Position in SRRK
as of Jun 30, 2026
· filed Aug 14, 2026
Position Value
$369,989,675
+$39,749,759 QoQ
Shares Held
6,727,085
+0.1% QoQ
Ownership
5.52%
of shares outstanding
% of Portfolio
0.06%
of 13F equity value
Holder Rank
#6
of 304 holders
Holding Since
Sep 2020
22 quarters on record
Voting authority
Sole 0%
Shared 89%
None 11%
Common Shares in SRRK Over Time
Shares Held
Position Value (USD)
Position in Biotechnology
Healthcare · as of Jun 30, 2026WELLINGTON MANAGEMENT GROUP LLP holds $14,994,233,945 across 206 Biotechnology names. SRRK ranks #17 (2.5% of the industry book) .
| # | Ticker | Company | Shares | Value (USD) | Open |
|---|---|---|---|---|---|
| 1 | VRTX |
Vertex Pharmaceuticals Inc / Ma
|
3,247,658 | $1,613,209,155 | |
| 2 | ARGX |
Argenx SE
|
930,548 | $863,334,513 | |
| 3 | REGN |
Regeneron Pharmaceuticals, Inc.
|
1,270,087 | $791,950,042 | |
| 4 | RVMD |
Revolution Medicines, Inc.
|
3,843,415 | $719,794,757 | |
| 5 | ALNY |
Alnylam Pharmaceuticals, Inc.
|
2,110,407 | $635,295,816 | |
| 6 | IONS |
Ionis Pharmaceuticals Inc
|
7,651,415 | $606,680,693 | |
| 7 | CYTK |
Cytokinetics Inc
|
6,931,770 | $590,517,483 | |
| 8 | MDGL |
Madrigal Pharmaceuticals, Inc.
|
825,714 | $443,367,129 |
All Filings in SRRK
Export CSV
22 filing rows on record
| Report Date | Value (USD) | Shares | Type | Discretion | Filed | |
|---|---|---|---|---|---|---|
| 2026-06-30 | $369,989,675 | 6,727,085 | Shares | Defined | 2026-08-14 | |
| 2026-03-31 | $330,239,916 | 6,717,655 | Shares | Defined | 2026-05-15 | |
| 2025-12-31 | $253,702,799 | 5,759,428 | Shares | Defined | 2026-02-17 | |
| 2025-09-30 | $169,288,827 | 4,545,887 | Shares | Defined | 2025-11-14 | |
| 2025-06-30 | $71,720,713 | 2,024,865 | Shares | Defined | 2025-08-14 | |
| 2025-03-31 | $59,316,650 | 1,844,997 | Shares | Defined | 2025-05-13 | |
| 2024-12-31 | $74,581,379 | 1,725,622 | Shares | Defined | 2025-02-12 | |
| 2024-09-30 | $1,600,213 | 199,777 | Shares | Defined | 2024-11-14 | |
| 2024-06-30 | $1,432,559 | 171,976 | Shares | Defined | 2024-08-14 | |
| 2024-03-31 | $2,793,309 | 157,281 | Shares | Defined | 2024-05-15 | |
| 2023-12-31 | $1,346,831 | 71,640 | Shares | Defined | 2024-02-12 | |
| 2023-03-31 | $2,071,992 | 258,999 | Shares | Defined | 2023-05-12 | |
| 2022-12-31 | $2,443,852 | 270,039 | Shares | Defined | 2023-02-13 | |
| 2022-09-30 | $1,882,866 | 271,698 | Shares | Defined | 2022-11-14 | |
| 2022-06-30 | $716,565 | 130,522 | Shares | Defined | 2022-08-15 | |
| 2022-03-31 | $1,682,428 | 130,522 | Shares | Defined | 2022-05-16 | |
| 2021-12-31 | $30,703,481 | 1,236,050 | Shares | Defined | 2022-02-11 | |
| 2021-09-30 | $42,149,632 | 1,276,488 | Shares | Defined | 2021-11-15 | |
| 2021-06-30 | $16,405,286 | 567,657 | Shares | Defined | 2021-08-16 | |
| 2021-03-31 | $16,252,080 | 320,807 | Shares | Defined | 2021-05-17 | |
| 2020-12-31 | $12,341,663 | 254,310 | Shares | Defined | 2021-02-12 | |
| 2020-09-30 | $5,316,852 | 300,557 | Shares | Defined | 2020-11-16 | |
| No filing history on record for this holder in this stock. | ||||||