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 |
|---|---|---|---|---|---|
| Alliancebernstein L.P. | 108,820 | $2.30M | 0.00% | 00.0% | Unchanged |
| Voya Investment Management LLC | 109,196 | $2.31M | 0.00% | +14,683+15.5% | Added |
| Susquehanna International Group, LLP | 109,325 | $2.31M | 0.00% | +88,637+428.4% | Added |
| BNP Paribas Arbitrage, SA | 115,690 | $2.44M | 0.01% | +59,878+107.3% | Added |
| Swiss National Bank | 115,700 | $2.44M | 0.00% | −13,700−10.6% | Reduced |
| Tekla Capital Management LLC | 117,717 | $2.49M | 0.09% | 00.0% | Unchanged |
| Twinbeech Capital LP | 129,524 | $2.74M | 0.06% | +129,524 | New |
| D. E. Shaw & Co., Inc. | 139,067 | $2.94M | 0.00% | −21,368−13.3% | Reduced |
| Schonfeld Strategic Advisors LLC | 147,566 | $3.12M | 0.03% | +138,466+1,521.6% | Added |
| Nuveen Asset Management, LLC | 151,237 | $3.19M | 0.00% | +6,375+4.4% | Added |
| Macquarie Group Ltd | 180,000 | $3.80M | 0.00% | 00.0% | Unchanged |
| Panagora Asset Management Inc | 182,381 | $3.85M | 0.02% | +3,296+1.8% | Added |
| Prudential Financial Inc | 185,705 | $3.92M | 0.01% | +46,030+33.0% | Added |
| Invesco Ltd. | 210,153 | $4.44M | 0.00% | +190,006+943.1% | Added |
| Bank of New York Mellon Corp | 211,723 | $4.47M | 0.00% | +19,240+10.0% | Added |
| Candriam Luxembourg S.C.A. | 254,874 | $4.95M | 0.03% | +254,874 | New |
| Ensign Peak Advisors, Inc | 235,370 | $4.97M | 0.01% | 00.0% | Unchanged |
| Two Sigma Advisers, LP | 263,352 | $5.56M | 0.01% | −54,500−17.1% | Reduced |
| Rafferty Asset Management, LLC | 282,883 | $5.97M | 0.04% | +18,121+6.8% | Added |
| Soleus Capital Management, L.P. | 322,600 | $6.81M | 0.84% | +102,600+46.6% | Added |
| Ghost Tree Capital, LLC | 325,000 | $6.86M | 2.60% | +175,000+116.7% | Added |
| Acuta Capital Partners, LLC | 330,000 | $6.97M | 5.42% | +5,386+1.7% | Added |
| Assenagon Asset Management S.A. | 339,592 | $7.17M | 0.03% | +329,577+3,290.8% | Added |
| 683 Capital Management, LLC | 390,000 | $8.24M | 0.74% | −180,000−31.6% | Reduced |
| Bank of America Corp | 395,169 | $8.35M | 0.00% | +127,457+47.6% | Added |
| DAFNA Capital Management LLC | 447,073 | $9.44M | 2.83% | 00.0% | Unchanged |
| Charles Schwab Investment Management Inc | 470,166 | $9.93M | 0.00% | +21,425+4.8% | Added |
| Lord, Abbett & Co. LLC | 484,666 | $10.2M | 0.04% | +148,670+44.2% | Added |
| Goldman Sachs Group Inc | 490,773 | $10.4M | 0.00% | +52,530+12.0% | Added |
| Point72 Asset Management, L.P. | 524,400 | $11.1M | 0.04% | −399,000−43.2% | Reduced |
| Walleye Capital LLC | 545,090 | $11.5M | 0.23% | +213,539+64.4% | Added |
| JPMorgan Chase & Co | 549,085 | $11.6M | 0.00% | +10,959+2.0% | Added |
| Citigroup Inc | 560,415 | $11.8M | 0.02% | +294,482+110.7% | Added |
| Northern Trust Corp | 594,924 | $12.6M | 0.00% | +45,833+8.3% | Added |
| Palo Alto Investors LP | 612,600 | $12.9M | 1.07% | 00.0% | Unchanged |
| Sphera Funds Management Ltd. | 683,061 | $14.4M | 3.12% | −27,500−3.9% | Reduced |
| Adage Capital Partners GP, L.L.C. | 790,000 | $16.7M | 0.04% | −150,000−16.0% | Reduced |
| Commodore Capital LP | 853,884 | $18.0M | 2.75% | +165,439+24.0% | Added |
| Foresite Capital Management IV, LLC | 875,000 | $18.5M | 9.59% | 00.0% | Unchanged |
| Braidwell LP | 920,049 | $19.4M | 0.64% | −322,753−26.0% | Reduced |
| Nantahala Capital Management, LLC | 975,705 | $20.6M | 1.98% | 00.0% | Unchanged |
| Barclays PLC | 981,886 | $20.7M | 0.02% | +18,550+1.9% | Added |
| T. Rowe Price Investment Management, Inc. | 1,000,715 | $21.1M | 0.02% | −2,171−0.2% | Reduced |
| Aisling Capital Management LP | 1,025,000 | $21.6M | 10.42% | 00.0% | Unchanged |
| Sofinnova Investments, Inc. | 1,075,424 | $22.7M | 1.54% | +372,350+53.0% | Added |
| Morgan Stanley | 1,093,844 | $23.1M | 0.00% | +944,475+632.3% | Added |
| Geode Capital Management, LLC | 1,227,601 | $25.9M | 0.00% | +126,572+11.5% | Added |
| Dimensional Fund Advisors LP | 1,320,225 | $27.9M | 0.01% | +54,096+4.3% | Added |
| Citadel Advisors LLC | 1,579,669 | $33.4M | 0.04% | −48,184−3.0% | Reduced |
| OrbiMed Advisors LLC | 1,711,675 | $36.2M | 0.72% | −294,825−14.7% | Reduced |
| PFM Health Sciences, LP | 1,946,652 | $41.1M | 1.89% | +132,018+7.3% | Added |
| BVF Inc | 2,143,197 | $45.3M | 1.65% | +692,000+47.7% | Added |
| Eversept Partners, LP | 2,209,057 | $46.7M | 4.19% | +588,344+36.3% | Added |
| Paradigm Biocapital Advisors LP | 2,274,512 | $48.0M | 4.55% | +320,000+16.4% | Added |
| Jennison Associates LLC | 2,416,454 | $51.0M | 0.05% | +114,208+5.0% | Added |
| Avoro Capital Advisors LLC | 2,650,000 | $56.0M | 0.83% | 00.0% | Unchanged |
| Kynam Capital Management, LP | 3,205,986 | $67.7M | 8.76% | +644,799+25.2% | Added |
| Vanguard Group Inc | 3,497,085 | $73.9M | 0.00% | +133,635+4.0% | Added |
| Frazier Life Sciences Management, L.P. | 3,708,838 | $78.3M | 5.67% | 00.0% | Unchanged |
| Avidity Partners Management LP | 3,865,300 | $81.6M | 2.71% | −1,995,700−34.1% | Reduced |
| State Street Corp | 3,866,230 | $81.7M | 0.00% | +217,767+6.0% | Added |
| BlackRock Inc. | 4,900,841 | $103.5M | 0.00% | +548,809+12.6% | Added |
| Wellington Management Group LLP | 7,003,734 | $147.9M | 0.03% | −979,708−12.3% | Reduced |
| 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 |