Syndax PharmaceuticalsSNDX
13F holders, Q4 2025 (December 31)230holders +3
27new positions
26sold out
7famous investors
$21.01avg. 13F price*
At the end of Q4 2025, 230 institutions reported holding Syndax Pharmaceuticals Inc. (SNDX) in their 13F filings, up 3 from Q3 2025. 27 opened new positions and 26 sold out. The largest holders were BlackRock, Inc. ($173.1M), Kynam Capital Management, LP ($169.2M) and Vanguard Group Inc. ($130.9M). 7 famous investors held it, including Steve Cohen (0.2% of Point72 Asset Management's portfolio), David E. Shaw (0.0% of D. E. Shaw & Co.'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 Q3 2025 → Q4 2025
| Institutions | Total Value | |
|---|---|---|
| New Positions | 27 | $79.1M |
| Exits | 26 | $87.9M |
All 13F filers, Q3 2025 → Q4 2025: 13,161,658 shares bought and 16,419,182 shares sold, net −3,257,524 shares. Counts holders who added, trimmed, opened or closed a position; split-adjusted.
Ownership 230 holders
| BlackRock, Inc. | 0.00% | Reduce -4.5% | 8,239,002 | $173.1M |
| Kynam Capital Management, LP | 11.01% | Reduce -5.5% | 8,050,959 | $169.2M |
| Vanguard Group Inc. | 0.00% | Add +21.3% | 6,230,334 | $130.9M |
| Goldman Sachs Group Inc. | 0.02% | Add +3.8% | 5,695,375 | $119.7M |
| Point72 Asset Management | 0.17% | Add +14.7% | 4,882,053 | $102.6M |
| Bank of America Corp. | 0.01% | Add +27.4% | 4,710,746 | $99.0M |
| State Street Corp. | 0.00% | Add +19.3% | 4,596,552 | $96.6M |
| Eversept Partners, LP | 3.90% | Reduce -4.4% | 3,314,408 | $69.6M |
| Franklin Resources Inc. | 0.01% | Add +1.3% | 2,421,666 | $50.9M |
| Kingdon Capital Management, L.L.C. | 7.56% | Reduce -6.0% | 2,350,000 | $49.4M |
| Hood River Capital Management LLC | 0.53% | New | 2,316,553 | $48.7M |
| Soleus Capital Management, L.P. | 2.00% | Add +11.7% | 2,247,110 | $47.2M |
| Geode Capital Management, LLC | 0.00% | Reduce -0.0% | 2,090,932 | $43.9M |
| Elmind Capital, LP | 11.50% | — | 1,855,000 | $39.0M |
| Ensign Peak Advisors, Inc | 0.06% | Add +97.6% | 1,598,544 | $33.6M |
| Nuveen, LLC | 0.01% | Add +0.5% | 1,483,002 | $31.2M |
| BNP PARIBAS ASSET MANAGEMENT Holding S.A. | 0.03% | Add +11.3% | 1,375,681 | $28.9M |
| Stempoint Capital LP | 4.83% | Reduce -2.0% | 1,339,379 | $28.1M |
| MPM Bioimpact LLC | 3.22% | Reduce -2.8% | 1,337,702 | $28.1M |
| Aisling Capital Management LP | 5.78% | No change | 1,316,806 | $27.7M |
| Woodline Partners LP | 0.10% | Reduce -19.3% | 1,250,668 | $26.3M |
| Eventide Asset Management, LLC | 0.41% | Add +25.3% | 1,238,196 | $26.0M |
| D. E. Shaw & Co. | 0.02% | Add +13.2% | 1,219,609 | $25.6M |
| Catalio Capital Management, LP | 4.44% | Reduce -25.9% | 1,196,807 | $25.1M |
