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 |
|---|---|---|---|---|---|
| BlackRock, Inc. | 8,542,251 | $104.9M | 0.00% | −491,698−5.4% | Reduced |
| Kynam Capital Management, LP | 8,520,000 | $104.7M | 8.96% | 00.0% | Unchanged |
| Vanguard Group Inc | 4,871,065 | $59.8M | 0.00% | −10,903−0.2% | Reduced |
| Eversept Partners, LP | 4,212,270 | $51.7M | 5.86% | +3,868,870+1,126.6% | Added |
| Point72 Asset Management, L.P. | 4,008,700 | $49.2M | 0.14% | +2,092,964+109.3% | Added |
| State Street Corp | 3,971,732 | $48.8M | 0.00% | +54,216+1.4% | Added |
| Goldman Sachs Group Inc | 3,921,541 | $48.2M | 0.01% | −2,028,996−34.1% | Reduced |
| Citadel Advisors LLC | 2,914,882 | $35.8M | 0.04% | +1,825,079+167.5% | Added |
| Bank of America Corp | 2,870,999 | $35.3M | 0.00% | +2,625,491+1,069.4% | Added |
| Morgan Stanley | 2,281,916 | $28.0M | 0.00% | −3,030,906−57.0% | Reduced |
| Sofinnova Investments, Inc. | 2,275,223 | $28.0M | 2.11% | +1,616,596+245.4% | Added |
| Franklin Resources Inc | 2,061,405 | $25.3M | 0.01% | +294,546+16.7% | Added |
| Assenagon Asset Management S.A. | 2,039,987 | $25.1M | 0.04% | −24,469−1.2% | Reduced |
| Geode Capital Management, LLC | 2,022,985 | $24.9M | 0.00% | +49,869+2.5% | Added |
| Kingdon Capital Management, L.L.C. | 2,000,000 | $24.6M | 5.09% | 00.0% | Unchanged |
| Woodline Partners LP | 1,891,803 | $23.2M | 0.15% | 00.0% | Unchanged |
| Balyasny Asset Management LLC | 1,817,009 | $22.3M | 0.06% | +1,747,423+2,511.2% | Added |
| Catalio Capital Management, LP | 1,733,701 | $21.3M | 5.28% | +1,733,701 | New |
| UBS Group AG | 1,715,778 | $21.1M | 0.00% | +686,957+66.8% | Added |
| Sphera Funds Management Ltd. | 1,663,974 | $20.4M | 5.04% | +282,733+20.5% | Added |
| StemPoint Capital LP | 1,598,594 | $19.6M | 6.27% | −1,274,007−44.4% | Reduced |
| Silverarc Capital Management, LLC | 1,309,224 | $16.1M | 3.36% | +78,824+6.4% | Added |
| BNP PARIBAS ASSET MANAGEMENT Holding S.A. | 1,221,269 | $15.0M | 0.04% | +198,732+19.4% | Added |
| Eventide Asset Management, LLC | 1,178,062 | $14.5M | 0.29% | 00.0% | Unchanged |
| JPMorgan Chase & Co | 1,105,807 | $13.6M | 0.00% | +208,490+23.2% | Added |
| Saturn V Capital Management LLC | 1,041,280 | $12.8M | 6.46% | +52,752+5.3% | Added |
| Aisling Capital Management LP | 1,025,000 | $12.6M | 4.36% | 00.0% | Unchanged |
| PFM Health Sciences, LP | 926,424 | $11.4M | 0.87% | +719,553+347.8% | Added |
| Avidity Partners Management LP | 925,000 | $11.4M | 2.34% | −575,000−38.3% | Reduced |
| Octagon Capital Advisors LP | 904,000 | $11.1M | 2.41% | 00.0% | Unchanged |
| Algert Global LLC | 884,600 | $10.9M | 0.27% | +98,968+12.6% | Added |
| Qube Research & Technologies Ltd | 834,849 | $10.3M | 0.02% | +110,433+15.2% | Added |
