Syndax PharmaceuticalsSNDX
13F holders, Q1 2025 (March 31)218holders +3
29new positions
26sold out
7famous investors
$12.29avg. 13F price*
At the end of Q1 2025, 218 institutions reported holding Syndax Pharmaceuticals Inc. (SNDX) in their 13F filings, up 3 from Q4 2024. 29 opened new positions and 26 sold out. The largest holders were BlackRock, Inc. ($104.9M), Kynam Capital Management, LP ($104.7M) and Vanguard Group Inc. ($59.8M). 7 famous investors held it, including Steve Cohen (0.1% of Point72 Asset Management's portfolio), Ken Griffin (0.0% of Citadel Advisors's portfolio) and Jim Simons / Peter Brown (0.0% of Renaissance Technologies's portfolio).
- Company
- Syndax Pharmaceuticals Inc.
- CUSIP
- 87164F105
- Latest filing quarter
- Q2 2026
History
Number of 13F holders
Total Exit/New Position Q4 2024 → Q1 2025
| Institutions | Total Value | |
|---|---|---|
| New Positions | 29 | $34.1M |
| Exits | 26 | $67.0M |
All 13F filers, Q4 2024 → Q1 2025: 22,889,504 shares bought and 19,941,297 shares sold, net +2,948,207 shares. Counts holders who added, trimmed, opened or closed a position; split-adjusted.
Ownership 218 holders
| BlackRock, Inc. | 0.00% | Reduce -5.4% | 8,542,251 | $104.9M |
| Kynam Capital Management, LP | 8.96% | No change | 8,520,000 | $104.7M |
| Vanguard Group Inc. | 0.00% | Reduce -0.2% | 4,871,065 | $59.8M |
| Eversept Partners, LP | 5.86% | Add +1126.6% | 4,212,270 | $51.7M |
| Point72 Asset Management | 0.14% | Add +109.3% | 4,008,700 | $49.2M |
| State Street Corp. | 0.00% | Add +1.4% | 3,971,732 | $48.8M |
| Goldman Sachs Group Inc. | 0.01% | Reduce -34.1% | 3,921,541 | $48.2M |
| Citadel Advisors | 0.04% | Add +167.5% | 2,914,882 | $35.8M |
| Bank of America Corp. | 0.00% | Add +1069.4% | 2,870,999 | $35.3M |
| Morgan Stanley | 0.00% | Reduce -57.0% | 2,281,916 | $28.0M |
| Sofinnova Investments, Inc. | 2.11% | Add +245.4% | 2,275,223 | $28.0M |
| Franklin Resources Inc. | 0.01% | Add +16.7% | 2,061,405 | $25.3M |
| Assenagon Asset Management S.A. | 0.04% | Reduce -1.2% | 2,039,987 | $25.1M |
| Geode Capital Management, LLC | 0.00% | Add +2.5% | 2,022,985 | $24.9M |
| Kingdon Capital Management, L.L.C. | 5.09% | No change | 2,000,000 | $24.6M |
| Woodline Partners LP | 0.15% | No change | 1,891,803 | $23.2M |
| Balyasny Asset Management L.P. | 0.06% | Add +2511.2% | 1,817,009 | $22.3M |
| Catalio Capital Management, LP | 5.28% | New | 1,733,701 | $21.3M |
| UBS Group AG | 0.00% | Add +66.8% | 1,715,778 | $21.1M |
| Sphera Funds Management LTD. | 5.04% | Add +20.5% | 1,663,974 | $20.4M |
| Stempoint Capital LP | 6.27% | Reduce -44.4% | 1,598,594 | $19.6M |
| Silverarc Capital Management, LLC | 3.36% | Add +6.4% | 1,309,224 | $16.1M |
| BNP PARIBAS ASSET MANAGEMENT Holding S.A. | 0.04% | Add +19.4% | 1,221,269 | $15.0M |