| Two Sigma Investments, LP | 0.04% | Add +60.9% | 1,146,936 | $24.1M |
| Bank of New York Mellon Corp | 0.00% | Add +4.0% | 1,094,151 | $23.0M |
| Morgan Stanley | 0.00% | Reduce -10.3% | 1,075,501 | $22.6M |
| Algert Global LLC | 0.30% | Reduce -0.3% | 928,088 | $19.5M |
| AQR Capital Management | 0.01% | Add +65.9% | 925,974 | $19.5M |
| Candriam S.C.A. | 0.10% | No change | 925,332 | $19.4M |
| Palo Alto Investors LP | 2.32% | Add +21.3% | 794,507 | $16.7M |
| Sphera Funds Management LTD. | 3.35% | Add +96.7% | 762,563 | $16.0M |
| Jane Street Group, LLC | 0.02% | Add +1.4% | 748,920 | $15.7M |
| Northern Trust Corp. | 0.00% | Reduce -6.2% | 728,921 | $15.3M |
| Charles Schwab Investment Management Inc. | 0.00% | Add +1.2% | 727,424 | $15.3M |
| Apis Capital Advisors, LLC | 2.65% | Add +13.5% | 724,000 | $15.2M |
| UBS Group AG | 0.00% | Reduce -57.2% | 716,219 | $15.0M |
| Qube Research & Technologies Ltd | 0.02% | Reduce -58.2% | 688,137 | $14.5M |
| Prosight Management, LP | 2.89% | Reduce -33.7% | 665,000 | $14.0M |
| Silverarc Capital Management, LLC | 1.95% | Add +38.6% | 642,899 | $13.5M |
| Two Sigma Advisers, LP | 0.03% | Add +65.2% | 632,752 | $13.3M |
| Parkman Healthcare Partners LLC | 1.15% | Reduce -32.2% | 574,023 | $12.1M |
| ExodusPoint Capital Management, LP | 0.13% | Add +665.6% | 554,761 | $11.7M |
| Renaissance Technologies | 0.02% | Reduce -36.7% | 544,800 | $11.4M |
| Brevan Howard Capital Management LP | 0.23% | Add +313.5% | 515,129 | $10.8M |
| Rhenman & Partners Asset Management AB | 0.96% | Reduce -15.2% | 487,000 | $10.2M |
| Knott David M Jr | 4.04% | Reduce -3.0% | 415,000 | $8.7M |
| JPMorgan Chase & Co. | 0.00% | Add +49.1% | 378,504 | $8.0M |
| Aberdeen Group plc | 0.01% | No change | 372,792 | $7.8M |
| Granahan Investment Management, LLC | 0.33% | Reduce -7.5% | 366,793 | $7.7M |
| Barclays PLC | 0.00% | Reduce -9.6% | 314,672 | $6.6M |
| Pale Fire Capital SE | 0.77% | New | 284,460 | $6.0M |
| Ameriprise Financial Inc. | 0.00% | Add +196.1% | 282,587 | $5.9M |
| DAFNA Capital Management LLC | 1.37% | Reduce -44.5% | 277,855 | $5.8M |
| Sector Gamma As | 1.21% | Add +19.6% | 252,062 | $5.3M |
| PFM Health Sciences, LP | 0.52% | Reduce -5.3% | 242,967 | $5.1M |
| Capital Fund Management S.A. | 0.05% | Reduce -31.5% | 233,871 | $4.9M |
| Canada Pension Plan Investment Board | 0.00% | No change | 229,600 | $4.8M |
| Pinnacle Financial Partners, Inc. | 0.03% | — | 206,601 | $4.3M |
| Vienna Powszechne Towarzystwo Emerytalne S.A. Vienna Insurance Group | 2.05% | No change | 200,000 | $4.2M |
| Integral Health Asset Management, LLC | 0.21% | New | 200,000 | $4.2M |
| Citadel Advisors | 0.00% | Reduce -66.3% | 184,003 | $3.9M |
