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, Q3 2021
Institutional positions in Syndax Pharmaceuticals Inc as of Sep 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
- 123
- +8 vs. Q2 2021
- Shares held
- 49.1M
- −1.13M (−2.2%) vs. Q2 2021
- Total value
- $938.0M
- +$76.1M (+8.8%) vs. Q2 2021
- New holders
- 20
- 38 more added
- Sold out
- 12
- 40 more reduced
Compare with Q2 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, Q3 2021
Shares, value and share of portfolio for each institution holding Syndax Pharmaceuticals Inc; share changes are against Q2 2021.
| Institution | Shares | Value | % of portfolio | Change in shares | Action |
|---|---|---|---|---|---|
| Avidity Partners Management LP | 4,823,400 | $92.2M | 2.35% | +208,400+4.5% | Added |
| BlackRock Inc. | 3,526,298 | $67.4M | 0.00% | +6,404+0.2% | Added |
| Adage Capital Partners GP, L.L.C. | 2,866,272 | $54.8M | 0.11% | +375,000+15.1% | Added |
| Nantahala Capital Management, LLC | 2,657,159 | $50.8M | 3.00% | +63,822+2.5% | Added |
| BVF Inc | 2,486,429 | $47.5M | 1.85% | 00.0% | Unchanged |
| Boxer Capital, LLC | 2,287,782 | $43.7M | 1.53% | 00.0% | Unchanged |
| Vanguard Group Inc | 2,169,406 | $41.5M | 0.00% | +60,658+2.9% | Added |
| State Street Corp | 2,103,447 | $40.2M | 0.00% | −1,066,985−33.7% | Reduced |
| PFM Health Sciences, LP | 1,856,738 | $35.5M | 1.15% | −288,143−13.4% | Reduced |
| Citadel Advisors LLC | 1,843,357 | $35.2M | 0.04% | −115,274−5.9% | Reduced |
| Wellington Management Group LLP | 1,676,859 | $32.0M | 0.01% | +40,928+2.5% | Added |
| Avoro Capital Advisors LLC | 1,545,000 | $29.5M | 0.46% | −1,455,000−48.5% | Reduced |
| HealthCor Management, L.P. | 1,214,670 | $23.2M | 1.01% | −536,672−30.6% | Reduced |
| Casdin Capital, LLC | 1,200,000 | $22.9M | 0.57% | 00.0% | Unchanged |
| Frazier Management LLC | 1,188,135 | $22.7M | 1.82% | 00.0% | Unchanged |
| Eventide Asset Management, LLC | 1,165,000 | $22.3M | 0.29% | +462,652+65.9% | Added |
| 683 Capital Management, LLC | 1,135,900 | $21.7M | 1.13% | +50,000+4.6% | Added |
| Aisling Capital Management LP | 1,025,000 | $19.6M | 3.91% | 00.0% | Unchanged |
| Sphera Funds Management Ltd. | 750,603 | $14.3M | 1.42% | +203,416+37.2% | Added |
| Geode Capital Management, LLC | 733,220 | $14.0M | 0.00% | +26,278+3.7% | Added |
| Dimensional Fund Advisors LP | 648,026 | $12.4M | 0.00% | +146,228+29.1% | Added |
| Woodline Partners LP | 581,308 | $11.1M | 0.18% | +373,496+179.7% | Added |
| Ghost Tree Capital, LLC | 575,000 | $11.0M | 3.62% | −300,000−34.3% | Reduced |
| Price T Rowe Associates Inc | 516,098 | $9.86M | 0.00% | +95,678+22.8% | Added |
| Point72 Asset Management, L.P. | 460,900 | $8.81M | 0.04% | +148,500+47.5% | Added |
| Northern Trust Corp | 458,176 | $8.76M | 0.00% | −761−0.2% | Reduced |
| Palo Alto Investors LP | 444,900 | $8.50M | 0.51% | +43,800+10.9% | Added |
