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 |
|---|---|---|---|---|---|
| Price T Rowe Associates Inc | 66,114 | $813.0K | 0.00% | +9,095+16.0% | Added |
| State of Wisconsin Investment Board | 64,107 | $787.6K | 0.00% | +10,978+20.7% | Added |
| XTX Topco Ltd | 63,726 | $782.9K | 0.04% | +63,726 | New |
| Schroder Investment Management Group | 57,565 | $758.7K | 0.00% | 00.0% | Unchanged |
| Brevan Howard Capital Management LP | 60,337 | $740.9K | 0.02% | +46,266+328.8% | Added |
| UBS Oconnor LLC | 59,438 | $730.2K | 0.02% | −30,794−34.1% | Reduced |
| Ieq Capital, LLC | 59,210 | $727.4K | 0.01% | +59,210 | New |
| Mirae Asset Global ETFs Holdings Ltd. | 56,842 | $705.5K | 0.00% | +3,094+5.8% | Added |
| Atom Investors LP | 57,274 | $703.6K | 0.09% | −5,521−8.8% | Reduced |
| Intech Investment Management LLC | 55,664 | $683.8K | 0.01% | +23,146+71.2% | Added |
| Lion Point Capital, LP | 55,000 | $675.7K | 4.31% | 00.0% | Unchanged |
| Axiom Investors LLC | 52,204 | $641.3K | 0.01% | −1,020−1.9% | Reduced |
| HSBC Holdings PLC | 50,275 | $612.9K | 0.00% | −472−0.9% | Reduced |
| MetLife Investment Management | 49,732 | $611.0K | 0.00% | −783−1.6% | Reduced |
| Schonfeld Strategic Advisors LLC | 46,395 | $570.0K | 0.00% | +25,738+124.6% | Added |
| Voya Investment Management LLC | 46,189 | $567.4K | 0.00% | −2,642−5.4% | Reduced |
| Wells Fargo & Company | 42,960 | $527.8K | 0.00% | +843+2.0% | Added |
| Janus Henderson Group PLC | 39,335 | $518.2K | 0.00% | 00.0% | Unchanged |
| Manufacturers Life Insurance Company, The | 41,670 | $511.9K | 0.00% | −1,220−2.8% | Reduced |
| Creative Planning | 41,526 | $510.1K | 0.00% | +27,051+186.9% | Added |
| Corebridge Financial, Inc. | 40,255 | $494.5K | 0.00% | −597−1.5% | Reduced |
| Quest Partners LLC | 39,317 | $483.0K | 0.05% | +15,694+66.4% | Added |
| Dark Forest Capital Management LP | 39,209 | $481.7K | 0.02% | +39,209 | New |
| Wellington Management Group LLP | 35,962 | $441.8K | 0.00% | −4,198,493−99.2% | Reduced |
| Profund Advisors LLC | 35,481 | $435.9K | 0.02% | +933+2.7% | Added |
| Verition Fund Management LLC | 35,037 | $430.4K | 0.00% | +35,037 | New |
| Ameriprise Financial Inc | 34,228 | $420.5K | 0.00% | +2,246+7.0% | Added |
| Clearline Capital LP | 34,177 | $419.9K | 0.04% | 00.0% | Unchanged |
| DekaBank Deutsche Girozentrale | 28,300 | $361.0K | 0.00% | 00.0% | Unchanged |
| CWM Advisors, LLC | 27,898 | $342.7K | 0.04% | −2,894−9.4% | Reduced |
| New York State Common Retirement Fund | 25,384 | $311.8K | 0.00% | 00.0% | Unchanged |
| SEI Investments Co | 24,973 | $307.0K | 0.00% | +9,894+65.6% | Added |
| Aigen Investment Management, LP | 24,158 | $296.8K | 0.05% | +24,158 | New |
| Cerity Partners LLC | 24,048 | $295.4K | 0.00% | +24,048 | New |
| CWM, LLC | 23,374 | $287.0K | 0.00% | +20,763+795.2% | Added |
| DnB Asset Management AS | 22,378 | $274.9K | 0.00% | −565−2.5% | Reduced |
| Arizona State Retirement System | 22,007 | $270.4K | 0.00% | −220−1.0% | Reduced |
| ProShare Advisors LLC | 21,637 | $265.8K | 0.00% | −5,546−20.4% | Reduced |
| 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 |
| Caxton Associates LLP | 20,945 | $257.3K | 0.01% | +20,945 | New |
| Great West Life Assurance Co | 20,662 | $254.0K | 0.00% | 00.0% | Unchanged |
| Teacher Retirement System of Texas | 20,674 | $254.0K | 0.00% | −2,095−9.2% | Reduced |
| State Board of Administration of Florida Retirement System | 18,968 | $233.0K | 0.00% | 00.0% | Unchanged |
| CIBC World Markets Corp | 18,233 | $224.0K | 0.00% | +18,233 | New |
| Police & Firemen's Retirement System of New Jersey | 17,872 | $219.6K | 0.00% | 00.0% | Unchanged |
| China Universal Asset Management Co., Ltd. | 17,121 | $210.3K | 0.02% | −978−5.4% | Reduced |
| Sigma Planning Corp | 16,985 | $208.7K | 0.01% | −800−4.5% | Reduced |
| Freestone Grove Partners LP | 16,964 | $208.4K | 0.00% | +16,964 | New |