| Soleus Capital Management, L.P. | 816,610 | $10.0M | 0.79% | −1,675,390−67.2% | Reduced |
| D. E. Shaw & Co., Inc. | 787,587 | $9.68M | 0.01% | +603,470+327.8% | Added |
| Two Sigma Investments, LP | 780,009 | $9.58M | 0.02% | +110,186+16.5% | Added |
| Northern Trust Corp | 778,758 | $9.57M | 0.00% | −13,992−1.8% | Reduced |
| Charles Schwab Investment Management Inc | 689,693 | $8.47M | 0.00% | −15,130−2.1% | Reduced |
| Ensign Peak Advisors, Inc | 689,064 | $8.47M | 0.02% | +421,115+157.2% | Added |
| Renaissance Technologies LLC | 681,427 | $8.37M | 0.01% | +462+0.1% | Added |
| Casdin Capital, LLC | 635,000 | $7.80M | 0.64% | +160,000+33.7% | Added |
| Adage Capital Partners GP, L.L.C. | 631,640 | $7.76M | 0.01% | +9,800+1.6% | Added |
| Prosight Management, LP | 609,252 | $7.48M | 2.46% | −10,748−1.7% | Reduced |
| Parkman Healthcare Partners LLC | 594,987 | $7.31M | 0.87% | +68,014+12.9% | Added |
| Nantahala Capital Management, LLC | 554,503 | $6.81M | 0.56% | −6,029−1.1% | Reduced |
| Granahan Investment Management Inc | 549,942 | $6.76M | 0.34% | −355,380−39.3% | Reduced |
| DAFNA Capital Management LLC | 544,502 | $6.69M | 1.90% | +2,500+0.5% | Added |
| Two Sigma Advisers, LP | 503,152 | $6.18M | 0.01% | −32,800−6.1% | Reduced |
| Dimensional Fund Advisors LP | 465,882 | $5.72M | 0.00% | +134,582+40.6% | Added |
| Candriam Luxembourg S.C.A. | 450,435 | $5.53M | 0.03% | −96,730−17.7% | Reduced |
| Palo Alto Investors LP | 444,367 | $5.46M | 1.04% | +39,174+9.7% | Added |
| Rhenman & Partners Asset Management AB | 433,000 | $5.32M | 0.61% | +201,000+86.6% | Added |
| Millennium Management LLC | 428,652 | $5.27M | 0.01% | −158,158−27.0% | Reduced |
| Trexquant Investment LP | 386,263 | $4.75M | 0.06% | −85,029−18.0% | Reduced |
| AQR Capital Management LLC | 377,444 | $4.64M | 0.00% | +312,231+478.8% | Added |
| Exome Asset Management LLC | 337,198 | $4.14M | 3.71% | +18,298+5.7% | Added |
| Susquehanna International Group, LLP | 329,906 | $4.05M | 0.01% | +202,349+158.6% | Added |
| Walleye Capital LLC | 327,134 | $4.02M | 0.04% | −37,616−10.3% | Reduced |
| ExodusPoint Capital Management, LP | 314,407 | $3.86M | 0.05% | +165,839+111.6% | Added |
| Twinbeech Capital LP | 255,832 | $3.14M | 0.06% | −100,068−28.1% | Reduced |
| Hudson Bay Capital Management LP | 250,000 | $3.07M | 0.02% | −86,000−25.6% | Reduced |
| Healthcare of Ontario Pension Plan Trust Fund | 250,000 | $3.07M | 0.01% | −2,000−0.8% | Reduced |
| Bank of New York Mellon Corp | 229,758 | $2.82M | 0.00% | +5,497+2.5% | Added |
| Nuveen, LLC | 224,153 | $2.75M | 0.00% | +224,153 | New |
| BNP Paribas Arbitrage, SA | 216,993 | $2.67M | 0.00% | −42,252−16.3% | Reduced |
| Zimmer Partners, LP | 213,159 | $2.62M | 0.05% | +213,159 | New |
