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 2023
Institutional positions in Syndax Pharmaceuticals Inc as of Mar 31, 2023. 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
- 163
- +5 vs. Q4 2022
- Shares held
- 73.0M
- +1.69M (+2.4%) vs. Q4 2022
- Total value
- $1.54B
- −$273.5M (−15.1%) vs. Q4 2022
- New holders
- 31
- 74 more added
- Sold out
- 26
- 33 more reduced
2 institutions that held it in Q4 2022 haven't filed for Q1 2023 yet. Not filing isn't selling, so they aren't counted as sold out or in the changes above.
Compare with Q4 2022: 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 2023
Shares, value and share of portfolio for each institution holding Syndax Pharmaceuticals Inc; share changes are against Q4 2022.
| Institution | Shares | Value | % of portfolio | Change in shares | Action |
|---|---|---|---|---|---|
| Susquehanna Fundamental Investments, LLC | 26,678 | $563.4K | 0.01% | −34,836−56.6% | Reduced |
| Janus Henderson Group PLC | 26,556 | $560.9K | 0.00% | +26,556 | New |
| CWM Advisors, LLC | 26,044 | $550.0K | 0.07% | +16,666+177.7% | Added |
| HighVista Strategies LLC | 25,604 | $540.8K | 0.44% | +6,943+37.2% | Added |
| BIT Capital GmbH | 25,418 | $536.8K | 0.08% | +4,737+22.9% | Added |
| STRS Ohio | 24,900 | $525.0K | 0.00% | 00.0% | Unchanged |
| PAX Financial Group, LLC | 23,708 | $500.7K | 0.12% | +23,708 | New |
| Sigma Planning Corp | 23,250 | $491.0K | 0.02% | −2,690−10.4% | Reduced |
| AQR Capital Management LLC | 23,228 | $490.6K | 0.00% | −1,947−7.7% | Reduced |
| Manufacturers Life Insurance Company, The | 21,610 | $456.4K | 0.00% | +1,059+5.2% | Added |
| Allianz Asset Management GmbH | 20,000 | $422.4K | 0.00% | +4,000+25.0% | Added |
| Balyasny Asset Management LLC | 19,102 | $403.4K | 0.00% | +19,102 | New |
| Bayesian Capital Management, LP | 18,664 | $394.2K | 0.05% | −1,700−8.3% | Reduced |
| American Century Companies Inc | 17,267 | $364.7K | 0.00% | +3,904+29.2% | Added |
| Ziegler Capital Management, LLC | 17,090 | $360.9K | 0.01% | −16,597−49.3% | Reduced |
| Teacher Retirement System of Texas | 16,522 | $349.0K | 0.00% | +1,051+6.8% | Added |
| E Fund Management Co., Ltd. | 16,065 | $339.0K | 0.02% | +2,202+15.9% | Added |
| Victory Capital Management Inc | 16,033 | $338.6K | 0.00% | −5,871−26.8% | Reduced |
| Arizona State Retirement System | 15,540 | $328.2K | 0.00% | +1,973+14.5% | Added |
| Principle Wealth Partners LLC | 15,000 | $316.8K | 0.03% | 00.0% | Unchanged |
| Caption Management, LLC | 15,000 | $316.8K | 0.07% | +15,000 | New |
| State Board of Administration of Florida Retirement System | 13,218 | $279.2K | 0.00% | 00.0% | Unchanged |
| Fox Run Management, L.L.C. | 13,214 | $279.1K | 0.09% | +13,214 | New |
| ProShare Advisors LLC | 11,826 | $249.8K | 0.00% | −10.0% | Reduced |
| Price T Rowe Associates Inc | 11,364 | $241.0K | 0.00% | +2,000+21.4% | Added |
| Prelude Capital Management, LLC | 10,943 | $231.1K | 0.02% | +10,943 | New |
| Commonwealth Equity Services, LLC | 10,890 | $230.0K | 0.00% | +10,890 | New |
| Stonnington Group, LLC | 11,000 | $222.2K | 0.06% | +11,000 | New |
| Wedbush Securities Inc | 10,000 | $211.0K | 0.01% | 00.0% | Unchanged |
| Zurcher Kantonalbank (Zurich Cantonalbank) | 9,633 | $203.4K | 0.00% | −99−1.0% | Reduced |
| Allspring Global Investments Holdings, LLC | 8,971 | $189.5K | 0.00% | +4,435+97.8% | Added |
| Cubist Systematic Strategies, LLC | 7,920 | $167.3K | 0.00% | +7,920 | New |
| Amalgamated Bank | 6,541 | $138.0K | 0.00% | −607−8.5% | Reduced |
| Royal Bank of Canada | 6,151 | $129.0K | 0.00% | −3,327−35.1% | Reduced |
| Sandia Investment Management LP | 5,000 | $105.6K | 0.02% | 00.0% | Unchanged |
| Ameritas Investment Partners, Inc. | 4,832 | $102.1K | 0.00% | +907+23.1% | Added |
| US Bancorp | 4,543 | $95.9K | 0.00% | +213+4.9% | Added |
| Virtus ETF Advisers LLC | 4,120 | $87.0K | 0.05% | −1,581−27.7% | Reduced |