| Eventide Asset Management, LLC | 0.29% | No change | 1,178,062 | $14.5M |
| JPMorgan Chase & Co. | 0.00% | Add +23.2% | 1,105,807 | $13.6M |
| Saturn V Capital Management LP | 6.46% | Add +5.3% | 1,041,280 | $12.8M |
| Aisling Capital Management LP | 4.36% | No change | 1,025,000 | $12.6M |
| PFM Health Sciences, LP | 0.90% | Add +347.8% | 926,424 | $11.4M |
| Avidity Partners Management LP | 2.34% | Reduce -38.3% | 925,000 | $11.4M |
| Octagon Capital Advisors LP | 2.41% | No change | 904,000 | $11.1M |
| Algert Global LLC | 0.27% | Add +12.6% | 884,600 | $10.9M |
| Qube Research & Technologies Ltd | 0.02% | Add +15.2% | 834,849 | $10.3M |
| Soleus Capital Management, L.P. | 0.79% | Reduce -67.2% | 816,610 | $10.0M |
| D. E. Shaw & Co. | 0.01% | Add +327.8% | 787,587 | $9.7M |
| Two Sigma Investments, LP | 0.02% | Add +16.4% | 780,009 | $9.6M |
| Northern Trust Corp. | 0.00% | Reduce -1.8% | 778,758 | $9.6M |
| Charles Schwab Investment Management Inc. | 0.00% | Reduce -2.1% | 689,693 | $8.5M |
| Ensign Peak Advisors, Inc | 0.02% | Add +157.2% | 689,064 | $8.5M |
| Renaissance Technologies | 0.01% | Add +0.1% | 681,427 | $8.4M |
| Casdin Capital, LLC | 0.64% | Add +33.7% | 635,000 | $7.8M |
| Adage Capital Partners Gp, L.L.C. | 0.01% | Add +1.6% | 631,640 | $7.8M |
| Prosight Management, LP | 2.46% | Reduce -1.7% | 609,252 | $7.5M |
| Parkman Healthcare Partners LLC | 0.87% | Add +12.9% | 594,987 | $7.3M |
| Nantahala Capital Management, LLC | 0.56% | Reduce -1.1% | 554,503 | $6.8M |
| Granahan Investment Management, LLC | 0.34% | Reduce -39.3% | 549,942 | $6.8M |
| DAFNA Capital Management LLC | 1.92% | Add +0.5% | 544,502 | $6.7M |
| Two Sigma Advisers, LP | 0.01% | Reduce -6.1% | 503,152 | $6.2M |
| Dimensional Fund Advisors LP | 0.00% | Add +40.6% | 465,882 | $5.7M |
| Candriam S.C.A. | 0.03% | Reduce -17.7% | 450,435 | $5.5M |
| Palo Alto Investors LP | 1.04% | Add +9.7% | 444,367 | $5.5M |
| Rhenman & Partners Asset Management AB | 0.61% | Add +86.6% | 433,000 | $5.3M |
| Millennium Management | 0.01% | Reduce -26.9% | 428,652 | $5.3M |
| Trexquant Investment LP | 0.06% | Reduce -18.0% | 386,263 | $4.7M |
| AQR Capital Management | 0.00% | Add +478.8% | 377,444 | $4.6M |
| Exome Asset Management LLC | 3.71% | Add +5.7% | 337,198 | $4.1M |
| Susquehanna International Group, LLP | 0.01% | Add +158.6% | 329,906 | $4.1M |
| Walleye Capital LLC | 0.05% | Reduce -10.3% | 327,134 | $4.0M |
| ExodusPoint Capital Management, LP | 0.05% | Add +111.6% | 314,407 | $3.9M |
| Twinbeech Capital LP | 0.06% | Reduce -28.1% | 255,832 | $3.1M |
| Hudson Bay Capital Management LP | 0.02% | Reduce -25.6% | 250,000 | $3.1M |
| Healthcare of Ontario Pension Plan Trust Fund | 0.01% | Reduce -0.8% | 250,000 | $3.1M |
