Cyclerion Therapeutics, Inc. CYCN
3.36 USD -20.16 (-85.71%)
At closeOct 14, 2026, 4:00 PM EDT
3.32 -0.04 -1.19%
After hours · Oct 14, 4:00 PM ET
23.52 Day range 23.52
1.03 52-week range 8.48
- YTD
- 0.00%
- 1 year
- 0.00%
Held by funds
5 US ETFs and mutual funds hold CYCN · largest positions
Ownership
Held by insiders 21.90%
Held by institutions 40.41%
Float held by institutions 51.74%
Institutions 17
Top institutional holders
| Holder | % held | Shares | Value | Reported |
|---|---|---|---|---|
| Slate Path Capital, LP | 13.21% | 357,880 | 1.15M | Sep 29, 2024 |
| MFN Partners Management, LP | 6.25% | 169,460 | 542.27K | Sep 29, 2024 |
| Tyndall Capital Partners LP | 6.08% | 164,777 | 527.29K | Sep 29, 2024 |
| FMR, LLC | 5.82% | 157,636 | 504.44K | Sep 29, 2024 |
| Siren, L.L.C. | 4.29% | 116,155 | 371.70K | Sep 29, 2024 |
| Geode Capital Management, LLC | 1.25% | 33,908 | 108.50K | Sep 29, 2024 |
Top mutual fund holders
| Holder | % held | Shares | Value | Reported |
|---|---|---|---|---|
| Vanguard Extended Market Index Fund | 0.87% | 23,490 | 75.17K | Sep 29, 2024 |
| Fidelity Growth Company Fund | 0.76% | 20,564 | 65.80K | Oct 30, 2024 |
| Fidelity NASDAQ Composite Index ETF | 0.52% | 14,078 | 45.05K | Oct 30, 2024 |
| Fidelity Extended Market Index Fund | 0.40% | 10,826 | 34.64K | Oct 30, 2024 |
| Fidelity Growth Company K6 Fund | 0.34% | 9,220 | 29.50K | Oct 30, 2024 |
| Fidelity Series Total Market Index Fund | 0.09% | 2,325 | 7.44K | Oct 30, 2024 |
Insiders
| Insider | Relation | Latest transaction | Date | Shares held |
|---|---|---|---|---|
| DESOUZA ERROL B | Director | Stock Award(Grant) | Nov 29, 2023 | 30,000 |
| GRAUL REGINA MARGARET | President | Stock Award(Grant) | Dec 28, 2023 | 100,303 |
| HECHT PETER M | Director and Beneficial Owner of more than 10% of a Class of Security | Stock Award(Grant) | Dec 28, 2023 | 377,457 |
| HYMAN STEVEN | Director | Stock Award(Grant) | Nov 29, 2023 | 20,000 |
| MCGUIRE TERRANCE G | Director | Stock Award(Grant) | Nov 29, 2023 | 42,010 |
| SLATE PATH CAPITAL LP | Beneficial Owner of more than 10% of a Class of Security | Sale | Nov 20, 2024 | 0 |