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, Q1 2025
Institutional positions in Syndax Pharmaceuticals Inc as of Mar 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
- 219
- +6 vs. Q4 2024
- Shares held
- 101.0M
- +3.36M (+3.4%) vs. Q4 2024
- Total value
- $1.24B
- −$49.9M (−3.9%) vs. Q4 2024
- New holders
- 32
- 87 more added
- Sold out
- 26
- 62 more reduced
3 institutions that held it in Q4 2024 haven't filed for Q1 2025 yet. Not filing isn't selling, so they aren't counted as sold out or in the changes above.
Compare with Q4 2024: 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, Q1 2025
Shares, value and share of portfolio for each institution holding Syndax Pharmaceuticals Inc; share changes are against Q4 2024.
| Institution | Shares | Value | % of portfolio | Change in shares | Action |
|---|---|---|---|---|---|
| Covestor Ltd | 9 | $0 | 0.00% | +4+80.0% | Added |
| IFP Advisors, Inc | 0 | $49 | 0.00% | 0 | Unchanged |
| WPG Advisers, LLC | 11 | $135 | 0.00% | +11 | New |
| Skopos Labs, Inc. | 11 | $136 | 0.00% | −579−98.1% | Reduced |
| Boston Private Wealth LLC | 27 | $332 | 0.00% | +27 | New |
| Capital A Wealth Management, LLC | 30 | $369 | 0.00% | 00.0% | Unchanged |
| Stephens Consulting, LLC | 30 | $369 | 0.00% | +30 | New |
| Allworth Financial LP | 34 | $453 | 0.00% | −125−78.6% | Reduced |
| Parkside Financial Bank & Trust | 40 | $492 | 0.00% | +40 | New |
| Massmutual Trust Co FSB | 46 | $565 | 0.00% | −19−29.2% | Reduced |
| Coldstream Capital Management Inc | 47 | $579 | 0.00% | +47 | New |
| Farther Finance Advisors, LLC | 71 | $853 | 0.00% | −86−54.8% | Reduced |
| Geneos Wealth Management Inc. | 75 | $921 | 0.00% | 00.0% | Unchanged |
| GAMMA Investing LLC | 79 | $971 | 0.00% | −18−18.6% | Reduced |
| Avion Wealth | 100 | $1.00K | 0.00% | 00.0% | Unchanged |
| Bessemer Group Inc | 49 | $1.00K | 0.00% | +49 | New |
| Sterling Capital Management LLC | 84 | $1.03K | 0.00% | 00.0% | Unchanged |
| True Wealth Design, LLC | 97 | $1.19K | 0.00% | +90+1,285.7% | Added |
| Rothschild Investment LLC | 130 | $1.60K | 0.00% | +95+271.4% | Added |
| Quadrant Capital Group LLC | 194 | $2.38K | 0.00% | −824−80.9% | Reduced |
| Crowley Wealth Management, Inc. | 200 | $2.46K | 0.00% | 00.0% | Unchanged |
| SBI Securities Co., Ltd. | 201 | $2.47K | 0.00% | −1,299−86.6% | Reduced |
| Caitong International Asset Management Co., Ltd | 209 | $2.57K | 0.00% | −8,553−97.6% | Reduced |
| Washington Trust Advisors, Inc. | 209 | $2.57K | 0.00% | +102+95.3% | Added |
| Aster Capital Management (DIFC) Ltd | 167 | $2.61K | 0.00% | +167 | New |
| Steward Partners Investment Advisory, LLC | 231 | $2.84K | 0.00% | 00.0% | Unchanged |
| EverSource Wealth Advisors, LLC | 248 | $3.05K | 0.00% | +185+293.7% | Added |
| Huntington National Bank | 253 | $3.11K | 0.00% | 00.0% | Unchanged |