| Bank of New York Mellon Corp | 0.00% | Add +2.5% | 229,758 | $2.8M |
| Nuveen, LLC | 0.00% | — | 224,153 | $2.8M |
| BNP Paribas Financial Markets | 0.00% | Reduce -16.3% | 216,993 | $2.7M |
| Zimmer Partners, LP | 0.05% | New | 213,159 | $2.6M |
| Deutsche Bank AG | 0.00% | Add +127.7% | 204,732 | $2.5M |
| UBS AM, a distinct business unit of UBS ASSET MANAGEMENT AMERICAS LLC | 0.00% | Add +18.0% | 200,696 | $2.5M |
| Citigroup Inc. | 0.00% | Add +38.9% | 200,650 | $2.5M |
| Vienna Powszechne Towarzystwo Emerytalne S.A. Vienna Insurance Group | 1.34% | New | 200,000 | $2.5M |
| Tang Capital Management LLC | 0.14% | Add +100.0% | 200,000 | $2.5M |
| Barclays PLC | 0.00% | Add +2.0% | 199,989 | $2.5M |
| Point72 Europe (London) LLP | 0.16% | New | 184,683 | $2.3M |
| Propel Bio Management, LLC | 2.62% | No change | 183,259 | $2.3M |
| Caption Management, LLC | 0.10% | Reduce -15.3% | 181,900 | $2.2M |
| Macquarie Group Ltd. | 0.00% | No change | 180,000 | $2.2M |
| Rafferty Asset Management, LLC | 0.01% | Reduce -3.7% | 171,541 | $2.1M |
| Alliancebernstein L.P. | 0.00% | Add +97.9% | 168,684 | $2.1M |
| SummitTX Capital, L.P. | 0.09% | — | 164,233 | $2.0M |
| Swiss National Bank | 0.00% | No change | 149,400 | $1.8M |
| Simplify Asset Management Inc. | 0.08% | Add +0.1% | 147,785 | $1.8M |
| HRT Financial LP | 0.01% | Add +38.3% | 145,034 | $1.8M |
| Man Group plc | 0.01% | Add +10.4% | 134,136 | $1.6M |
| Aberdeen Group plc | 0.00% | Add +33.3% | 132,433 | $1.6M |
| Thornburg Investment Management Inc. | 0.02% | Add +13.6% | 130,746 | $1.6M |
| Knott David M Jr | 0.74% | No change | 128,000 | $1.6M |
| Engineers Gate Manager LP | 0.03% | Reduce -14.3% | 126,485 | $1.6M |
| FMR LLC | 0.00% | Add +43.5% | 122,258 | $1.5M |
| Rhumbline Advisers | 0.00% | Add +6.5% | 120,810 | $1.5M |
| Russell Investments Group, Ltd. | 0.00% | Add +305.3% | 117,613 | $1.4M |
| Yelin Lapidot Holdings Management Ltd. | 0.26% | No change | 108,377 | $1.3M |
| Polar Asset Management Partners Inc. | 0.06% | Add +25.4% | 106,628 | $1.3M |
| Jane Street Group, LLC | 0.00% | Add +623.4% | 92,216 | $1.1M |
| Prelude Capital Management, LLC | 0.11% | Add +6.4% | 91,717 | $1.1M |
| Gsa Capital Partners LLP | 0.10% | Add +136.8% | 87,284 | $1.1M |
| Legal & General Group Plc | 0.00% | Reduce -0.3% | 80,638 | $991K |
| Invesco Ltd. | 0.00% | Add +49.7% | 76,848 | $944K |
| Stifel Financial Corp. | 0.00% | Add +98.4% | 74,352 | $913K |
| Nebula Research & Development LLC | 0.08% | Reduce -5.7% | 72,558 | $891K |
| California State Teachers Retirement System | 0.00% | No change | 72,019 | $885K |
| Tudor Investment Corporation | 0.01% | New | 66,988 | $823K |
"% of holder's portfolio" is SNDX's weight in each manager's 13F, not the share of Syndax Pharmaceuticals Inc. the manager owns.