Position in CYTK
as of Jun 30, 2026
· filed Aug 6, 2026
Position Value
$25,690,403
+$14,220,156 QoQ
Shares Held
301,566
+73.3% QoQ
Ownership
0.217%
of shares outstanding
% of Portfolio
0.02%
of 13F equity value
Holder Rank
#77
of 477 holders
Holding Since
Mar 2020
26 quarters on record
Voting authority
Sole 90%
Shared 0%
None 10%
Common Shares in CYTK Over Time
Shares Held
Position Value (USD)
Position in Biotechnology
Healthcare · as of Jun 30, 2026Russell Investments Group, Ltd. holds $1,494,413,888 across 308 Biotechnology names. CYTK ranks #16 (1.7% of the industry book) .
| # | Ticker | Company | Shares | Value (USD) | Open |
|---|---|---|---|---|---|
| 1 | VRTX |
Vertex Pharmaceuticals Inc / Ma
|
336,990 | $167,393,033 | |
| 2 | REGN |
Regeneron Pharmaceuticals, Inc.
|
230,151 | $143,508,345 | |
| 3 | RPRX |
Royalty Pharma plc
|
1,694,250 | $94,996,587 | |
| 4 | INCY |
Incyte Corp
|
425,616 | $48,247,822 | |
| 5 | ALNY |
Alnylam Pharmaceuticals, Inc.
|
158,228 | $47,631,369 | |
| 6 | BMRN |
Biomarin Pharmaceutical Inc
|
783,148 | $44,811,725 | |
| 7 | LGND |
Ligand Pharmaceuticals Inc
|
120,304 | $38,026,888 | |
| 8 | PTCT |
Ptc Therapeutics, Inc.
|
418,025 | $34,098,295 |
All Filings in CYTK
Export CSV
26 filing rows on record
| Report Date | Value (USD) | Shares | Type | Discretion | Filed | |
|---|---|---|---|---|---|---|
| 2026-06-30 | $25,690,403 | 301,566 | Shares | Other | 2026-08-06 | |
| 2026-03-31 | $11,470,247 | 174,029 | Shares | Defined | 2026-05-08 | |
| 2025-12-31 | $8,748,820 | 137,690 | Shares | Defined | 2026-02-17 | |
| 2025-09-30 | $6,589,151 | 119,890 | Shares | Defined | 2025-11-13 | |
| 2025-06-30 | $5,016,824 | 151,841 | Shares | Defined | 2025-08-13 | |
| 2025-03-31 | $1,986,912 | 49,438 | Shares | Defined | 2025-05-13 | |
| 2024-12-31 | $4,373,823 | 92,981 | Shares | Defined | 2025-02-13 | |
| 2024-09-30 | $8,219,903 | 155,680 | Shares | Defined | 2024-11-13 | |
| 2024-06-30 | $8,573,549 | 158,242 | Shares | Defined | 2024-08-08 | |
| 2024-03-31 | $17,221,888 | 245,641 | Shares | Sole | 2024-05-08 | |
| 2023-12-31 | $21,049,664 | 252,122 | Shares | Sole | 2024-02-05 | |
| 2023-09-30 | $8,530,347 | 289,557 | Shares | Sole | 2023-11-13 | |
| 2023-06-30 | $7,782,837 | 238,591 | Shares | Defined | 2023-08-10 | |
| 2023-03-31 | $7,732,122 | 219,725 | Shares | Defined | 2023-05-09 | |
| 2022-12-31 | $10,659,152 | 232,631 | Shares | Defined | 2023-02-08 | |
| 2022-09-30 | $17,622,377 | 363,723 | Shares | Defined | 2022-11-04 | |
| 2022-06-30 | $12,747,167 | 324,438 | Shares | Sole | 2022-07-29 | |
| 2022-03-31 | $7,584,146 | 206,035 | Shares | Sole | 2022-05-05 | |
| 2021-12-31 | $9,092,480 | 199,484 | Shares | Defined | 2022-01-21 | |
| 2021-09-30 | $6,886,060 | 192,671 | Shares | Defined | 2021-11-08 | |
| 2021-06-30 | $3,353,612 | 169,460 | Shares | Sole | 2021-08-04 | |
| 2021-03-31 | $2,157,062 | 92,737 | Shares | Defined | 2021-05-10 | |
| 2020-12-31 | $1,572,629 | 75,680 | Shares | Defined | 2021-02-08 | |
| 2020-09-30 | $2,461,322 | 113,687 | Shares | Sole | 2020-11-09 | |
| 2020-06-30 | $1,536,008 | 65,168 | Shares | Defined | 2020-08-05 | |
| 2020-03-31 | $1,131,579 | 95,978 | Shares | Defined | 2020-05-06 | |
| No filing history on record for this holder in this stock. | ||||||