Syndax PharmaceuticalsSNDX
13F holders, Q1 2026 (March 31)247holders +17
38new positions
23sold out
7famous investors
$23.35avg. 13F price*
At the end of Q1 2026, 247 institutions reported holding Syndax Pharmaceuticals Inc. (SNDX) in their 13F filings, up 17 from Q4 2025. 38 opened new positions and 23 sold out. The largest holders were BlackRock, Inc. ($192.8M), Kynam Capital Management, LP ($188.1M) and Goldman Sachs Group Inc. ($116.7M). 7 famous investors held it, including Steve Cohen (0.1% 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 Q4 2025 → Q1 2026
| Institutions | Total Value | |
|---|---|---|
| New Positions | 38 | $147.8M |
| Exits | 23 | $45.4M |
All 13F filers, Q4 2025 → Q1 2026: 12,424,696 shares bought and 12,365,020 shares sold, net +59,676 shares. Counts holders who added, trimmed, opened or closed a position; split-adjusted.
Ownership 247 holders
| BlackRock, Inc. | 0.00% | Add +0.2% | 8,254,426 | $192.8M |
| Kynam Capital Management, LP | 11.94% | No change | 8,050,959 | $188.1M |
| Goldman Sachs Group Inc. | 0.02% | Reduce -12.3% | 4,996,787 | $116.7M |
| State Street Corp. | 0.00% | Reduce -3.6% | 4,430,076 | $103.5M |
| Bank of America Corp. | 0.01% | Reduce -9.8% | 4,249,836 | $99.3M |
| Vanguard Capital Management LLC | 0.00% | — | 3,822,579 | $89.3M |
| Deerfield Management Company, L.P. | 1.23% | New | 3,779,900 | $88.3M |
| Eversept Partners, LP | 4.44% | Reduce -12.9% | 2,885,622 | $67.4M |
| Kingdon Capital Management, L.L.C. | 9.78% | Add +6.4% | 2,500,000 | $58.4M |
| Hood River Capital Management LLC | 0.55% | Add +1.6% | 2,354,285 | $55.0M |
| Geode Capital Management, LLC | 0.00% | Add +3.2% | 2,157,058 | $50.4M |
| Franklin Resources Inc. | 0.01% | Reduce -11.2% | 2,150,079 | $50.2M |
| Point72 Asset Management | 0.08% | Reduce -59.3% | 1,985,547 | $46.4M |
| Elmind Capital, LP | 12.30% | No change | 1,855,000 | $43.3M |
| Vanguard Portfolio Management LLC | 0.00% | — | 1,737,141 | $40.6M |
| BNP PARIBAS ASSET MANAGEMENT Holding S.A. | 0.05% | Add +25.9% | 1,732,541 | $40.5M |
| Soleus Capital Management, L.P. | 1.63% | Reduce -23.1% | 1,726,908 | $40.3M |
| D. E. Shaw & Co. | 0.03% | Add +31.4% | 1,601,896 | $37.4M |
| Two Sigma Investments, LP | 0.03% | Add +37.7% | 1,579,596 | $36.9M |
| Nuveen, LLC | 0.01% | Add +0.8% | 1,494,645 | $34.9M |
| MPM Bioimpact LLC | 2.42% | Add +0.2% | 1,340,733 | $31.3M |
| Aisling Capital Management LP | 6.46% | No change | 1,316,806 | $30.8M |
| Woodline Partners LP | 0.11% | Add +0.0% | 1,250,760 | $29.2M |
| Stempoint Capital LP | 5.46% | Reduce -9.2% | 1,215,743 | $28.4M |
| UBS Group AG | 0.00% | Add +61.1% | 1,153,662 | $26.9M |
| Catalio Capital Management, LP | 5.09% | Reduce -12.8% | 1,043,670 | $24.4M |
