Syndax Pharmaceuticals Inc
SNDX- Exchange
- Nasdaq
- Industry
- Pharmaceutical Preparations
- SEC CIK
- 0001395937
In the last 90 days, Syndax Pharmaceuticals Inc insiders filed 0 open-market purchases and 1 sale; 242 institutions reported holding it in 13F filings for Q2 2026, worth $2.36B in total; no superinvestor holds it.
13F holders, Q4 2025
Institutional positions in Syndax Pharmaceuticals Inc as of Dec 31, 2025. Investment managers with $100 million or more in US stocks report their long positions on Form 13F within 45 days after each quarter ends. How 13F works
- Institutional holders
- 230
- +7 vs. Q3 2025
- Shares held
- 100.0M
- −831.4K (−0.8%) vs. Q3 2025
- Total value
- $2.10B
- +$549.0M (+35.4%) vs. Q3 2025
- New holders
- 34
- 83 more added
- Sold out
- 27
- 80 more reduced
4 institutions that held it in Q3 2025 haven't filed for Q4 2025 yet. Not filing isn't selling, so they aren't counted as sold out or in the changes above.
Compare with Q3 2025: new holders, sold out and not filed yet
Holders and value by quarter
Institutions reporting SNDX on Form 13F each quarter since Q1 2021, and the total value they reported. Values are as of each quarter end, so they also move with the share price.
| Quarter | Holders | Value |
|---|---|---|
| Q2 2026 | 242 | $2.36B |
| Q1 2026 | 247 | $2.32B |
| Q4 2025 | 230 | $2.10B |
| Q3 2025 | 227 | $1.56B |
| Q2 2025 | 217 | $952.6M |
| Q1 2025 | 219 | $1.24B |
| Q4 2024 | 216 | $1.30B |
| Q3 2024 | 210 | $1.71B |
| Q2 2024 | 196 | $1.79B |
| Q1 2024 | 189 | $2.15B |
| Q4 2023 | 177 | $1.92B |
| Q3 2023 | 175 | $1.03B |
| Q2 2023 | 166 | $1.48B |
| Q1 2023 | 163 | $1.54B |
| Q4 2022 | 160 | $1.82B |
| Q3 2022 | 139 | $1.44B |
| Q2 2022 | 121 | $1.06B |
| Q1 2022 | 136 | $948.4M |
| Q4 2021 | 132 | $1.15B |
| Q3 2021 | 123 | $938.0M |
| Q2 2021 | 115 | $861.9M |
| Q1 2021 | 130 | $1.08B |
Institutions, Q4 2025
Shares, value and share of portfolio for each institution holding Syndax Pharmaceuticals Inc; share changes are against Q3 2025.
| Institution | Shares | Value | % of portfolio | Change in shares | Action |
|---|---|---|---|---|---|
| Candriam Luxembourg S.C.A. | 925,332 | $19.4M | 0.10% | 00.0% | Unchanged |
| AQR Capital Management LLC | 925,974 | $19.5M | 0.01% | +367,898+65.9% | Added |
| Algert Global LLC | 928,088 | $19.5M | 0.30% | −2,678−0.3% | Reduced |
| Morgan Stanley | 1,075,501 | $22.6M | 0.00% | −123,795−10.3% | Reduced |
| Bank of New York Mellon Corp | 1,094,151 | $23.0M | 0.00% | +41,816+4.0% | Added |
| Two Sigma Investments, LP | 1,146,936 | $24.1M | 0.04% | +434,277+60.9% | Added |
| Catalio Capital Management, LP | 1,196,807 | $25.1M | 4.44% | −417,910−25.9% | Reduced |
| D. E. Shaw & Co., Inc. | 1,219,609 | $25.6M | 0.02% | +142,024+13.2% | Added |
| Eventide Asset Management, LLC | 1,238,196 | $26.0M | 0.41% | +249,710+25.3% | Added |
| Woodline Partners LP | 1,250,668 | $26.3M | 0.10% | −299,852−19.3% | Reduced |
| Aisling Capital Management LP | 1,316,806 | $27.7M | 5.78% | 00.0% | Unchanged |
| MPM Oncology Impact Management LP | 1,337,702 | $28.1M | 3.22% | −37,972−2.8% | Reduced |
| StemPoint Capital LP | 1,339,379 | $28.1M | 4.83% | −26,826−2.0% | Reduced |
| BNP PARIBAS ASSET MANAGEMENT Holding S.A. | 1,375,681 | $28.9M | 0.03% | +139,604+11.3% | Added |
| Nuveen, LLC | 1,483,002 | $31.2M | 0.01% | +7,204+0.5% | Added |
| Ensign Peak Advisors, Inc | 1,598,544 | $33.6M | 0.06% | +789,480+97.6% | Added |
