Position in SRPT
as of Jun 30, 2026
· filed Aug 14, 2026
Position Value
$8,445,900
-$8,484,758 QoQ
Shares Held
470,000
-52.5% QoQ
Ownership
0.445%
of shares outstanding
% of Portfolio
0.42%
of 13F equity value
Holder Rank
#41
of 323 holders
Holding Since
Mar 2020
23 quarters on record
Voting authority
Sole 100%
Shared 0%
None 0%
Common Shares in SRPT Over Time
Shares Held
Position Value (USD)
Derivatives in SRPT
reported options exposure · as of Mar 31, 2023CallValue
$3,445,750
CallShares
25,000
PutValue
$0
PutShares
0
Notional value of option positions as reported on Form 13F. Calls and puts are disclosed separately and do not net against the common-share stake above.
Position in Biotechnology
Healthcare · as of Jun 30, 2026Casdin Capital, LLC holds $1,258,350,419 across 31 Biotechnology names. SRPT ranks #18 (0.7% of the industry book) .
| # | Ticker | Company | Shares | Value (USD) | Open |
|---|---|---|---|---|---|
| 1 | RVMD |
Revolution Medicines, Inc.
|
2,577,333 | $482,682,924 | |
| 2 | RLAY |
Relay Therapeutics, Inc.
|
16,035,240 | $300,019,340 | |
| 3 | GPCR |
Structure Therapeutics Inc.
|
1,175,000 | $63,062,250 | |
| 4 | DNLI |
Denali Therapeutics Inc.
|
2,045,000 | $52,597,400 | |
| 5 | NGNE |
Neurogene Inc.
|
1,545,361 | $48,601,603 | |
| 6 | BEAM |
Beam Therapeutics Inc.
|
1,350,000 | $46,332,000 | |
| 7 | SRRK |
Scholar Rock Holding Corp
|
665,000 | $36,575,000 | |
| 8 | MAZE |
Maze Therapeutics, Inc.
|
843,857 | $25,180,692 |
All Filings in SRPT
Export CSV
24 filing rows on record
| Report Date | Value (USD) | Shares | Type | Discretion | Filed | |
|---|---|---|---|---|---|---|
| 2026-06-30 | $8,445,900 | 470,000 | Shares | Sole | 2026-08-14 | |
| 2025-06-30 | $16,930,658 | 990,097 | Shares | Sole | 2025-08-14 | |
| 2025-03-31 | $57,487,971 | 900,783 | Shares | Sole | 2025-05-15 | |
| 2024-12-31 | $130,526,865 | 1,073,500 | Shares | Sole | 2025-02-14 | |
| 2024-09-30 | $134,069,415 | 1,073,500 | Shares | Sole | 2024-11-14 | |
| 2024-06-30 | $169,613,000 | 1,073,500 | Shares | Sole | 2024-10-18 | |
| 2024-03-31 | $138,392,740 | 1,069,000 | Shares | Sole | 2024-05-15 | |
| 2023-12-31 | $97,056,795 | 1,006,500 | Shares | Sole | 2024-02-14 | |
| 2023-09-30 | $122,472,202 | 1,010,330 | Shares | Sole | 2023-11-14 | |
| 2023-06-30 | $116,237,800 | 1,015,000 | Shares | Sole | 2023-08-14 | |
| 2023-03-31 | $159,882,800 | 1,160,000 | Shares | Sole | 2023-05-15 | |
| 2023-03-31 | $3,445,750 | 25,000 | Call | Sole | 2023-05-15 | |
| 2022-12-31 | $170,397,700 | 1,315,000 | Shares | Sole | 2023-02-14 | |
| 2022-09-30 | $135,411,500 | 1,225,000 | Shares | Sole | 2022-11-14 | |
| 2022-06-30 | $48,724,000 | 650,000 | Shares | Sole | 2022-08-15 | |
| 2022-03-31 | $62,496,000 | 800,000 | Shares | Sole | 2022-05-16 | |
| 2021-12-31 | $121,567,500 | 1,350,000 | Shares | Sole | 2022-02-14 | |
| 2021-09-30 | $101,728,000 | 1,100,000 | Shares | Sole | 2021-11-15 | |
| 2021-06-30 | $68,799,900 | 885,000 | Shares | Sole | 2021-08-16 | |
| 2021-03-31 | $40,991,500 | 550,000 | Shares | Sole | 2021-05-17 | |
| 2020-12-31 | $90,359,700 | 530,000 | Shares | Sole | 2021-02-16 | |
| 2020-09-30 | $74,427,900 | 530,000 | Shares | Sole | 2020-11-16 | |
| 2020-06-30 | $84,980,200 | 530,000 | Shares | Sole | 2020-08-14 | |
| 2020-03-31 | $65,539,400 | 670,000 | Shares | Sole | 2020-05-15 | |
| No filing history on record for this holder in this stock. | ||||||