Sage Therapeutics, Inc.
SAGEDelisted Jul 31, 2025- Industry
- Pharmaceutical Preparations
- SEC CIK
- 0001597553
Sage Therapeutics, Inc. was delisted on Jul 31, 2025; its insiders filed their last Form 4 on Jul 31, 2025; 192 institutions reported holding it in 13F filings for Q2 2025, worth $445.6M in total; no superinvestor held it.
Holders of 5% or more of SAGE
Holders whose latest Schedule 13D or 13G filing reports 5% or more of Sage Therapeutics, Inc., largest stake first. The change is against the holder's previous filing.
| Holder | Latest form | Stake | Change | First filed | Latest filing | Filing |
|---|---|---|---|---|---|---|
| BlackRock, Inc. | 13G/A | 7.20%4.43M shares | – | Apr 17, 20251 filing | Apr 17, 2025 | SEC |
| Vanguard Group Inc | 13G/A | 5.21%3.27M shares | −2.69 ppfrom 7.90% | Jan 31, 20252 filings | Jul 29, 2025 | SEC |
Stakes are as of each holder's latest filing. Holders whose last filing was in the old format (before December 18, 2024) have no stake on record and are not listed, and after an acquisition or delisting holders usually stop filing.
13D and 13G filings
15 Schedule 13D and 13G filings on Sage Therapeutics, Inc., newest first, including old-format filings without a stake.
| Filed (ET) | Filer | Form | Stake | Change | Event date | Filing |
|---|---|---|---|---|---|---|
| Nov 14, 202510:15 AM ET | Madison Avenue Partners, LPand 5 others | 13G/A | 0.00%0 shares | −9.70 ppfrom 9.70%Below 5% | Sep 30, 2025 | SEC |
| Aug 14, 20259:22 AM ET | Madison Avenue Partners, LPand 5 others | 13G/A | 9.70%6.08M shares | +1.70 ppfrom 8.00% | Jun 30, 2025 | SEC |
| Jul 30, 20255:56 PM ET | Biogen Inc.and 1 other | 13D/A | 0.00%0 shares | −10.00 ppfrom 10.00%Below 5% | Jul 30, 2025 | SEC |
| Jul 29, 20252:32 PM ET | Vanguard Group Inc | 13G/A | 5.21%3.27M shares | −2.69 ppfrom 7.90% | Jun 30, 2025 | SEC |
| Jul 21, 20259:18 PM ET | Biogen Inc.and 1 other | 13D/A | 10.00%6.24M shares | −0.20 ppfrom 10.20% | Jul 21, 2025 | SEC |
| Apr 17, 20259:35 AM ET | BlackRock, Inc. | 13G/A | 7.20%4.43M shares | – | Mar 31, 2025 | SEC |
| Apr 1, 20255:35 PM ET | Madison Avenue Partners, LPand 5 others | 13G | 8.00%4.92M shares | New | Mar 25, 2025 | SEC |
| Mar 7, 202510:01 AM ET | FMR LLCand 1 other | 13G/A | 0.80%500.9K shares | −5.90 ppfrom 6.70%Below 5% | Feb 28, 2025 | SEC |
| Mar 6, 20254:28 PM ET | Morgan Stanleyand 1 other | 13G/A | 1.60%1.01M shares | −5.80 ppfrom 7.40%Below 5% | Feb 28, 2025 | SEC |
| Feb 14, 20259:00 AM ET | RTW Investments, LPand 1 other | 13G/A | 4.90%3.00M shares | –Below 5% | Dec 31, 2024 | SEC |
| Feb 12, 20259:30 AM ET | FMR LLCand 1 other | 13G/A | 6.70%4.12M shares | – | Dec 31, 2024 | SEC |
| Feb 5, 202510:41 AM ET | Morgan Stanleyand 1 other | 13G | 7.40%4.54M shares | New | Dec 31, 2024 | SEC |
| Jan 31, 20259:55 AM ET | Vanguard Group Inc | 13G/A | 7.90%4.84M shares | – | Dec 31, 2024 | SEC |
| Jan 17, 20256:02 AM ET | BB Biotech AGand 1 other | 13G/A | 1.90%1.18M shares | –Below 5% | Jan 13, 2025 | SEC |
| Jan 10, 20255:34 PM ET | Biogen Inc.and 1 other | 13D | 10.20%6.24M shares | New | Jan 10, 2025 | SEC |
Form 144: proposed insider sales
Notices from officers, directors and other affiliates planning to sell Sage Therapeutics, Inc. shares.
No Form 144 notices for Sage Therapeutics, Inc. are on file.