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CYCLERION THERP (CYCN)
NASDAQ
$4.05+$0.15 (+3.98%)
Price as of Aug 21, 2026 7:57 PM EDT- $18.2MMarket Cap
- 56.22%1-Year Change
- BiotechnologyIndustry
CYCLERION THERP (CYCN)
$4.05+$0.15 (+3.98%)
Top Holders
Institutional
Mutual Funds
Holder | Ownership %
| Shares Held | Change (Shares, %) | Report Date |
|---|---|---|---|---|
PURA VIDA INVESTMENTS, LLC | 16.59% | 776,497 | +4,800 (+0.62%) | Mar 31, 2022 |
IKARIAN CAPITAL, LLC | 11.27% | 527,462 | +24,835 (+4.71%) | Mar 31, 2022 |
TWO SIGMA ADVISERS, LLC | 11.14% | 521,400 | -126,300 (-24.22%) | Dec 31, 2021 |
EVERSEPT PARTNERS, LLC | 7.95% | 371,955 | 0 (0.00%) | Dec 31, 2021 |
EVERSEPT PARTNERS, LP | 7.95% | 371,955 | 0 (0.00%) | Mar 31, 2022 |
TRUSTCORE FINANCIAL SERVICES, LLC | 6.25% | 292,645 | 0 (0.00%) | Dec 31, 2022 |
TYNDALL CAPITAL PARTNERS L P | 3.32% | 155,187 | -9,590 (-6.18%) | Jun 30, 2025 |
Holder | Ownership %
| Shares Held | Change (Shares, %) | Report Date |
|---|---|---|---|---|
VANGUARD INDEX FUNDS | 34.35% | 1.6M | 0 (0.00%) | Mar 31, 2026 |
VANGUARD SPECIALIZED FUNDS | 21.14% | 989,481 | 0 (0.00%) | Apr 30, 2026 |
FIDELITY SELECT PORTFOLIOS | 17.89% | 837,285 | 0 (0.00%) | May 31, 2026 |
FIDELITY MT VERNON STREET TRUST | 16.99% | 795,260 | 0 (0.00%) | May 31, 2026 |
T. Rowe Price Health Sciences Fund, Inc. | 12.39% | 579,827 | 0 (0.00%) | Mar 31, 2026 |
FIDELITY CONCORD STREET TRUST | 7.30% | 341,933 | 0 (0.00%) | May 31, 2026 |
FIDELITY COMMONWEALTH TRUST | 4.86% | 227,375 | 0 (0.00%) | May 31, 2026 |
Current Ownership Distribution
- Institutions148.5M (67.12%)
- Mutual Funds70.7M (31.94%)
- Insiders2.1M (0.94%)
- Other0 (0.00%)
Insider Transactions
- 0.94% (2.1M)Current InsiderOwnership (%, shares)
- 0Number of InsiderBuying (last 12 months)
- $0.00Amount of InsiderBuying (last 12 months)
- 0Number of InsiderSelling (last 12 months)
- $0.00Amount of InsiderSelling (last 12 months)
Insider Name & Title | Type | Date
| Transaction Value | Shares | Share Price | Shares After Transactions |
|---|---|---|---|---|---|---|
CHICKO RHONDA M. Chief Financial Officer | Exempt | Aug 14, 2026 | $0.00 | 25,000 | $0.00 | 0 |
Graul Regina Margaret See Remarks | Exempt | Aug 14, 2026 | $0.00 | 55,849 | $0.00 | 0 |
CHICKO RHONDA M. Chief Financial Officer | Exempt | Aug 14, 2026 | $58,875.00 | 25,000 | $2.35 | 25,018 |
Graul Regina Margaret See Remarks | Exempt | Aug 14, 2026 | $184,301.70 | 55,849 | $3.30 | 156,152 |
Graul Regina Margaret See Remarks | In Kind | Aug 14, 2026 | $184,303.91 | 48,629 | $3.79 | 107,523 |
CHICKO RHONDA M. Chief Financial Officer | Award | Aug 07, 2025 | $0.00 | 25,000 | $0.00 | 25,000 |
Higgins Michael J | Award | Mar 25, 2025 | $24,997.50 | 9,090 | $2.75 | 30,740 |
Hecht Peter M | Award | Mar 25, 2025 | $499,999.50 | 181,818 | $2.75 | 559,203 |
Slate Path Capital LP | Sell | Nov 21, 2024 | $555,107.67 | 357,880 | $1.55 | 0 |