GEODE CAPITAL MANAGEMENT, LLC
Position in CYCN — Cyclerion Therapeutics, Inc.
CIK 1214717
BOSTON, MA
Position in CYCN
as of Jun 30, 2026
· filed Aug 12, 2026
Position Value
$155,431
+$24,380 QoQ
Shares Held
45,850
-45.8% QoQ
Ownership
0.979%
of shares outstanding
% of Portfolio
0.00%
of 13F equity value
Holder Rank
#7
of 21 holders
Holding Since
Mar 2020
26 quarters on record
Voting authority
Sole 100%
Shared 0%
None 0%
Common Shares in CYCN Over Time
Shares Held
Position Value (USD)
Position in Biotechnology
Healthcare · as of Jun 30, 2026GEODE CAPITAL MANAGEMENT, LLC holds $21,877,426,307 across 521 Biotechnology names. CYCN ranks #416 (0.0% of the industry book) .
| # | Ticker | Company | Shares | Value (USD) | Open |
|---|---|---|---|---|---|
| 1 | VRTX |
Vertex Pharmaceuticals Inc / Ma
|
6,017,848 | $2,989,245,636 | |
| 2 | REGN |
Regeneron Pharmaceuticals, Inc.
|
2,625,810 | $1,637,297,566 | |
| 3 | ALNY |
Alnylam Pharmaceuticals, Inc.
|
2,635,840 | $793,466,914 | |
| 4 | RVMD |
Revolution Medicines, Inc.
|
3,942,676 | $738,384,360 | |
| 5 | MRNA |
Moderna, Inc.
|
9,710,335 | $680,014,759 | |
| 6 | INCY |
Incyte Corp
|
4,750,735 | $538,543,319 | |
| 7 | RPRX |
Royalty Pharma plc
|
8,058,048 | $451,814,751 | |
| 8 | INSM |
INSMED Inc
|
4,220,155 | $449,952,925 |
All Filings in CYCN
Export CSV
26 filing rows on record
| Report Date | Value (USD) | Shares | Type | Discretion | Filed | |
|---|---|---|---|---|---|---|
| 2026-06-30 | $155,431 | 45,850 | Shares | Defined | 2026-08-12 | |
| 2026-03-31 | $131,051 | 84,550 | Shares | Defined | 2026-05-15 | |
| 2025-12-31 | $54,993 | 43,302 | Shares | Defined | 2026-02-09 | |
| 2025-09-30 | $85,462 | 37,158 | Shares | Defined | 2025-11-12 | |
| 2025-06-30 | $95,258 | 32,735 | Shares | Defined | 2025-08-08 | |
| 2025-03-31 | $79,007 | 31,603 | Shares | Defined | 2025-05-13 | |
| 2024-12-31 | $102,459 | 31,820 | Shares | Defined | 2025-02-12 | |
| 2024-09-30 | $87,821 | 33,908 | Shares | Defined | 2024-11-12 | |
| 2024-06-30 | $78,149 | 33,978 | Shares | Defined | 2024-08-09 | |
| 2024-03-31 | $102,662 | 32,082 | Shares | Defined | 2024-05-13 | |
| 2023-12-31 | $104,717 | 31,259 | Shares | Defined | 2024-02-13 | |
| 2023-09-30 | $105,161 | 30,749 | Shares | Defined | 2023-11-13 | |
| 2023-06-30 | $122,454 | 29,722 | Shares | Defined | 2023-08-11 | |
| 2023-03-31 | $257,030 | 592,237 | Shares | Defined | 2023-05-15 | |
| 2022-12-31 | $384,899 | 586,737 | Shares | Defined | 2023-02-13 | |
| 2022-09-30 | $502,084 | 583,819 | Shares | Defined | 2022-11-14 | |
| 2022-06-30 | $314,958 | 573,694 | Shares | Defined | 2022-08-12 | |
| 2022-03-31 | $647,555 | 583,383 | Shares | Defined | 2022-05-13 | |
| 2021-12-31 | $973,236 | 565,835 | Shares | Defined | 2022-02-11 | |
| 2021-09-30 | $1,506,326 | 490,660 | Shares | Defined | 2021-11-12 | |
| 2021-06-30 | $1,500,798 | 384,820 | Shares | Defined | 2021-08-13 | |
| 2021-03-31 | $1,358,615 | 486,959 | Shares | Defined | 2021-05-12 | |
| 2020-12-31 | $1,327,617 | 433,862 | Shares | Defined | 2021-02-12 | |
| 2020-09-30 | $2,146,063 | 352,971 | Shares | Defined | 2020-11-13 | |
| 2020-06-30 | $1,868,464 | 316,153 | Shares | Defined | 2020-08-13 | |
| 2020-03-31 | $855,955 | 323,002 | Shares | Defined | 2020-05-14 | |
| No filing history on record for this holder in this stock. | ||||||