 22 0.05 3,112 -3.98 0.0246
2022-05-16 2022-03-31 13F SAREPTA THERAPEUTICS COM 803607100 41,490 -388 -0.93 3,241 -14.05 0.0195
2022-02-14 2021-12-31 13F SAREPTA THERAPEUTICS COM 803607100 41,878 3,855 10.14 3,771 7.25 0.0197
2021-11-15 2021-09-30 13F SAREPTA THERAPEUTICS COM 803607100 38,023 -733 -1.89 3,516 16.69 0.0211
2021-08-13 2021-06-30 13F SAREPTA THERAPEUTICS COM 803607100 38,756 -2,890 -6.94 3,013 -2.90 0.0177
2021-05-13 2021-03-31 13F SAREPTA THERAPEUTICS COM 803607100 41,646 11,104 36.36 3,103 -40.41 0.0204
2021-02-16 2020-12-31 13F SAREPTA THERAPEUTICS COM 803607100 30,542 -3,359 -9.91 5,207 9.37 0.0327
2020-11-13 2020-09-30 13F SAREPTA THERAPEUTICS COM 803607100 33,901 -5,198 -13.29 4,761 -24.05 0.0345
2020-08-14 2020-06-30 13F SAREPTA THERAPEUTICS COM 803607100 39,099 5,020 14.73 6,269 88.09 0.0485
2020-06-02 2020-03-31 13F SAREPTA THERAPEUTICS COM 803607100 34,079 -7,014 -17.07 3,333 -37.15 0.0336
2020-02-20 2019-12-31 13F/A-1 SAREPTA THERAPEUTICS COM 803607100 41,093 -1,929 -4.48 5,303 63.67 0.0398
2020-02-14 2019-12-31 13F SAREPTA THERAPEUTICS COM 803607100 41,093 -1,929 5,303 31,429.8210
2020-02-20 2019-09-30 13F/A-1 SAREPTA THERAPEUTICS COM 803607100 43,022 2,857 7.11 3,240 -46.91 0.0259
2019-11-14 2019-09-30 13F SAREPTA THERAPEUTICS COM 803607100 43,022 2,857 3,240 23,743.6704
2019-08-14 2019-06-30 13F SAREPTA THERAPEUTICS COM 803607100 40,165 -6,400 -13.74 6,103 9.96 0.0497
2019-05-15 2019-03-31 13F SAREPTA THERAPEUTICS COM 803607100 46,565 -1,665 -3.45 5,550 5.45 0.0452
2019-02-14 2018-12-31 13F SAREPTA THERAPEUTICS COM 803607100 48,230 5,838 13.77 5,263 -23.13 0.0446
2018-11-14 2018-09-30 13F SAREPTA THERAPEUTICS COM 803607100 42,392 -7,275 -14.65 6,847 4.31 0.0446
2018-08-14 2018-06-30 13F SAREPTA THERAPEUTICS COM 803607100 49,667 -7,329 -12.86 6,564 55.47 0.0438
2018-05-15 2018-03-31 13F SAREPTA THERAPEUTICS COM 803607100 56,996 -8,351 -12.78 4,222 16.15 0.0103
2018-02-14 2017-12-31 13F SAREPTA THERAPEUTICS COM 803607100 65,347 -18,370 -21.94 3,635 -4.24 0.0086
2017-11-14 2017-09-30 13F SAREPTA THERAPEUTICS COM 803607100 83,717 167 0.20 3,796 34.71 0.0089
2017-08-14 2017-06-30 13F SAREPTA THERAPEUTICS COM 803607100 83,550 -3,923 -4.48 2,818 8.89 0.0075
2017-05-15 2017-03-31 13F SAREPTA THERAPEUTICS COM 803607100 87,473 1,704 1.99 2,588 9.99 0.0070
2017-02-14 2016-12-31 13F SAREPTA THERAPEUTICS COM 803607100 85,769 -7,641 -8.18 2,353 -58.99 0.0067
2016-11-14 2016-09-30 13F SAREPTA THERAPEUTICS COM 803607100 93,410 -30,459 -24.59 5,737 142.89 0.0178
2016-08-15 2016-06-30 13F SAREPTA THERAPEUTICS COM 803607100 123,869 123,869 0.00 2,362 0.0074
2016-05-16 2016-03-31 13F SAREPTA THERAPEUTICS COM 803607100 0 -126,065 -100.00 0 -100.00
2016-02-16 2015-12-31 13F SAREPTA THERAPEUTICS COM 803607100 126,065 59,721 90.02 4,864 128.36 0.0142
2015-11-16 2015-09-30 13F SAREPTA THERAPEUTICS COM 803607100 66,344 56,400 567.18 2,130 602.97 0.0066
2015-08-14 2015-06-30 13F SAREPTA THERAPEUTICS COM 803607100 9,944 -1,955 -16.43 303 91.77 0.0007
2015-05-18 2015-03-31 13F/A-1 SAREPTA THERAPEUTICS COM 803607100 11,899 -190,771 -94.13 158 -94.61 0.0004
2015-05-15 2015-03-31 13F SAREPTA THERAPEUTICS COM 803607100 11,899 158
2015-02-17 2014-12-31 13F SAREPTA THERAPEUTICS COM 803607100 202,670 76,493 60.62 2,932 10.14 0.0074
2014-11-14 2014-09-30 13F SAREPTA THERAPEUTICS COM 803607100 126,177 30,429 31.78 2,662 -6.66 0.0064
2014-08-14 2014-06-30 13F SAREPTA THERAPEUTICS COM 803607100 95,748 -27,564 -22.35 2,852 -3.75 0.0072
2014-05-16 2014-03-31 13F SAREPTA THERAPEUTICS COM 803607100 123,312 -24,132 -16.37 2,963 -1.33 0.0084
2014-02-14 2013-12-31 13F SAREPTA THERAPEUTICS COM 803607100 147,444 38,215 34.99 3,003 -41.79 0.0091
2013-11-14 2013-09-30 13F SAREPTA THERAPEUTICS COM 803607100 109,229 -4,611 -4.05 5,159 19.09 0.0185
2013-08-22 2013-06-30 13F/A-1 SAREPTA THERAPEUTICS COM 803607100 113,840 113,840 4,332 0.0182
2013-08-14 2013-06-30 13F SAREPTA THERAPEUTICS COM 803607100 113,840 4,332 0.0183
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.