Position in CYTK
as of Jun 30, 2026
· filed Aug 7, 2026
Position Value
$553,243,709
+$174,578,039 QoQ
Shares Held
6,494,233
+13.0% QoQ
Ownership
4.67%
of shares outstanding
% of Portfolio
0.02%
of 13F equity value
Holder Rank
#5
of 477 holders
Holding Since
Mar 2020
26 quarters on record
Voting authority
Sole 12%
Shared 0%
None 88%
Common Shares in CYTK Over Time
Shares Held
Position Value (USD)
Position in Biotechnology
Healthcare · as of Jun 30, 2026STATE STREET CORP holds $36,552,510,511 across 411 Biotechnology names. CYTK ranks #10 (1.5% of the industry book) .
| # | Ticker | Company | Shares | Value (USD) | Open |
|---|---|---|---|---|---|
| 1 | VRTX |
Vertex Pharmaceuticals Inc / Ma
|
11,871,459 | $5,896,909,829 | |
| 2 | REGN |
Regeneron Pharmaceuticals, Inc.
|
4,834,688 | $3,014,621,355 | |
| 3 | INCY |
Incyte Corp
|
9,722,336 | $1,102,124,008 | |
| 4 | MRNA |
Moderna, Inc.
|
15,726,193 | $1,101,305,295 | |
| 5 | ALNY |
Alnylam Pharmaceuticals, Inc.
|
3,555,689 | $1,070,369,059 | |
| 6 | RVMD |
Revolution Medicines, Inc.
|
4,897,051 | $917,119,711 | |
| 7 | RPRX |
Royalty Pharma plc
|
12,338,229 | $691,804,500 | |
| 8 | INSM |
INSMED Inc
|
6,052,174 | $645,282,791 |
All Filings in CYTK
Export CSV
27 filing rows on record
| Report Date | Value (USD) | Shares | Type | Discretion | Filed | |
|---|---|---|---|---|---|---|
| 2026-06-30 | $553,243,709 | 6,494,233 | Shares | Defined | 2026-08-07 | |
| 2026-03-31 | $378,665,670 | 5,745,193 | Shares | Defined | 2026-05-15 | |
| 2025-12-31 | $370,139,244 | 5,825,295 | Shares | Defined | 2026-02-13 | |
| 2025-09-30 | $308,728,676 | 5,617,334 | Shares | Sole | 2025-11-10 | |
| 2025-09-30 | $308,728,676 | 5,617,334 | Shares | Defined | 2025-11-14 | |
| 2025-06-30 | $210,555,759 | 6,372,753 | Shares | Defined | 2025-08-14 | |
| 2025-03-31 | $244,556,190 | 6,085,001 | Shares | Defined | 2025-05-15 | |
| 2024-12-31 | $290,111,673 | 6,167,340 | Shares | Defined | 2025-02-14 | |
| 2024-09-30 | $340,999,507 | 6,458,324 | Shares | Defined | 2024-11-14 | |
| 2024-06-30 | $354,799,680 | 6,548,536 | Shares | Defined | 2024-08-14 | |
| 2024-03-31 | $316,922,299 | 4,520,358 | Shares | Defined | 2024-05-15 | |
| 2023-12-31 | $492,036,459 | 5,893,358 | Shares | Defined | 2024-02-14 | |
| 2023-09-30 | $155,386,357 | 5,274,486 | Shares | Defined | 2023-11-14 | |
| 2023-06-30 | $166,087,339 | 5,091,580 | Shares | Defined | 2023-08-14 | |
| 2023-03-31 | $167,289,741 | 4,753,900 | Shares | Defined | 2023-05-15 | |
| 2022-12-31 | $231,157,959 | 5,044,914 | Shares | Defined | 2023-05-15 | |
| 2022-09-30 | $206,160,806 | 4,255,125 | Shares | Defined | 2022-11-15 | |
| 2022-06-30 | $176,971,039 | 4,504,226 | Shares | Defined | 2022-08-15 | |
| 2022-03-31 | $154,485,385 | 4,196,832 | Shares | Defined | 2022-05-16 | |
| 2021-12-31 | $181,646,646 | 3,985,227 | Shares | Defined | 2022-02-14 | |
| 2021-09-30 | $154,049,693 | 4,310,288 | Shares | Defined | 2021-11-15 | |
| 2021-06-30 | $84,123,054 | 4,250,786 | Shares | Defined | 2021-08-16 | |
| 2021-03-31 | $96,342,222 | 4,141,970 | Shares | Defined | 2021-07-09 | |
| 2020-12-31 | $96,438,379 | 4,640,923 | Shares | Defined | 2021-02-16 | |
| 2020-09-30 | $81,842,629 | 3,780,260 | Shares | Defined | 2020-11-10 | |
| 2020-06-30 | $71,677,124 | 3,041,032 | Shares | Defined | 2020-08-14 | |
| 2020-03-31 | $31,662,775 | 2,685,562 | Shares | Defined | 2020-06-19 | |
| No filing history on record for this holder in this stock. | ||||||