Position in SRZN
as of Jun 30, 2026
· filed Aug 14, 2026
Position Value
$264,378
-$32,398 QoQ
Shares Held
10,188
0.0% QoQ
Ownership
0.087%
of shares outstanding
% of Portfolio
0.00%
of 13F equity value
Holder Rank
#42
of 70 holders
Holding Since
Mar 2021
21 quarters on record
Voting authority
Sole 100%
Shared 0%
None 0%
Common Shares in SRZN Over Time
Shares Held
Position Value (USD)
Derivatives in SRZN
reported options exposure · as of Jun 30, 2024CallValue
$2,737,500
CallShares
250,000
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, 2026Alyeska Investment Group, L.P. holds $989,063,778 across 83 Biotechnology names. SRZN ranks #79 (0.0% of the industry book) .
| # | Ticker | Company | Shares | Value (USD) | Open |
|---|---|---|---|---|---|
| 1 | RVMD |
Revolution Medicines, Inc.
|
659,279 | $123,469,771 | |
| 2 | IONS |
Ionis Pharmaceuticals Inc
|
1,417,916 | $112,426,559 | |
| 3 | PTGX |
Protagonist Therapeutics, Inc
|
889,298 | $109,010,148 | |
| 4 | XENE |
Xenon Pharmaceuticals Inc.
|
697,692 | $42,112,689 | |
| 5 | MRNA |
Moderna, Inc.
|
560,819 | $39,274,154 | |
| 6 | KYMR |
Kymera Therapeutics, Inc.
|
276,455 | $31,701,094 | |
| 7 | LBRX |
Lb Pharmaceuticals Inc
|
863,947 | $28,039,399 | |
| 8 | PRAX |
Praxis Precision Medicines, Inc.
|
80,846 | $27,066,432 |
All Filings in SRZN
Export CSV
23 filing rows on record
| Report Date | Value (USD) | Shares | Type | Discretion | Filed | |
|---|---|---|---|---|---|---|
| 2026-06-30 | $264,378 | 10,188 | Shares | Sole | 2026-08-14 | |
| 2026-03-31 | $296,776 | 10,188 | Shares | Sole | 2026-05-15 | |
| 2025-12-31 | $230,248 | 10,188 | Shares | Sole | 2026-02-13 | |
| 2025-09-30 | $131,272 | 10,188 | Shares | Sole | 2025-11-17 | |
| 2025-06-30 | $91,080 | 10,188 | Shares | Sole | 2025-08-14 | |
| 2025-03-31 | $118,792 | 10,188 | Shares | Sole | 2025-05-15 | |
| 2024-12-31 | $146,197 | 10,188 | Shares | Sole | 2025-02-14 | |
| 2024-09-30 | $244,104 | 20,376 | Shares | Sole | 2024-11-14 | |
| 2024-06-30 | $223,117 | 20,376 | Shares | Sole | 2024-08-14 | |
| 2024-06-30 | $2,737,500 | 250,000 | Call | Sole | 2024-08-14 | |
| 2024-03-31 | $320,106 | 20,376 | Shares | Sole | 2024-05-15 | |
| 2023-12-31 | $191,534 | 20,376 | Shares | Sole | 2024-02-14 | |
| 2023-12-31 | $2,350,000 | 250,000 | Call | Sole | 2024-02-14 | |
| 2023-09-30 | $149,767 | 305,648 | Shares | Sole | 2023-11-14 | |
| 2023-03-31 | $184,000 | 305,648 | Shares | Sole | 2023-05-15 | |
| 2022-12-31 | $177,887 | 305,648 | Shares | Sole | 2023-02-14 | |
| 2022-09-30 | $617,408 | 305,648 | Shares | Sole | 2022-11-14 | |
| 2022-06-30 | $916,944 | 305,648 | Shares | Sole | 2022-08-15 | |
| 2022-03-31 | $920,000 | 305,648 | Shares | Sole | 2022-05-17 | |
| 2021-12-31 | $2,554,928 | 396,728 | Shares | Sole | 2022-02-14 | |
| 2021-09-30 | $3,540,000 | 500,000 | Shares | Sole | 2021-11-15 | |
| 2021-06-30 CHFW | — | 250,002 | Shares | Sole | 2021-08-16 | |
| 2021-03-31 CHFW | — | 250,002 | Shares | Sole | 2021-05-17 | |
| No filing history on record for this holder in this stock. | ||||||