| Bank of New York Mellon Corp | 0.00% | Reduce -8.2% | 1,004,498 | $23.5M |
| Ensign Peak Advisors, Inc | 0.04% | Reduce -38.0% | 990,969 | $23.1M |
| AQR Capital Management | 0.01% | Add +5.9% | 980,314 | $22.9M |
| Orbimed Advisors LLC | 0.51% | New | 962,300 | $22.5M |
| Algert Global LLC | 0.33% | Add +0.1% | 928,568 | $21.7M |
| Candriam S.C.A. | 0.11% | No change | 925,332 | $21.6M |
| Parkman Healthcare Partners LLC | 2.18% | Add +57.0% | 901,511 | $21.1M |
| Morgan Stanley | 0.00% | Reduce -16.9% | 893,933 | $20.9M |
| Silverarc Capital Management, LLC | 2.45% | Add +38.3% | 888,987 | $20.8M |
| Palo Alto Investors LP | 3.09% | Add +8.9% | 864,986 | $20.2M |
| Prosight Management, LP | 2.95% | Add +15.8% | 770,000 | $18.0M |
| Northern Trust Corp. | 0.00% | Add +3.7% | 755,719 | $17.7M |
| Sphera Funds Management LTD. | 2.91% | Reduce -5.0% | 724,563 | $16.9M |
| Charles Schwab Investment Management Inc. | 0.00% | Reduce -1.7% | 715,153 | $16.7M |
| Trails Edge Capital Partners, LP | 3.86% | New | 701,821 | $16.4M |
| Citadel Advisors | 0.01% | Add +242.9% | 630,942 | $14.7M |
| Vanguard Fiduciary Trust Co. | 0.00% | — | 600,517 | $14.0M |
| Apis Capital Advisors, LLC | 1.98% | Reduce -24.0% | 550,000 | $12.8M |
| Renaissance Technologies | 0.02% | Reduce -8.6% | 498,200 | $11.6M |
| Knott David M Jr | 5.87% | Add +1.7% | 422,000 | $9.9M |
| Walleye Capital LLC | 0.06% | Add +1490.5% | 384,973 | $9.0M |
| Rhenman & Partners Asset Management AB | 1.09% | Reduce -22.1% | 379,250 | $8.9M |
| Integral Health Asset Management, LLC | 0.43% | Add +75.0% | 350,000 | $8.2M |
| Jane Street Group, LLC | 0.01% | Reduce -55.2% | 335,531 | $7.8M |
| Healthcare of Ontario Pension Plan Trust Fund | 0.01% | Add +141.0% | 331,665 | $7.7M |
| Granahan Investment Management, LLC | 0.35% | Reduce -16.5% | 306,321 | $7.2M |
| Aberdeen Group plc | 0.01% | Reduce -23.0% | 286,969 | $6.7M |
| Sector Gamma As | 1.58% | Add +13.5% | 286,007 | $6.7M |
| Pale Fire Capital SE | 0.58% | No change | 284,460 | $6.6M |
| Ameriprise Financial Inc. | 0.00% | Add +0.6% | 284,245 | $6.6M |
| Schonfeld Strategic Advisors LLC | 0.05% | Add +1889.5% | 260,626 | $6.1M |
| Alliancebernstein L.P. | 0.00% | Add +204.1% | 288,567 | $6.1M |
| Invesco Ltd. | 0.00% | Add +57.5% | 252,761 | $5.9M |
| Panagora Asset Management Inc. | 0.02% | Add +99.4% | 249,407 | $5.8M |
| JPMorgan Chase & Co. | 0.00% | Reduce -31.7% | 258,519 | $5.8M |
| PFM Health Sciences, LP | 0.61% | Add +0.8% | 245,021 | $5.7M |
| Canada Pension Plan Investment Board | 0.00% | No change | 229,600 | $5.4M |
| Sei Investments Co. | 0.00% | Add +36.3% | 217,600 | $5.1M |
