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 2021
Institutional positions in Syndax Pharmaceuticals Inc as of Jun 30, 2021. 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
- 115
- −15 vs. Q1 2021
- Shares held
- 50.2M
- +1.72M (+3.6%) vs. Q1 2021
- Total value
- $861.9M
- −$222.0M (−20.5%) vs. Q1 2021
- New holders
- 11
- 54 more added
- Sold out
- 26
- 31 more reduced
Compare with Q1 2021: 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 2021
Shares, value and share of portfolio for each institution holding Syndax Pharmaceuticals Inc; share changes are against Q1 2021.
| Institution | Shares | Value | % of portfolio | Change in shares | Action |
|---|---|---|---|---|---|
| Avidity Partners Management LP | 4,615,000 | $79.2M | 2.14% | +769,000+20.0% | Added |
| BlackRock Inc. | 3,519,894 | $60.4M | 0.00% | +842,389+31.5% | Added |
| State Street Corp | 3,170,432 | $54.4M | 0.00% | +516,961+19.5% | Added |
| Avoro Capital Advisors LLC | 3,000,000 | $51.5M | 0.90% | +500,000+20.0% | Added |
| Nantahala Capital Management, LLC | 2,593,337 | $44.5M | 2.46% | +590,927+29.5% | Added |
| Adage Capital Partners GP, L.L.C. | 2,491,272 | $42.8M | 0.08% | +741,272+42.4% | Added |
| BVF Inc | 2,486,429 | $42.7M | 1.60% | +2,322,905+1,420.5% | Added |
| Boxer Capital, LLC | 2,287,782 | $39.3M | 1.39% | 00.0% | Unchanged |
| PFM Health Sciences, LP | 2,144,881 | $36.8M | 1.19% | +660,654+44.5% | Added |
| Vanguard Group Inc | 2,108,748 | $36.2M | 0.00% | +37,800+1.8% | Added |
| Citadel Advisors LLC | 1,958,631 | $33.6M | 0.03% | −271,492−12.2% | Reduced |
| HealthCor Management, L.P. | 1,751,342 | $30.1M | 1.23% | +379,862+27.7% | Added |
| Wellington Management Group LLP | 1,635,931 | $28.1M | 0.00% | −1,339,061−45.0% | Reduced |
| Casdin Capital, LLC | 1,200,000 | $20.6M | 0.52% | +200,000+20.0% | Added |
| Frazier Management LLC | 1,188,135 | $20.4M | 1.88% | −246,910−17.2% | Reduced |
| 683 Capital Management, LLC | 1,085,900 | $18.6M | 0.93% | +250,900+30.0% | Added |
| Goldman Sachs Group Inc | 1,076,768 | $18.5M | 0.00% | +513,163+91.1% | Added |
| Aisling Capital Management LP | 1,025,000 | $17.6M | 2.82% | 00.0% | Unchanged |
| Ghost Tree Capital, LLC | 875,000 | $15.0M | 4.70% | −300,000−25.5% | Reduced |
| Geode Capital Management, LLC | 706,942 | $12.1M | 0.00% | +140,019+24.7% | Added |
| Eventide Asset Management, LLC | 702,348 | $12.1M | 0.16% | −1,314,645−65.2% | Reduced |
| Sphera Funds Management Ltd. | 547,187 | $9.39M | 0.89% | −90,906−14.2% | Reduced |
| Dimensional Fund Advisors LP | 501,798 | $8.62M | 0.00% | −207,841−29.3% | Reduced |
| Northern Trust Corp | 458,937 | $7.88M | 0.00% | +93,451+25.6% | Added |
| Two Sigma Advisers, LP | 428,452 | $7.36M | 0.02% | −153,300−26.4% | Reduced |
| Price T Rowe Associates Inc | 420,420 | $7.22M | 0.00% | −18,597−4.2% | Reduced |
| D. E. Shaw & Co., Inc. | 410,467 | $7.05M | 0.01% | −163,471−28.5% | Reduced |