| Elmind Capital, LP | 1,855,000 | $39.0M | 11.50% | +1,855,000 | New |
| Geode Capital Management, LLC | 2,090,932 | $43.9M | 0.00% | −3990.0% | Reduced |
| Soleus Capital Management, L.P. | 2,247,110 | $47.2M | 2.00% | +235,000+11.7% | Added |
| Hood River Capital Management LLC | 2,316,553 | $48.7M | 0.53% | +2,316,553 | New |
| Kingdon Capital Management, L.L.C. | 2,350,000 | $49.4M | 7.56% | −150,000−6.0% | Reduced |
| Franklin Resources Inc | 2,421,666 | $50.9M | 0.01% | +31,105+1.3% | Added |
| Eversept Partners, LP | 3,314,408 | $69.6M | 3.90% | −152,906−4.4% | Reduced |
| State Street Corp | 4,596,552 | $96.6M | 0.00% | +743,003+19.3% | Added |
| Bank of America Corp | 4,710,746 | $99.0M | 0.01% | +1,012,993+27.4% | Added |
| Point72 Asset Management, L.P. | 4,882,053 | $102.6M | 0.16% | +627,006+14.7% | Added |
| Goldman Sachs Group Inc | 5,695,375 | $119.7M | 0.02% | +208,941+3.8% | Added |
| Vanguard Group Inc | 6,230,334 | $130.9M | 0.00% | +1,091,717+21.2% | Added |
| Kynam Capital Management, LP | 8,050,959 | $169.2M | 11.01% | −469,041−5.5% | Reduced |
| BlackRock, Inc. | 8,239,002 | $173.1M | 0.00% | −386,242−4.5% | Reduced |
| Adage Capital Partners GP, L.L.C. | 0 | $0 | 0.00% | −3,311,963−100.0% | Sold out |
| Zimmer Partners, LP | 0 | $0 | 0.00% | −383,100−100.0% | Sold out |
| Ikarian Capital, LLC | 0 | $0 | 0.00% | −333,733−100.0% | Sold out |
| Boothbay Fund Management, LLC | 0 | $0 | 0.00% | −261,933−100.0% | Sold out |
| Marshall Wace, LLP | 0 | $0 | 0.00% | −233,973−100.0% | Sold out |
| Tang Capital Management LLC | 0 | $0 | 0.00% | −200,000−100.0% | Sold out |
| Macquarie Group Ltd | 0 | $0 | 0.00% | −180,000−100.0% | Sold out |
| Keybank National Association | 0 | $0 | 0.00% | −150,000−100.0% | Sold out |
| HRT Financial LP | 0 | $0 | 0.00% | −148,139−100.0% | Sold out |
| Schroder Investment Management Group | 0 | $0 | 0.00% | −123,404−100.0% | Sold out |
| Exome Asset Management LLC | 0 | $0 | 0.00% | −117,783−100.0% | Sold out |
| Gotham Asset Management, LLC | 0 | $0 | 0.00% | −48,246−100.0% | Sold out |
| Stonepine Capital Management, LLC | 0 | $0 | 0.00% | −37,200−100.0% | Sold out |
| Prelude Capital Management, LLC | 0 | $0 | 0.00% | −32,739−100.0% | Sold out |
| Phoenix Holdings Ltd. | 0 | $0 | 0.00% | −31,740−100.0% | Sold out |
| Scientech Research LLC | 0 | $0 | 0.00% | −30,875−100.0% | Sold out |
| Cinctive Capital Management LP | 0 | $0 | 0.00% | −30,440−100.0% | Sold out |
| Concentric Capital Strategies, LP | 0 | $0 | 0.00% | −21,944−100.0% | Sold out |
| Allianz Asset Management GmbH | 0 | $0 | 0.00% | −15,200−100.0% | Sold out |
| Commonwealth Equity Services, LLC | 0 | $0 | 0.00% | −10,906−100.0% | Sold out |
| Prudential Financial Inc | 0 | $0 | 0.00% | −10,395−100.0% | Sold out |
| Clear Street Markets LLC | 0 | $0 | 0.00% | −688−100.0% | Sold out |
| Principal Securities, Inc. | 0 | $0 | 0.00% | −400−100.0% | Sold out |
| Washington Trust Advisors, Inc. | 0 | $0 | 0.00% | −209−100.0% | Sold out |
| Crowley Wealth Management, Inc. | 0 | $0 | 0.00% | −200−100.0% | Sold out |
| Caitong International Asset Management Co., Ltd | 0 | $0 | 0.00% | −47−100.0% | Sold out |
| Parkside Financial Bank & Trust | 0 | $0 | 0.00% | −35−100.0% | Sold out |
| Cubist Systematic Strategies, LLC | – | – | – | – | Not filed |
| Point72 Hong Kong Ltd | – | – | – | – | Not filed |
| Point72 (DIFC) Ltd | – | – | – | – | Not filed |
| Corton Capital Inc. | – | – | – | – | Not filed |