| Sofinnova Investments, Inc. | 413,841 | $7.91M | 0.51% | +413,841 | New |
| Barclays PLC | 402,388 | $7.69M | 0.01% | +345,050+601.8% | Added |
| Two Sigma Advisers, LP | 341,852 | $6.53M | 0.02% | −86,600−20.2% | Reduced |
| D. E. Shaw & Co., Inc. | 337,146 | $6.44M | 0.01% | −73,321−17.9% | Reduced |
| Susquehanna International Group, LLP | 333,806 | $6.38M | 0.01% | +225,948+209.5% | Added |
| Goldman Sachs Group Inc | 320,108 | $6.12M | 0.00% | −756,660−70.3% | Reduced |
| Vivo Capital, LLC | 320,000 | $6.12M | 0.27% | 00.0% | Unchanged |
| Charles Schwab Investment Management Inc | 302,527 | $5.78M | 0.00% | +32,896+12.2% | Added |
| Lord, Abbett & Co. LLC | 290,844 | $5.56M | 0.01% | −3,765−1.3% | Reduced |
| Morgan Stanley | 253,139 | $4.84M | 0.00% | +204,243+417.7% | Added |
| Phoenix Holdings Ltd. | 210,000 | $4.01M | 0.07% | +100,000+90.9% | Added |
| Acuta Capital Partners, LLC | 206,126 | $3.94M | 1.40% | 00.0% | Unchanged |
| Panagora Asset Management Inc | 204,181 | $3.90M | 0.02% | −1,820−0.9% | Reduced |
| Ensign Peak Advisors, Inc | 198,602 | $3.80M | 0.01% | +142,484+253.9% | Added |
| OrbiMed Advisors LLC | 190,600 | $3.64M | 0.04% | +190,600 | New |
| Macquarie Group Ltd | 180,991 | $3.46M | 0.00% | 00.0% | Unchanged |
| Nuveen Asset Management, LLC | 174,670 | $3.46M | 0.00% | −42,244−19.5% | Reduced |
| Bank of New York Mellon Corp | 168,350 | $3.22M | 0.00% | +21,405+14.6% | Added |
| Baker Bros. Advisors LP | 110,729 | $2.12M | 0.01% | +110,729 | New |
| Two Sigma Investments, LP | 109,980 | $2.10M | 0.01% | −2,359−2.1% | Reduced |
| Altium Capital Management LP | 108,000 | $2.06M | 0.55% | +108,000 | New |
| Gyon Technologies Capital Management, LP | 92,385 | $1.76M | 0.48% | +92,385 | New |
| Bank of America Corp | 90,177 | $1.72M | 0.00% | +57,340+174.6% | Added |
| Swiss National Bank | 85,300 | $1.63M | 0.00% | +2,200+2.6% | Added |
| DAFNA Capital Management LLC | 80,702 | $1.54M | 0.41% | −67,000−45.4% | Reduced |
| Kennedy Capital Management, Inc. | 78,083 | $1.49M | 0.03% | +78,083 | New |
| Schonfeld Strategic Advisors LLC | 75,600 | $1.45M | 0.02% | −43,801−36.7% | Reduced |
| JPMorgan Chase & Co | 74,982 | $1.43M | 0.00% | +55,433+283.6% | Added |
| State of Wisconsin Investment Board | 74,600 | $1.43M | 0.00% | −1,400−1.8% | Reduced |
| Rafferty Asset Management, LLC | 73,732 | $1.41M | 0.01% | −64,440−46.6% | Reduced |
| UBS Group AG | 70,513 | $1.35M | 0.00% | +52,141+283.8% | Added |
| Alps Advisors Inc | 59,593 | $1.14M | 0.01% | −3,948−6.2% | Reduced |
| Rhumbline Advisers | 57,499 | $1.10M | 0.00% | +2,100+3.8% | Added |
| California State Teachers Retirement System | 55,847 | $1.07M | 0.00% | −6,181−10.0% | Reduced |
| Citigroup Inc | 54,064 | $1.03M | 0.00% | −159,296−74.7% | Reduced |
| Teachers Retirement System of the State of Kentucky | 50,610 | $967.0K | 0.01% | +6,992+16.0% | Added |
| Ergoteles LLC | 47,068 | $899.0K | 0.03% | +47,068 | New |