| Private Wealth Management Group, LLC | 266 | $3.27K | 0.00% | +23+9.5% | Added |
| Optiver Holding B.V. | 271 | $3.33K | 0.00% | +271 | New |
| Lindbrook Capital, LLC | 276 | $3.39K | 0.00% | −268−49.3% | Reduced |
| Daiwa Securities Group Inc. | 314 | $4.00K | 0.00% | 00.0% | Unchanged |
| Parallel Advisors, LLC | 332 | $4.08K | 0.00% | −29−8.0% | Reduced |
| Cubist Systematic Strategies, LLC | 400 | $4.91K | 0.00% | −357,671−99.9% | Reduced |
| Smartleaf Asset Management LLC | 632 | $8.33K | 0.00% | +15+2.4% | Added |
| Truvestments Capital LLC | 826 | $10.1K | 0.00% | −89−9.7% | Reduced |
| Nisa Investment Advisors, LLC | 879 | $10.8K | 0.00% | +61+7.5% | Added |
| MAI Capital Management | 1,000 | $12.3K | 0.00% | 00.0% | Unchanged |
| Larson Financial Group LLC | 1,024 | $12.6K | 0.00% | +24+2.4% | Added |
| Comerica Bank | 1,062 | $13.0K | 0.00% | +99+10.3% | Added |
| Signaturefd, LLC | 1,394 | $17.1K | 0.00% | −684−32.9% | Reduced |
| MeadowBrook Investment Advisors LLC | 1,500 | $18.4K | 0.02% | 00.0% | Unchanged |
| Simplex Trading, LLC | 1,657 | $20.0K | 0.00% | +1,657 | New |
| Royal Bank of Canada | 1,921 | $24.0K | 0.00% | −348−15.3% | Reduced |
| Quarry LP | 2,000 | $24.6K | 0.01% | +2,000 | New |
| The PNC Financial Services Group, Inc. | 2,144 | $26.3K | 0.00% | +233+12.2% | Added |
| GF Fund Management Co. Ltd. | 2,186 | $26.9K | 0.00% | +394+22.0% | Added |
| Advisor Group Holdings, Inc. | 2,406 | $29.6K | 0.00% | +500+26.2% | Added |
| Amalgamated Bank | 2,775 | $34.0K | 0.00% | +9+0.3% | Added |
| Mirae Asset Global Investments Co., Ltd. | 2,856 | $37.6K | 0.00% | +12+0.4% | Added |
| Tower Research Capital LLC (TRC) | 4,172 | $51.3K | 0.00% | −14,018−77.1% | Reduced |
| US Bancorp | 5,055 | $62.1K | 0.00% | −300−5.6% | Reduced |
| KBC Group NV | 5,180 | $64.0K | 0.00% | −1,774−25.5% | Reduced |
| Cape Investment Advisory, Inc. | 6,427 | $79.0K | 0.03% | 00.0% | Unchanged |
| Ameritas Investment Partners, Inc. | 7,858 | $96.5K | 0.00% | 00.0% | Unchanged |
| Mesirow Financial Investment Management, Inc. | 10,242 | $115.1K | 0.00% | 00.0% | Unchanged |
| Exchange Traded Concepts, LLC | 9,769 | $120.0K | 0.00% | +568+6.2% | Added |
| Farallon Capital Management, L.L.C. | 10,000 | $122.8K | 0.00% | 00.0% | Unchanged |
| Victory Capital Management Inc | 10,148 | $124.7K | 0.00% | +119+1.2% | Added |
| Magnetar Financial LLC | 10,717 | $131.7K | 0.00% | +10,717 | New |
| Virtus Investment Advisers, Inc. | 12,192 | $149.8K | 0.04% | +12,192 | New |
| Optimize Financial Inc | 12,227 | $150.2K | 0.06% | +718+6.2% | Added |
| Guggenheim Capital LLC | 12,490 | $153.5K | 0.00% | +609+5.1% | Added |
| Wealth Enhancement Advisory Services, LLC | 13,172 | $161.8K | 0.00% | +13,172 | New |
| Zurcher Kantonalbank (Zurich Cantonalbank) | 13,260 | $162.9K | 0.00% | −4,731−26.3% | Reduced |