| Deutsche Bank AG | 204,732 | $2.52M | 0.00% | +114,828+127.7% | Added |
| UBS Asset Management Americas Inc | 200,696 | $2.47M | 0.00% | +30,596+18.0% | Added |
| Citigroup Inc | 200,650 | $2.46M | 0.00% | +56,198+38.9% | Added |
| Tang Capital Management LLC | 200,000 | $2.46M | 0.14% | +100,000+100.0% | Added |
| Vienna Powszechne Towarzystwo Emerytalne S.A. Vienna Insurance Group | 200,000 | $2.46M | 1.34% | +200,000 | New |
| Barclays PLC | 199,989 | $2.46M | 0.00% | +3,938+2.0% | Added |
| Point72 Europe (London) LLP | 184,683 | $2.27M | 0.16% | +184,683 | New |
| Propel Bio Management, LLC | 183,259 | $2.25M | 2.62% | 00.0% | Unchanged |
| Caption Management, LLC | 181,900 | $2.23M | 0.10% | −32,767−15.3% | Reduced |
| Macquarie Group Ltd | 180,000 | $2.21M | 0.00% | 00.0% | Unchanged |
| Rafferty Asset Management, LLC | 171,541 | $2.11M | 0.01% | −6,624−3.7% | Reduced |
| Alliancebernstein L.P. | 168,684 | $2.07M | 0.00% | +83,434+97.9% | Added |
| SummitTX Capital, L.P. | 164,233 | $2.02M | 0.09% | +164,233 | New |
| Swiss National Bank | 149,400 | $1.84M | 0.00% | 00.0% | Unchanged |
| Simplify Asset Management Inc. | 147,785 | $1.82M | 0.08% | +144+0.1% | Added |
| HRT Financial LP | 145,034 | $1.78M | 0.01% | +40,154+38.3% | Added |
| Man Group plc | 134,136 | $1.65M | 0.00% | +12,597+10.4% | Added |
| Standard Life Aberdeen plc | 132,433 | $1.63M | 0.00% | +33,093+33.3% | Added |
| Thornburg Investment Management Inc | 130,746 | $1.61M | 0.02% | +15,659+13.6% | Added |
| Knott David M Jr | 128,000 | $1.57M | 0.74% | 00.0% | Unchanged |
| Engineers Gate Manager LP | 126,485 | $1.55M | 0.03% | −21,188−14.3% | Reduced |
| FMR LLC | 122,258 | $1.50M | 0.00% | +37,057+43.5% | Added |
| Rhumbline Advisers | 120,810 | $1.48M | 0.00% | +7,361+6.5% | Added |
| Russell Investments Group, Ltd. | 117,613 | $1.44M | 0.00% | +88,591+305.3% | Added |
| Yelin Lapidot Holdings Management Ltd. | 108,377 | $1.33M | 0.26% | 00.0% | Unchanged |
| Polar Asset Management Partners Inc. | 106,628 | $1.31M | 0.04% | +21,630+25.4% | Added |
| Jane Street Group, LLC | 92,216 | $1.13M | 0.00% | +79,468+623.4% | Added |
| Prelude Capital Management, LLC | 91,717 | $1.13M | 0.11% | +5,492+6.4% | Added |
| Gsa Capital Partners LLP | 87,284 | $1.07M | 0.10% | +50,427+136.8% | Added |
| Legal & General Group Plc | 80,638 | $990.6K | 0.00% | −224−0.3% | Reduced |
| Invesco Ltd. | 76,848 | $944.1K | 0.00% | +25,524+49.7% | Added |
| Stifel Financial Corp | 74,352 | $913.4K | 0.00% | +36,877+98.4% | Added |
| Nebula Research & Development LLC | 72,558 | $891.4K | 0.08% | −4,356−5.7% | Reduced |
| California State Teachers Retirement System | 72,019 | $884.8K | 0.00% | 00.0% | Unchanged |
| Tudor Investment Corp Et Al | 66,988 | $822.9K | 0.01% | +66,988 | New |