| DAFNA Capital Management LLC | 1.17% | Reduce -21.8% | 217,355 | $5.1M |
| Hennion & Walsh Asset Management, Inc. | 0.17% | Add +16.9% | 214,807 | $5.0M |
| Brevan Howard Capital Management LP | 0.05% | Reduce -60.2% | 204,845 | $4.8M |
| Pinnacle Financial Partners, Inc. | 0.04% | Reduce -2.1% | 202,282 | $4.7M |
| Trexquant Investment LP | 0.03% | Add +130.6% | 201,777 | $4.7M |
| Vienna Powszechne Towarzystwo Emerytalne S.A. Vienna Insurance Group | 1.78% | No change | 200,000 | $4.7M |
| Millennium Management | 0.00% | Add +284.2% | 199,524 | $4.7M |
| Essex Investment Management Co. LLC | 0.74% | New | 198,985 | $4.6M |
| Susquehanna International Group, LLP | 0.01% | Add +983.1% | 196,621 | $4.6M |
| Man Group plc | 0.01% | Add +307.8% | 182,016 | $4.3M |
| Squarepoint Ops LLC | 0.01% | Add +816.3% | 181,552 | $4.2M |
| Nomura Asset Management International Inc. | 0.01% | No change | 180,000 | $4.2M |
| FMR LLC | 0.00% | Add +23.8% | 173,993 | $4.1M |
| Swiss National Bank | 0.00% | No change | 161,400 | $3.8M |
| Atom Investors LP | 0.26% | Add +10.1% | 155,965 | $3.6M |
| UBS AM, a distinct business unit of UBS ASSET MANAGEMENT AMERICAS LLC | 0.00% | Add +5.2% | 149,797 | $3.5M |
| Capital Fund Management S.A. | 0.03% | Reduce -37.8% | 145,566 | $3.4M |
| Rafferty Asset Management, LLC | 0.01% | Reduce -23.0% | 124,723 | $2.9M |
| Wellington Management Group LLP | 0.00% | Add +246.9% | 123,586 | $2.9M |
| Cinctive Capital Management LP | 0.18% | New | 117,319 | $2.7M |
| Rhumbline Advisers | 0.00% | Reduce -3.4% | 114,762 | $2.7M |
| Ieq Capital, LLC | 0.01% | Add +9.8% | 109,623 | $2.6M |
| T. Rowe Price Associates Inc. | 0.00% | Add +13.0% | 107,133 | $2.5M |
| ExodusPoint Capital Management, LP | 0.02% | Reduce -81.1% | 105,051 | $2.5M |
| Torray Investment Partners LLC | 0.38% | Add +7.2% | 104,868 | $2.4M |
| California State Teachers Retirement System | 0.00% | Add +31.7% | 103,009 | $2.4M |
| Russell Investments Group, Ltd. | 0.00% | Add +13.2% | 101,492 | $2.4M |
| Yelin Lapidot Holdings Management Ltd. | 0.47% | Reduce -11.2% | 96,297 | $2.2M |
| Twinbeech Capital LP | 0.22% | Add +70.1% | 90,006 | $2.1M |
| HRT Financial LP | 0.01% | New | 88,904 | $2.1M |
| Wells Fargo & Company | 0.00% | Reduce -50.0% | 80,394 | $1.9M |
| XTX Topco Ltd | 0.03% | Add +327.6% | 79,007 | $1.8M |
| Deutsche Bank AG | 0.00% | Add +12.6% | 74,983 | $1.8M |
| Mariner, LLC | 0.00% | Add +33.1% | 73,199 | $1.7M |
| Aquatic Capital Management LLC | 0.05% | Add +3281.4% | 69,083 | $1.6M |
| Tudor Investment Corporation | 0.01% | Add +45.6% | 69,059 | $1.6M |
"% of holder's portfolio" is SNDX's weight in each manager's 13F, not the share of Syndax Pharmaceuticals Inc. the manager owns.