| Palo Alto Investors LP | 401,100 | $6.89M | 0.38% | +136,900+51.8% | Added |
| Vivo Capital, LLC | 320,000 | $5.49M | 0.24% | 00.0% | Unchanged |
| Point72 Asset Management, L.P. | 312,400 | $5.36M | 0.03% | −634,400−67.0% | Reduced |
| Lord, Abbett & Co. LLC | 294,609 | $5.06M | 0.01% | +294,609 | New |
| Charles Schwab Investment Management Inc | 269,631 | $4.63M | 0.00% | +38,698+16.8% | Added |
| Nuveen Asset Management, LLC | 216,914 | $3.73M | 0.00% | +78,723+57.0% | Added |
| Citigroup Inc | 213,360 | $3.66M | 0.00% | +33,066+18.3% | Added |
| Woodline Partners LP | 207,812 | $3.57M | 0.07% | +207,812 | New |
| Acuta Capital Partners, LLC | 206,126 | $3.54M | 1.52% | −49,054−19.2% | Reduced |
| Panagora Asset Management Inc | 206,001 | $3.54M | 0.02% | +83,361+68.0% | Added |
| Putnam Investments LLC | 205,040 | $3.52M | 0.01% | 00.0% | Unchanged |
| Millennium Management LLC | 203,845 | $3.50M | 0.00% | +203,845 | New |
| Macquarie Group Ltd | 180,991 | $3.11M | 0.00% | 00.0% | Unchanged |
| Voya Investment Management LLC | 173,086 | $2.97M | 0.01% | +21,440+14.1% | Added |
| DAFNA Capital Management LLC | 147,702 | $2.54M | 0.53% | +90,202+156.9% | Added |
| Bank of New York Mellon Corp | 146,945 | $2.52M | 0.00% | +16,430+12.6% | Added |
| Rafferty Asset Management, LLC | 138,172 | $2.37M | 0.01% | −7,269−5.0% | Reduced |
| Schonfeld Strategic Advisors LLC | 119,401 | $2.05M | 0.02% | −5,101−4.1% | Reduced |
| Healthcare of Ontario Pension Plan Trust Fund | 117,000 | $2.01M | 0.00% | +112,700+2,620.9% | Added |
| Two Sigma Investments, LP | 112,339 | $1.93M | 0.01% | −129,075−53.5% | Reduced |
| Phoenix Holdings Ltd. | 110,000 | $1.89M | 0.04% | +110,000 | New |
| Susquehanna International Group, LLP | 107,858 | $1.85M | 0.00% | −46,976−30.3% | Reduced |
| Swiss National Bank | 83,100 | $1.43M | 0.00% | +9,000+12.1% | Added |
| State of Wisconsin Investment Board | 76,000 | $1.30M | 0.00% | +22,500+42.1% | Added |
| Alps Advisors Inc | 63,541 | $1.09M | 0.01% | +63,541 | New |
| California State Teachers Retirement System | 62,028 | $1.06M | 0.00% | +15,118+32.2% | Added |
| Barclays PLC | 57,338 | $984.0K | 0.00% | −14,821−20.5% | Reduced |
| Ensign Peak Advisors, Inc | 56,118 | $963.0K | 0.00% | 00.0% | Unchanged |
| Rhumbline Advisers | 55,399 | $951.0K | 0.00% | +23,631+74.4% | Added |
| Morgan Stanley | 48,896 | $839.0K | 0.00% | −351−0.7% | Reduced |
| HighVista Strategies LLC | 47,814 | $821.0K | 0.58% | +12,941+37.1% | Added |
| Teachers Retirement System of the State of Kentucky | 43,618 | $749.0K | 0.01% | 00.0% | Unchanged |
| UBS Asset Management Americas Inc | 42,672 | $732.7K | 0.00% | +4,285+11.2% | Added |
| New York State Common Retirement Fund | 38,751 | $665.0K | 0.00% | +14,051+56.9% | Added |
| Silverarc Capital Management, LLC | 34,727 | $596.0K | 0.31% | +14,727+73.6% | Added |
| Bank of America Corp | 32,837 | $564.0K | 0.00% | −70,274−68.2% | Reduced |