| HighVista Strategies LLC | 45,584 | $872.0K | 0.58% | −2,230−4.7% | Reduced |
| UBS Asset Management Americas Inc | 38,872 | $742.8K | 0.00% | −3,800−8.9% | Reduced |
| Millennium Management LLC | 36,851 | $704.0K | 0.00% | −166,994−81.9% | Reduced |
| New York State Common Retirement Fund | 32,465 | $620.0K | 0.00% | −6,286−16.2% | Reduced |
| Alliancebernstein L.P. | 32,200 | $615.0K | 0.00% | 00.0% | Unchanged |
| Deutsche Bank AG | 28,717 | $548.0K | 0.00% | −1,736−5.7% | Reduced |
| TD Asset Management Inc | 28,671 | $548.0K | 0.00% | 00.0% | Unchanged |
| HarbourVest Partners LLC | 28,498 | $545.0K | 0.05% | +28,498 | New |
| Lexington Partners L.P. | 28,499 | $545.0K | 0.29% | +28,499 | New |
| Vanderbilt University | 28,497 | $544.6K | 0.13% | +28,497 | New |
| SG Americas Securities, LLC | 28,250 | $540.0K | 0.00% | +28,250 | New |
| Parametric Portfolio Associates LLC | 26,700 | $510.0K | 0.00% | −4,589−14.7% | Reduced |
| Credit Suisse AG | 26,611 | $508.0K | 0.00% | +2,666+11.1% | Added |
| DekaBank Deutsche Girozentrale | 25,000 | $481.0K | 0.00% | 00.0% | Unchanged |
| Sigma Planning Corp | 24,790 | $474.0K | 0.01% | −450−1.8% | Reduced |
| American International Group, Inc. | 24,610 | $470.0K | 0.00% | −586−2.3% | Reduced |
| Manufacturers Life Insurance Company, The | 23,884 | $456.0K | 0.00% | −1,686−6.6% | Reduced |
| Los Angeles Capital Management LLC | 22,844 | $437.0K | 0.00% | +5,300+30.2% | Added |
| Principle Wealth Partners LLC | 20,500 | $392.0K | 0.05% | 00.0% | Unchanged |
| Invesco Ltd. | 19,993 | $383.0K | 0.00% | +2,276+12.8% | Added |
| Voya Investment Management LLC | 17,797 | $340.0K | 0.00% | −155,289−89.7% | Reduced |
| MetLife Investment Management | 17,053 | $325.9K | 0.00% | 00.0% | Unchanged |
| Cubist Systematic Strategies, LLC | 16,393 | $313.0K | 0.00% | −4,773−22.6% | Reduced |
| ProShare Advisors LLC | 16,151 | $309.0K | 0.00% | −4,183−20.6% | Reduced |
| Standard Life Aberdeen plc | 14,248 | $272.0K | 0.00% | +14,248 | New |
| Metropolitan Life Insurance Co | 13,057 | $249.5K | 0.00% | 00.0% | Unchanged |
| Legal & General Group Plc | 12,493 | $239.0K | 0.00% | +7,450+147.7% | Added |
| State Board of Administration of Florida Retirement System | 11,949 | $228.0K | 0.00% | 00.0% | Unchanged |
| Marshall Wace, LLP | 11,637 | $222.0K | 0.00% | +11,637 | New |
| Walleye Trading LLC | 11,599 | $222.0K | 0.01% | +11,599 | New |
| Connor, Clark & Lunn Investment Management Ltd. | 11,530 | $220.0K | 0.00% | +11,530 | New |
| Virtus ETF Advisers LLC | 11,241 | $215.0K | 0.09% | −594−5.0% | Reduced |
| HighTower Advisors, LLC | 10,741 | $207.0K | 0.00% | +10,741 | New |
| BNP Paribas Arbitrage, SA | 10,620 | $202.9K | 0.00% | +7,502+240.6% | Added |
| Arizona State Retirement System | 10,514 | $201.0K | 0.00% | +267+2.6% | Added |
| Wedbush Securities Inc | 10,000 | $191.0K | 0.01% | 00.0% | Unchanged |