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 |
|---|---|---|---|---|---|
| Manufacturers Life Insurance Company, The | 41,670 | $511.9K | 0.00% | −1,220−2.8% | Reduced |
| Janus Henderson Group PLC | 39,335 | $518.2K | 0.00% | 00.0% | Unchanged |
| Wells Fargo & Company | 42,960 | $527.8K | 0.00% | +843+2.0% | Added |
| Voya Investment Management LLC | 46,189 | $567.4K | 0.00% | −2,642−5.4% | Reduced |
| Schonfeld Strategic Advisors LLC | 46,395 | $570.0K | 0.00% | +25,738+124.6% | Added |
| MetLife Investment Management | 49,732 | $611.0K | 0.00% | −783−1.6% | Reduced |
| HSBC Holdings PLC | 50,275 | $612.9K | 0.00% | −472−0.9% | Reduced |
| Axiom Investors LLC | 52,204 | $641.3K | 0.01% | −1,020−1.9% | Reduced |
| Lion Point Capital, LP | 55,000 | $675.7K | 4.31% | 00.0% | Unchanged |
| Intech Investment Management LLC | 55,664 | $683.8K | 0.01% | +23,146+71.2% | Added |
| Atom Investors LP | 57,274 | $703.6K | 0.09% | −5,521−8.8% | Reduced |
| Mirae Asset Global ETFs Holdings Ltd. | 56,842 | $705.5K | 0.00% | +3,094+5.8% | Added |
| Ieq Capital, LLC | 59,210 | $727.4K | 0.01% | +59,210 | New |
| UBS Oconnor LLC | 59,438 | $730.2K | 0.02% | −30,794−34.1% | Reduced |
| Brevan Howard Capital Management LP | 60,337 | $740.9K | 0.02% | +46,266+328.8% | Added |
| Schroder Investment Management Group | 57,565 | $758.7K | 0.00% | 00.0% | Unchanged |
| XTX Topco Ltd | 63,726 | $782.9K | 0.04% | +63,726 | New |
| State of Wisconsin Investment Board | 64,107 | $787.6K | 0.00% | +10,978+20.7% | Added |
| Price T Rowe Associates Inc | 66,114 | $813.0K | 0.00% | +9,095+16.0% | Added |
| Tudor Investment Corp Et Al | 66,988 | $822.9K | 0.01% | +66,988 | New |
| California State Teachers Retirement System | 72,019 | $884.8K | 0.00% | 00.0% | Unchanged |
| Nebula Research & Development LLC | 72,558 | $891.4K | 0.08% | −4,356−5.7% | Reduced |
| Stifel Financial Corp | 74,352 | $913.4K | 0.00% | +36,877+98.4% | Added |
| Invesco Ltd. | 76,848 | $944.1K | 0.00% | +25,524+49.7% | Added |
| Legal & General Group Plc | 80,638 | $990.6K | 0.00% | −224−0.3% | Reduced |
| Gsa Capital Partners LLP | 87,284 | $1.07M | 0.10% | +50,427+136.8% | Added |
| Prelude Capital Management, LLC | 91,717 | $1.13M | 0.11% | +5,492+6.4% | Added |
| Jane Street Group, LLC | 92,216 | $1.13M | 0.00% | +79,468+623.4% | Added |
| Polar Asset Management Partners Inc. | 106,628 | $1.31M | 0.04% | +21,630+25.4% | Added |
| Yelin Lapidot Holdings Management Ltd. | 108,377 | $1.33M | 0.26% | 00.0% | Unchanged |
| Russell Investments Group, Ltd. | 117,613 | $1.44M | 0.00% | +88,591+305.3% | Added |
| Rhumbline Advisers | 120,810 | $1.48M | 0.00% | +7,361+6.5% | Added |
| FMR LLC | 122,258 | $1.50M | 0.00% | +37,057+43.5% | Added |
| Engineers Gate Manager LP | 126,485 | $1.55M | 0.03% | −21,188−14.3% | Reduced |
| Knott David M Jr | 128,000 | $1.57M | 0.74% | 00.0% | Unchanged |
| Thornburg Investment Management Inc | 130,746 | $1.61M | 0.02% | +15,659+13.6% | Added |
| Standard Life Aberdeen plc | 132,433 | $1.63M | 0.00% | +33,093+33.3% | Added |
| Man Group plc | 134,136 | $1.65M | 0.00% | +12,597+10.4% | Added |
| HRT Financial LP | 145,034 | $1.78M | 0.01% | +40,154+38.3% | Added |
| Simplify Asset Management Inc. | 147,785 | $1.82M | 0.08% | +144+0.1% | Added |
| Swiss National Bank | 149,400 | $1.84M | 0.00% | 00.0% | Unchanged |
| SummitTX Capital, L.P. | 164,233 | $2.02M | 0.09% | +164,233 | New |
| Alliancebernstein L.P. | 168,684 | $2.07M | 0.00% | +83,434+97.9% | Added |
| Rafferty Asset Management, LLC | 171,541 | $2.11M | 0.01% | −6,624−3.7% | Reduced |
| Macquarie Group Ltd | 180,000 | $2.21M | 0.00% | 00.0% | Unchanged |
| Caption Management, LLC | 181,900 | $2.23M | 0.10% | −32,767−15.3% | Reduced |
| Propel Bio Management, LLC | 183,259 | $2.25M | 2.62% | 00.0% | Unchanged |
| Point72 Europe (London) LLP | 184,683 | $2.27M | 0.16% | +184,683 | New |
| Barclays PLC | 199,989 | $2.46M | 0.00% | +3,938+2.0% | 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 |
