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, Q2 2025
Institutional positions in Syndax Pharmaceuticals Inc as of Jun 30, 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
- 217
- −1 vs. Q1 2025
- Shares held
- 101.7M
- +770.2K (+0.8%) vs. Q1 2025
- Total value
- $952.6M
- −$287.7M (−23.2%) vs. Q1 2025
- New holders
- 31
- 86 more added
- Sold out
- 32
- 66 more reduced
1 institution that held it in Q1 2025 haven't filed for Q2 2025 yet. Not filing isn't selling, so they aren't counted as sold out or in the changes above.
Compare with Q1 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, Q2 2025
Shares, value and share of portfolio for each institution holding Syndax Pharmaceuticals Inc; share changes are against Q1 2025.
| Institution | Shares | Value | % of portfolio | Change in shares | Action |
|---|---|---|---|---|---|
| Millennium Management LLC | 1,598,613 | $15.0M | 0.01% | +1,169,961+272.9% | Added |
| Qube Research & Technologies Ltd | 1,665,916 | $15.6M | 0.02% | +831,067+99.5% | Added |
| Woodline Partners LP | 1,892,751 | $17.7M | 0.09% | +948+0.1% | Added |
| Assenagon Asset Management S.A. | 2,039,987 | $19.1M | 0.03% | 00.0% | Unchanged |
| Geode Capital Management, LLC | 2,049,350 | $19.2M | 0.00% | +26,365+1.3% | Added |
| Kingdon Capital Management, L.L.C. | 2,100,000 | $19.7M | 3.80% | +100,000+5.0% | Added |
| Catalio Capital Management, LP | 2,104,512 | $19.7M | 4.13% | +370,811+21.4% | Added |
| Point72 Asset Management, L.P. | 2,127,467 | $19.9M | 0.05% | −1,881,233−46.9% | Reduced |
| Franklin Resources Inc | 2,359,677 | $22.1M | 0.01% | +298,272+14.5% | Added |
| StemPoint Capital LP | 2,372,634 | $22.2M | 7.15% | +774,040+48.4% | Added |
| State Street Corp | 3,442,752 | $32.2M | 0.00% | −528,980−13.3% | Reduced |
| Bank of America Corp | 3,838,872 | $36.0M | 0.00% | +967,873+33.7% | Added |
| Eversept Partners, LP | 4,065,355 | $38.1M | 3.84% | −146,915−3.5% | Reduced |
| Vanguard Group Inc | 5,033,934 | $47.1M | 0.00% | +162,869+3.3% | Added |
| Goldman Sachs Group Inc | 5,797,195 | $54.3M | 0.01% | +1,875,654+47.8% | Added |
| Kynam Capital Management, LP | 8,520,000 | $79.8M | 8.59% | 00.0% | Unchanged |
| BlackRock, Inc. | 10,456,907 | $97.9M | 0.00% | +1,914,656+22.4% | Added |
| PFM Health Sciences, LP | 0 | $0 | 0.00% | −926,424−100.0% | Sold out |
| Octagon Capital Advisors LP | 0 | $0 | 0.00% | −904,000−100.0% | Sold out |
| Trexquant Investment LP | 0 | $0 | 0.00% | −386,263−100.0% | Sold out |
| ExodusPoint Capital Management, LP | 0 | $0 | 0.00% | −314,407−100.0% | Sold out |
| Point72 Europe (London) LLP | 0 | $0 | 0.00% | −184,683−100.0% | Sold out |
| Propel Bio Management, LLC | 0 | $0 | 0.00% | −183,259−100.0% | Sold out |
| Thornburg Investment Management Inc | 0 | $0 | 0.00% | −130,746−100.0% | Sold out |
| Axiom Investors LLC | 0 | $0 | 0.00% | −52,204−100.0% | Sold out |
| Corebridge Financial, Inc. | 0 | $0 | 0.00% | −40,255−100.0% | Sold out |
| Aigen Investment Management, LP | 0 | $0 | 0.00% | −24,158−100.0% | Sold out |
| Cerity Partners LLC | 0 | $0 | 0.00% | −24,048−100.0% | Sold out |
| Caxton Associates LLP | 0 | $0 | 0.00% | −20,945−100.0% | Sold out |
| Sigma Planning Corp | 0 | $0 | 0.00% | −16,985−100.0% | Sold out |
| Universal- Beteiligungs- und Servicegesellschaft mbH | 0 | $0 | 0.00% | −14,560−100.0% | Sold out |
| Sanctuary Advisors, LLC | 0 | $0 | 0.00% | −13,779−100.0% | Sold out |
| Wealth Enhancement Advisory Services, LLC | 0 | $0 | 0.00% | −13,172−100.0% | Sold out |
| Magnetar Financial LLC | 0 | $0 | 0.00% | −10,717−100.0% | Sold out |
| Victory Capital Management Inc | 0 | $0 | 0.00% | −10,148−100.0% | Sold out |
| Exchange Traded Concepts, LLC | 0 | $0 | 0.00% | −9,769−100.0% | Sold out |
| Mesirow Financial Investment Management, Inc. | 0 | $0 | 0.00% | −10,242−100.0% | Sold out |
| MeadowBrook Investment Advisors LLC | 0 | $0 | 0.00% | −1,500−100.0% | Sold out |
| Private Wealth Management Group, LLC | 0 | $0 | 0.00% | −266−100.0% | Sold out |
| Huntington National Bank | 0 | $0 | 0.00% | −253−100.0% | Sold out |
| Aster Capital Management (DIFC) Ltd | 0 | $0 | 0.00% | −167−100.0% | Sold out |
| Quadrant Capital Group LLC | 0 | $0 | 0.00% | −194−100.0% | Sold out |
| Geneos Wealth Management Inc. | 0 | $0 | 0.00% | −75−100.0% | Sold out |
| Coldstream Capital Management Inc | 0 | $0 | 0.00% | −47−100.0% | Sold out |
| Parkside Financial Bank & Trust | 0 | $0 | 0.00% | −40−100.0% | Sold out |
| Stephens Consulting, LLC | 0 | $0 | 0.00% | −30−100.0% | Sold out |
| Capital A Wealth Management, LLC | 0 | $0 | 0.00% | −30−100.0% | Sold out |
| Boston Private Wealth LLC | 0 | $0 | 0.00% | −27−100.0% | Sold out |
| WPG Advisers, LLC | 0 | $0 | 0.00% | −11−100.0% | Sold out |
| Lindbrook Capital, LLC | – | – | – | – | Not filed |