| Hennion & Walsh Asset Management, Inc. | 0.13% | Add +236.0% | 183,802 | $3.9M |
| Nomura Asset Management International Inc. | 0.01% | — | 180,000 | $3.8M |
| Hudson Bay Capital Management LP | 0.02% | Reduce -34.0% | 165,000 | $3.5M |
| Jump Financial, LLC | 0.05% | Add +23.5% | 163,915 | $3.4M |
| Rafferty Asset Management, LLC | 0.01% | Add +14.2% | 161,943 | $3.4M |
| Swiss National Bank | 0.00% | Add +1.8% | 161,400 | $3.4M |
| Wells Fargo & Company | 0.00% | Add +182.6% | 160,850 | $3.4M |
| Invesco Ltd. | 0.00% | Add +20.6% | 160,525 | $3.4M |
| Sei Investments Co. | 0.00% | Add +267.4% | 159,638 | $3.4M |
| Y-Intercept (Hong Kong) Ltd | 0.07% | Add +54.6% | 155,916 | $3.3M |
| UBS AM, a distinct business unit of UBS ASSET MANAGEMENT AMERICAS LLC | 0.00% | Add +6.1% | 142,407 | $3.0M |
| Atom Investors LP | 0.24% | New | 141,666 | $3.0M |
| FMR LLC | 0.00% | Add +2655.5% | 140,560 | $3.0M |
| Healthcare of Ontario Pension Plan Trust Fund | 0.00% | New | 137,629 | $2.9M |
| Velan Capital Investment Management LP | 1.59% | No change | 130,000 | $2.7M |
| SG Americas Securities, LLC | 0.00% | Add +184.5% | 129,227 | $2.7M |
| Panagora Asset Management Inc. | 0.01% | Reduce -19.5% | 125,099 | $2.6M |
| Voss Capital, LP | 0.14% | New | 125,000 | $2.6M |
| Rhumbline Advisers | 0.00% | Reduce -9.8% | 118,799 | $2.5M |
| Yelin Lapidot Holdings Management Ltd. | 0.46% | No change | 108,377 | $2.3M |
| NEOS Investment Management LLC | 0.01% | Reduce -7.7% | 101,553 | $2.1M |
| Tema ETFs LLC | 0.16% | Reduce -9.1% | 100,053 | $2.1M |
| Ishara Investments LP | 2.45% | — | 100,000 | $2.1M |
| Ieq Capital, LLC | 0.01% | Add +80.9% | 99,876 | $2.1M |
| Torray Investment Partners LLC | 0.32% | New | 97,802 | $2.1M |
| Alliancebernstein L.P. | 0.00% | Reduce -25.1% | 94,880 | $2.0M |
| T. Rowe Price Associates Inc. | 0.00% | Add +4.0% | 94,829 | $2.0M |
| Russell Investments Group, Ltd. | 0.00% | Add +12.7% | 89,639 | $1.9M |
| Trexquant Investment LP | 0.02% | New | 87,514 | $1.8M |
| Legal & General Group Plc | 0.00% | Reduce -7.5% | 78,236 | $1.6M |
| California State Teachers Retirement System | 0.00% | Reduce -0.1% | 78,199 | $1.6M |
| Stifel Financial Corp. | 0.00% | Reduce -22.8% | 75,914 | $1.6M |
| Dark Forest Capital Management LP | 0.07% | New | 72,703 | $1.5M |
| Deutsche Bank AG | 0.00% | Reduce -8.1% | 66,608 | $1.4M |
| Sectoral Asset Management Inc. | 1.03% | Reduce -22.9% | 61,200 | $1.3M |
| Profund Advisors LLC | 0.04% | Add +94.8% | 60,038 | $1.3M |
| Pavaki Capital Management LLC | 0.88% | — | 60,000 | $1.3M |
| Mariner, LLC | 0.00% | Add +134.6% | 54,987 | $1.2M |
"% of holder's portfolio" is SNDX's weight in each manager's 13F, not the share of Syndax Pharmaceuticals Inc. the manager owns.