| Public Employees Retirement Association of Colorado | 13,746 | $169.0K | 0.00% | 00.0% | Unchanged |
| Sanctuary Advisors, LLC | 13,779 | $169.3K | 0.00% | −11,399−45.3% | Reduced |
| Universal- Beteiligungs- und Servicegesellschaft mbH | 14,560 | $178.9K | 0.00% | +14,560 | New |
| E Fund Management Co., Ltd. | 16,031 | $196.9K | 0.01% | +3,428+27.2% | Added |
| KLP Kapitalforvaltning AS | 16,600 | $203.9K | 0.00% | 00.0% | Unchanged |
| Freestone Grove Partners LP | 16,964 | $208.4K | 0.00% | +16,964 | New |
| Sigma Planning Corp | 16,985 | $208.7K | 0.01% | −800−4.5% | Reduced |
| China Universal Asset Management Co., Ltd. | 17,121 | $210.3K | 0.02% | −978−5.4% | Reduced |
| Police & Firemen's Retirement System of New Jersey | 17,872 | $219.6K | 0.00% | 00.0% | Unchanged |
| CIBC World Markets Corp | 18,233 | $224.0K | 0.00% | +18,233 | New |
| State Board of Administration of Florida Retirement System | 18,968 | $233.0K | 0.00% | 00.0% | Unchanged |
| Teacher Retirement System of Texas | 20,674 | $254.0K | 0.00% | −2,095−9.2% | Reduced |
| Great West Life Assurance Co | 20,662 | $254.0K | 0.00% | 00.0% | Unchanged |
| Caxton Associates LLP | 20,945 | $257.3K | 0.01% | +20,945 | New |
| NEOS Investment Management LLC | 21,169 | $260.1K | 0.00% | +21,169 | New |
| Tema ETFs LLC | 21,169 | $260.1K | 0.08% | +21,169 | New |
| ProShare Advisors LLC | 21,637 | $265.8K | 0.00% | −5,546−20.4% | Reduced |
| Arizona State Retirement System | 22,007 | $270.4K | 0.00% | −220−1.0% | Reduced |
| DnB Asset Management AS | 22,378 | $274.9K | 0.00% | −565−2.5% | Reduced |
| CWM, LLC | 23,374 | $287.0K | 0.00% | +20,763+795.2% | Added |
| Cerity Partners LLC | 24,048 | $295.4K | 0.00% | +24,048 | New |
| Aigen Investment Management, LP | 24,158 | $296.8K | 0.05% | +24,158 | New |
| SEI Investments Co | 24,973 | $307.0K | 0.00% | +9,894+65.6% | Added |
| New York State Common Retirement Fund | 25,384 | $311.8K | 0.00% | 00.0% | Unchanged |
| CWM Advisors, LLC | 27,898 | $342.7K | 0.04% | −2,894−9.4% | Reduced |
| DekaBank Deutsche Girozentrale | 28,300 | $361.0K | 0.00% | 00.0% | Unchanged |
| Clearline Capital LP | 34,177 | $419.9K | 0.04% | 00.0% | Unchanged |
| Ameriprise Financial Inc | 34,228 | $420.5K | 0.00% | +2,246+7.0% | Added |
| Verition Fund Management LLC | 35,037 | $430.4K | 0.00% | +35,037 | New |
| Profund Advisors LLC | 35,481 | $435.9K | 0.02% | +933+2.7% | Added |
| Wellington Management Group LLP | 35,962 | $441.8K | 0.00% | −4,198,493−99.2% | Reduced |
| Dark Forest Capital Management LP | 39,209 | $481.7K | 0.02% | +39,209 | New |
| Quest Partners LLC | 39,317 | $483.0K | 0.05% | +15,694+66.4% | Added |
| Corebridge Financial, Inc. | 40,255 | $494.5K | 0.00% | −597−1.5% | Reduced |
| Creative Planning | 41,526 | $510.1K | 0.00% | +27,051+186.9% | Added |