| Squarepoint Ops LLC | 32,575 | $559.0K | 0.00% | +5,936+22.3% | Added |
| Alliancebernstein L.P. | 32,200 | $553.0K | 0.00% | +4,700+17.1% | Added |
| Parametric Portfolio Associates LLC | 31,289 | $537.0K | 0.00% | −380−1.2% | Reduced |
| Deutsche Bank AG | 30,453 | $523.0K | 0.00% | +8,035+35.8% | Added |
| Manufacturers Life Insurance Company, The | 25,570 | $439.0K | 0.00% | +7,563+42.0% | Added |
| Sigma Planning Corp | 25,240 | $433.0K | 0.01% | −200−0.8% | Reduced |
| American International Group, Inc. | 25,196 | $433.0K | 0.00% | +7,070+39.0% | Added |
| DekaBank Deutsche Girozentrale | 25,000 | $427.0K | 0.00% | 00.0% | Unchanged |
| TD Asset Management Inc | 28,671 | $418.0K | 0.00% | 00.0% | Unchanged |
| Credit Suisse AG | 23,945 | $411.0K | 0.00% | −1,948−7.5% | Reduced |
| Dumac, Inc. | 21,240 | $365.0K | 0.41% | +21,240 | New |
| Cubist Systematic Strategies, LLC | 21,166 | $363.0K | 0.00% | +4,415+26.4% | Added |
| Principle Wealth Partners LLC | 20,500 | $352.0K | 0.04% | 00.0% | Unchanged |
| Inscription Capital, LLC | 20,500 | $352.0K | 0.04% | +20,500 | New |
| ProShare Advisors LLC | 20,334 | $349.0K | 0.00% | +5,478+36.9% | Added |
| Caption Management, LLC | 19,629 | $337.0K | 0.03% | −33,371−63.0% | Reduced |
| JPMorgan Chase & Co | 19,549 | $335.0K | 0.00% | +7,831+66.8% | Added |
| UBS Group AG | 18,372 | $315.0K | 0.00% | −45,000−71.0% | Reduced |
| Invesco Ltd. | 17,717 | $305.0K | 0.00% | +8,069+83.6% | Added |
| Los Angeles Capital Management LLC | 17,544 | $301.0K | 0.00% | +17,544 | New |
| MetLife Investment Management | 17,053 | $292.8K | 0.00% | +5,838+52.1% | Added |
| Engineers Gate Manager LP | 16,609 | $285.0K | 0.02% | −6,759−28.9% | Reduced |
| Quantitative Systematic Strategies LLC | 13,221 | $227.0K | 0.08% | −20,948−61.3% | Reduced |
| Metropolitan Life Insurance Co | 13,057 | $224.2K | 0.00% | +5,127+64.7% | Added |
| State Board of Administration of Florida Retirement System | 11,949 | $205.0K | 0.00% | +2,637+28.3% | Added |
| Virtus ETF Advisers LLC | 11,835 | $203.0K | 0.08% | +7+0.1% | Added |
| Principal Financial Group Inc | 10,893 | $187.0K | 0.00% | +10,893 | New |
| Arizona State Retirement System | 10,247 | $176.0K | 0.00% | +812+8.6% | Added |
| Wedbush Securities Inc | 10,000 | $172.0K | 0.01% | 00.0% | Unchanged |
| Optiver Holding B.V. | 9,140 | $157.0K | 0.02% | +9,140 | New |
| Group One Trading, L.P. | 6,808 | $117.0K | 0.00% | +2,572+60.7% | Added |
| Zurcher Kantonalbank (Zurich Cantonalbank) | 6,473 | $111.0K | 0.00% | +1,729+36.4% | Added |
| Tower Research Capital LLC (TRC) | 5,808 | $100.0K | 0.00% | +4,467+333.1% | Added |
| Wells Fargo & Company | 5,451 | $94.0K | 0.00% | −4,404−44.7% | Reduced |
| Legal & General Group Plc | 5,043 | $87.0K | 0.00% | −492−8.9% | Reduced |
| US Bancorp | 4,330 | $74.0K | 0.00% | 00.0% | Unchanged |
| Point72 Hong Kong Ltd | 3,983 | $68.0K | 0.00% | +3,635+1,044.5% | Added |