| Citigroup Inc | 200,650 | $2.46M | 0.00% | +56,198+38.9% | Added |
| UBS Asset Management Americas Inc | 200,696 | $2.47M | 0.00% | +30,596+18.0% | Added |
| Deutsche Bank AG | 204,732 | $2.52M | 0.00% | +114,828+127.7% | Added |
| Zimmer Partners, LP | 213,159 | $2.62M | 0.05% | +213,159 | New |
| BNP Paribas Arbitrage, SA | 216,993 | $2.67M | 0.00% | −42,252−16.3% | Reduced |
| Nuveen, LLC | 224,153 | $2.75M | 0.00% | +224,153 | New |
| Bank of New York Mellon Corp | 229,758 | $2.82M | 0.00% | +5,497+2.5% | Added |
| 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 |
| Twinbeech Capital LP | 255,832 | $3.14M | 0.06% | −100,068−28.1% | Reduced |
| ExodusPoint Capital Management, LP | 314,407 | $3.86M | 0.05% | +165,839+111.6% | Added |
| Walleye Capital LLC | 327,134 | $4.02M | 0.04% | −37,616−10.3% | Reduced |
| Susquehanna International Group, LLP | 329,906 | $4.05M | 0.01% | +202,349+158.6% | Added |
| Exome Asset Management LLC | 337,198 | $4.14M | 3.71% | +18,298+5.7% | Added |
| AQR Capital Management LLC | 377,444 | $4.64M | 0.00% | +312,231+478.8% | Added |
| Trexquant Investment LP | 386,263 | $4.75M | 0.06% | −85,029−18.0% | Reduced |
| Millennium Management LLC | 428,652 | $5.27M | 0.01% | −158,158−27.0% | Reduced |
| Rhenman & Partners Asset Management AB | 433,000 | $5.32M | 0.61% | +201,000+86.6% | Added |
| Palo Alto Investors LP | 444,367 | $5.46M | 1.04% | +39,174+9.7% | Added |
| Candriam Luxembourg S.C.A. | 450,435 | $5.53M | 0.03% | −96,730−17.7% | Reduced |
| Dimensional Fund Advisors LP | 465,882 | $5.72M | 0.00% | +134,582+40.6% | Added |
| Two Sigma Advisers, LP | 503,152 | $6.18M | 0.01% | −32,800−6.1% | Reduced |
| DAFNA Capital Management LLC | 544,502 | $6.69M | 1.90% | +2,500+0.5% | Added |
| Granahan Investment Management Inc | 549,942 | $6.76M | 0.34% | −355,380−39.3% | Reduced |
| Nantahala Capital Management, LLC | 554,503 | $6.81M | 0.56% | −6,029−1.1% | Reduced |
| Parkman Healthcare Partners LLC | 594,987 | $7.31M | 0.87% | +68,014+12.9% | Added |
| Prosight Management, LP | 609,252 | $7.48M | 2.46% | −10,748−1.7% | Reduced |
| Adage Capital Partners GP, L.L.C. | 631,640 | $7.76M | 0.01% | +9,800+1.6% | Added |
| Casdin Capital, LLC | 635,000 | $7.80M | 0.64% | +160,000+33.7% | Added |
| Renaissance Technologies LLC | 681,427 | $8.37M | 0.01% | +462+0.1% | Added |
| Ensign Peak Advisors, Inc | 689,064 | $8.47M | 0.02% | +421,115+157.2% | Added |
| Charles Schwab Investment Management Inc | 689,693 | $8.47M | 0.00% | −15,130−2.1% | Reduced |
| Northern Trust Corp | 778,758 | $9.57M | 0.00% | −13,992−1.8% | Reduced |
| Two Sigma Investments, LP | 780,009 | $9.58M | 0.02% | +110,186+16.5% | Added |
| D. E. Shaw & Co., Inc. | 787,587 | $9.68M | 0.01% | +603,470+327.8% | Added |
| Soleus Capital Management, L.P. | 816,610 | $10.0M | 0.79% | −1,675,390−67.2% | Reduced |
| Qube Research & Technologies Ltd | 834,849 | $10.3M | 0.02% | +110,433+15.2% | Added |
| Algert Global LLC | 884,600 | $10.9M | 0.27% | +98,968+12.6% | Added |
| Octagon Capital Advisors LP | 904,000 | $11.1M | 2.41% | 00.0% | Unchanged |
| Avidity Partners Management LP | 925,000 | $11.4M | 2.34% | −575,000−38.3% | Reduced |
| PFM Health Sciences, LP | 926,424 | $11.4M | 0.87% | +719,553+347.8% | Added |
| Aisling Capital Management LP | 1,025,000 | $12.6M | 4.36% | 00.0% | Unchanged |
| Saturn V Capital Management LLC | 1,041,280 | $12.8M | 6.46% | +52,752+5.3% | Added |
| JPMorgan Chase & Co | 1,105,807 | $13.6M | 0.00% | +208,490+23.2% | Added |
| Eventide Asset Management, LLC | 1,178,062 | $14.5M | 0.29% | 00.0% | Unchanged |
| BNP PARIBAS ASSET MANAGEMENT Holding S.A. | 1,221,269 | $15.0M | 0.04% | +198,732+19.4% | Added |
| Silverarc Capital Management, LLC | 1,309,224 | $16.1M | 3.36% | +78,824+6.4% | Added |
| StemPoint Capital LP | 1,598,594 | $19.6M | 6.27% | −1,274,007−44.4% | Reduced |
| Sphera Funds Management Ltd. | 1,663,974 | $20.4M | 5.04% | +282,733+20.5% | Added |