Institutional Ownership
Sage Therapeutics Inc
CUSIP 78667J108COMSG7Q1 2026
13D / 13G Filings
61
Schedule 13D/13G on record
Beneficial Filers
19
Distinct reporting persons
Largest Stake
15.0%
Max % of class reported
Institutional Holders
1
13F filers (latest quarter)
Beneficial Owners — Schedule 13D / 13G
61 filings · latest Nov 14, 2025
| # | Filed | Reporting Person | Form | % of Class | Shares | Filing |
|---|---|---|---|---|---|---|
| 1 | Nov 14, 2025 | Madison Avenue Partners, LP | 13G/A | — | — | SEC |
| 2 | Aug 14, 2025 | Madison Avenue Partners LP | 13G/A | 9.7% | 6.08M | SEC |
| 3 | Jul 30, 2025 | Biogen Inc. | 13D/A | — | — | SEC |
| 4 | Jul 29, 2025 | The Vanguard Group | 13G/A | 5.2% | 3.27M | SEC |
| 5 | Jul 21, 2025 | Biogen Inc. | 13D/A | 10.0% | — | SEC |
| 6 | Apr 17, 2025 | Blackrock, Inc. | 13G/A | 7.2% | 4.43M | SEC |
| 7 | Apr 1, 2025 | Madison Avenue International LP | 13G | 8.0% | 4.92M | SEC |
| 8 | Mar 7, 2025 | Fmr LLC | 13G/A | 0.8% | 500.9K | SEC |
| 9 | Mar 6, 2025 | Morgan Stanley | 13G/A | 1.6% | 1.01M | SEC |
| 10 | Feb 14, 2025 | Rtw Investments, LP | 13G/A | 4.9% | 3.00M | SEC |
51 more beneficial-ownership filings on Premium
See the full Schedule 13D/13G history for Sage Therapeutics Inc.
Unlock full historyTop Institutional Holders (13F)
Largest reported positions · latest quarter
| # | Fund | Shares | Value |
|---|---|---|---|
| 1 | Huntington National Bank | 1 | $9 |