| KLP Kapitalforvaltning AS | 16,600 | $203.9K | 0.00% | 00.0% | Unchanged |
| E Fund Management Co., Ltd. | 16,031 | $196.9K | 0.01% | +3,428+27.2% | Added |
| Universal- Beteiligungs- und Servicegesellschaft mbH | 14,560 | $178.9K | 0.00% | +14,560 | New |
| Sanctuary Advisors, LLC | 13,779 | $169.3K | 0.00% | −11,399−45.3% | Reduced |
| Public Employees Retirement Association of Colorado | 13,746 | $169.0K | 0.00% | 00.0% | Unchanged |
| Zurcher Kantonalbank (Zurich Cantonalbank) | 13,260 | $162.9K | 0.00% | −4,731−26.3% | Reduced |
| Wealth Enhancement Advisory Services, LLC | 13,172 | $161.8K | 0.00% | +13,172 | New |
| Guggenheim Capital LLC | 12,490 | $153.5K | 0.00% | +609+5.1% | Added |
| Optimize Financial Inc | 12,227 | $150.2K | 0.06% | +718+6.2% | Added |
| Virtus Investment Advisers, Inc. | 12,192 | $149.8K | 0.04% | +12,192 | New |
| Magnetar Financial LLC | 10,717 | $131.7K | 0.00% | +10,717 | New |
| Victory Capital Management Inc | 10,148 | $124.7K | 0.00% | +119+1.2% | Added |
| Farallon Capital Management, L.L.C. | 10,000 | $122.8K | 0.00% | 00.0% | Unchanged |
| Exchange Traded Concepts, LLC | 9,769 | $120.0K | 0.00% | +568+6.2% | Added |
| Mesirow Financial Investment Management, Inc. | 10,242 | $115.1K | 0.00% | 00.0% | Unchanged |
| Ameritas Investment Partners, Inc. | 7,858 | $96.5K | 0.00% | 00.0% | Unchanged |
| Cape Investment Advisory, Inc. | 6,427 | $79.0K | 0.03% | 00.0% | Unchanged |
| KBC Group NV | 5,180 | $64.0K | 0.00% | −1,774−25.5% | Reduced |
| US Bancorp | 5,055 | $62.1K | 0.00% | −300−5.6% | Reduced |
| Tower Research Capital LLC (TRC) | 4,172 | $51.3K | 0.00% | −14,018−77.1% | Reduced |
| Mirae Asset Global Investments Co., Ltd. | 2,856 | $37.6K | 0.00% | +12+0.4% | Added |
| Amalgamated Bank | 2,775 | $34.0K | 0.00% | +9+0.3% | Added |
| Advisor Group Holdings, Inc. | 2,406 | $29.6K | 0.00% | +500+26.2% | Added |
| GF Fund Management Co. Ltd. | 2,186 | $26.9K | 0.00% | +394+22.0% | Added |
| The PNC Financial Services Group, Inc. | 2,144 | $26.3K | 0.00% | +233+12.2% | Added |
| Quarry LP | 2,000 | $24.6K | 0.01% | +2,000 | New |
| Royal Bank of Canada | 1,921 | $24.0K | 0.00% | −348−15.3% | Reduced |
| Simplex Trading, LLC | 1,657 | $20.0K | 0.00% | +1,657 | New |
| MeadowBrook Investment Advisors LLC | 1,500 | $18.4K | 0.02% | 00.0% | Unchanged |
| Signaturefd, LLC | 1,394 | $17.1K | 0.00% | −684−32.9% | Reduced |
| Comerica Bank | 1,062 | $13.0K | 0.00% | +99+10.3% | Added |
| Larson Financial Group LLC | 1,024 | $12.6K | 0.00% | +24+2.4% | Added |
| MAI Capital Management | 1,000 | $12.3K | 0.00% | 00.0% | Unchanged |
| Nisa Investment Advisors, LLC | 879 | $10.8K | 0.00% | +61+7.5% | Added |
| Truvestments Capital LLC | 826 | $10.1K | 0.00% | −89−9.7% | Reduced |
| Smartleaf Asset Management LLC | 632 | $8.33K | 0.00% | +15+2.4% | Added |
| Cubist Systematic Strategies, LLC | 400 | $4.91K | 0.00% | −357,671−99.9% | Reduced |
| Parallel Advisors, LLC | 332 | $4.08K | 0.00% | −29−8.0% | Reduced |
| Daiwa Securities Group Inc. | 314 | $4.00K | 0.00% | 00.0% | Unchanged |
| Lindbrook Capital, LLC | 276 | $3.39K | 0.00% | −268−49.3% | Reduced |
| Optiver Holding B.V. | 271 | $3.33K | 0.00% | +271 | New |
| Private Wealth Management Group, LLC | 266 | $3.27K | 0.00% | +23+9.5% | Added |
| Huntington National Bank | 253 | $3.11K | 0.00% | 00.0% | Unchanged |
| EverSource Wealth Advisors, LLC | 248 | $3.05K | 0.00% | +185+293.7% | Added |
| Steward Partners Investment Advisory, LLC | 231 | $2.84K | 0.00% | 00.0% | Unchanged |
| Aster Capital Management (DIFC) Ltd | 167 | $2.61K | 0.00% | +167 | New |
| 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 |
| SBI Securities Co., Ltd. | 201 | $2.47K | 0.00% | −1,299−86.6% | Reduced |
| Crowley Wealth Management, Inc. | 200 | $2.46K | 0.00% | 00.0% | Unchanged |
| Quadrant Capital Group LLC | 194 | $2.38K | 0.00% | −824−80.9% | Reduced |