| Metropolitan Life Insurance Co | 3,254 | $68.7K | 0.00% | −37−1.1% | Reduced |
| State of Wyoming | 3,242 | $68.5K | 0.02% | +3,242 | New |
| Tower Research Capital LLC (TRC) | 3,156 | $67.0K | 0.00% | −1,791−36.2% | Reduced |
| Great West Life Assurance Co | 2,633 | $56.0K | 0.00% | 00.0% | Unchanged |
| Group One Trading, L.P. | 2,157 | $45.6K | 0.00% | +1,000+86.4% | Added |
| Advisor Group Holdings, Inc. | 1,438 | $30.4K | 0.00% | +13+0.9% | Added |
| China Universal Asset Management Co., Ltd. | 928 | $19.6K | 0.01% | +316+51.6% | Added |
| Exchange Traded Concepts, LLC | 858 | $18.1K | 0.00% | +858 | New |
| Nisa Investment Advisors, LLC | 852 | $18.0K | 0.00% | +810+1,928.6% | Added |
| Dark Forest Capital Management LP | 502 | $10.6K | 0.00% | +502 | New |
| Global Retirement Partners, LLC | 315 | $6.42K | 0.00% | 00.0% | Unchanged |
| TCI Wealth Advisors, Inc. | 281 | $5.93K | 0.00% | +281 | New |
| Daiwa Securities Group Inc. | 242 | $5.00K | 0.00% | 00.0% | Unchanged |
| Truvestments Capital LLC | 218 | $4.60K | 0.00% | +218 | New |
| Signaturefd, LLC | 206 | $4.35K | 0.00% | +136+194.3% | Added |
| Lindbrook Capital, LLC | 199 | $4.20K | 0.00% | +104+109.5% | Added |
| Fisher Asset Management, LLC | 147 | $3.10K | 0.00% | +147 | New |
| Quadrant Capital Group LLC | 128 | $2.70K | 0.00% | 00.0% | Unchanged |
| The PNC Financial Services Group, Inc. | 98 | $2.07K | 0.00% | 00.0% | Unchanged |
| EverSource Wealth Advisors, LLC | 64 | $1.35K | 0.00% | +64 | New |
| Baker Avenue Asset Management, LP | 63 | $1.33K | 0.00% | 00.0% | Unchanged |
| Massmutual Trust Co FSB | 56 | $1.18K | 0.00% | 00.0% | Unchanged |
| Allworth Financial LP | 27 | $571 | 0.00% | −39−59.1% | Reduced |
| Covestor Ltd | 19 | $0 | 0.00% | +5+35.7% | Added |
| CWM, LLC | 7 | $0 | 0.00% | +7 | New |
| Deep Track Capital, LP | 0 | $0 | 0.00% | −500,000−100.0% | Sold out |
| Iron Triangle Partners LP | 0 | $0 | 0.00% | −370,294−100.0% | Sold out |
| Ghisallo Capital Management LLC | 0 | $0 | 0.00% | −350,000−100.0% | Sold out |
| Caas Capital Management LP | 0 | $0 | 0.00% | −344,168−100.0% | Sold out |
| Norges Bank | 0 | $0 | 0.00% | −169,100−100.0% | Sold out |
| Alyeska Investment Group, L.P. | 0 | $0 | 0.00% | −100,000−100.0% | Sold out |
| Affinity Asset Advisors, LLC | 0 | $0 | 0.00% | −100,000−100.0% | Sold out |
| Renaissance Technologies LLC | 0 | $0 | 0.00% | −81,200−100.0% | Sold out |
| Gyon Technologies Capital Management, LP | 0 | $0 | 0.00% | −68,195−100.0% | Sold out |
| EAM Global Investors LLC | 0 | $0 | 0.00% | −52,101−100.0% | Sold out |
| Martingale Asset Management L P | 0 | $0 | 0.00% | −46,315−100.0% | Sold out |
| Russell Investments Group, Ltd. | 0 | $0 | 0.00% | −39,595−100.0% | Sold out |
| EAM Investors, LLC | 0 | $0 | 0.00% | −35,391−100.0% | Sold out |
| Raymond James Financial Services Advisors, Inc. | 0 | $0 | 0.00% | −34,597−100.0% | Sold out |
| Tudor Investment Corp Et Al | 0 | $0 | 0.00% | −16,581−100.0% | Sold out |
| SEI Investments Co | 0 | $0 | 0.00% | −15,243−100.0% | Sold out |
| Fred Alger Management, LLC | 0 | $0 | 0.00% | −14,977−100.0% | Sold out |
| Calamos Advisors LLC | 0 | $0 | 0.00% | −12,937−100.0% | Sold out |
| Arrowstreet Capital, Limited Partnership | 0 | $0 | 0.00% | −10,590−100.0% | Sold out |
| Connor, Clark & Lunn Investment Management Ltd. | 0 | $0 | 0.00% | −10,532−100.0% | Sold out |
| Keybank National Association | 0 | $0 | 0.00% | −9,307−100.0% | Sold out |
| Psagot Value Holdings Ltd. / (Israel) | 0 | $0 | 0.00% | −5,000−100.0% | Sold out |
| High Net Worth Advisory Group LLC | 0 | $0 | 0.00% | −2,500−100.0% | Sold out |
| Money Concepts Capital Corp | 0 | $0 | 0.00% | −200−100.0% | Sold out |
| Simplex Trading, LLC | 0 | $0 | 0.00% | −212−100.0% | Sold out |
| Rockefeller Capital Management L.P. | 0 | $0 | 0.00% | −113−100.0% | Sold out |
| HealthCor Management, L.P. | – | – | – | – | Not filed |
| CoreCap Advisors, LLC | – | – | – | – | Not filed |