Syndax PharmaceuticalsSNDX
13F holders, Q3 2025 (September 30)227holders +11
40new positions
27sold out
8famous investors
$15.39avg. 13F price*
At the end of Q3 2025, 227 institutions reported holding Syndax Pharmaceuticals Inc. (SNDX) in their 13F filings, up 11 from Q2 2025. 40 opened new positions and 27 sold out. The largest holders were BlackRock, Inc. ($132.7M), Kynam Capital Management, LP ($131.1M) and Goldman Sachs Group Inc. ($84.4M). 8 famous investors held it, including Steve Cohen (0.2% of Point72 Asset Management's portfolio), Jim Simons / Peter Brown (0.0% of Renaissance Technologies's portfolio) and David E. Shaw (0.0% of D. E. Shaw & Co.'s portfolio).
- Company
- Syndax Pharmaceuticals Inc.
- CUSIP
- 87164F105
- Latest filing quarter
- Q2 2026
History
Number of 13F holders
Total Exit/New Position Q2 2025 → Q3 2025
| Institutions | Total Value | |
|---|---|---|
| New Positions | 40 | $62.6M |
| Exits | 27 | $45.9M |
All 13F filers, Q2 2025 → Q3 2025: 15,959,038 shares bought and 16,523,995 shares sold, net −564,957 shares. Counts holders who added, trimmed, opened or closed a position; split-adjusted.
Ownership 227 holders
| BlackRock, Inc. | 0.00% | Reduce -17.5% | 8,625,244 | $132.7M |
| Kynam Capital Management, LP | 9.76% | No change | 8,520,000 | $131.1M |
| Goldman Sachs Group Inc. | 0.01% | Reduce -5.4% | 5,486,434 | $84.4M |
| Vanguard Group Inc. | 0.00% | Add +2.1% | 5,138,617 | $79.1M |
| Point72 Asset Management | 0.15% | Add +100.0% | 4,255,047 | $65.5M |
| State Street Corp. | 0.00% | Add +11.9% | 3,853,549 | $59.3M |
| Bank of America Corp. | 0.00% | Reduce -3.7% | 3,697,753 | $56.9M |
| Eversept Partners, LP | 4.09% | Reduce -14.7% | 3,467,314 | $53.3M |
| Adage Capital Partners Gp, L.L.C. | 0.08% | Add +131.2% | 3,311,963 | $51.0M |
| Kingdon Capital Management, L.L.C. | 6.03% | Add +19.1% | 2,500,000 | $38.5M |
| Franklin Resources Inc. | 0.01% | Add +1.3% | 2,390,561 | $36.8M |
| Geode Capital Management, LLC | 0.00% | Add +2.0% | 2,091,331 | $32.2M |
| Soleus Capital Management, L.P. | 1.65% | Add +84.2% | 2,012,110 | $31.0M |
| Assenagon Asset Management S.A. | 0.04% | Reduce -12.5% | 1,784,139 | $27.4M |
| UBS Group AG | 0.01% | Add +16.7% | 1,674,513 | $25.8M |
| Qube Research & Technologies Ltd | 0.04% | Reduce -1.3% | 1,644,844 | $25.3M |
| Catalio Capital Management, LP | 4.59% | Reduce -23.3% | 1,614,717 | $24.8M |
| Woodline Partners LP | 0.11% | Reduce -18.1% | 1,550,520 | $23.9M |
| Nuveen, LLC | 0.01% | Add +454.7% | 1,475,798 | $22.7M |
| MPM Bioimpact LLC | 3.46% | New | 1,375,674 | $21.2M |
| Stempoint Capital LP | 4.24% | Reduce -42.4% | 1,366,205 | $21.0M |
| Aisling Capital Management LP | 4.44% | No change | 1,316,806 | $20.3M |
| BNP PARIBAS ASSET MANAGEMENT Holding S.A. | 0.05% | Reduce -14.5% | 1,236,077 | $19.0M |
| Morgan Stanley | 0.00% | Add +41.2% | 1,199,296 | $18.5M |
| D. E. Shaw & Co. | 0.01% | Add +67.2% | 1,077,585 | $16.6M |
| Bank of New York Mellon Corp | 0.00% | Add +343.8% | 1,052,335 | $16.2M |
| Millennium Management | 0.01% | Reduce -34.5% | 1,046,456 | $16.1M |
| Prosight Management, LP | 3.71% | Reduce -7.1% | 1,003,400 | $15.4M |
| Eventide Asset Management, LLC | 0.25% | Reduce -30.1% | 988,486 | $15.2M |
| Algert Global LLC | 0.24% | Reduce -8.9% | 930,766 | $14.3M |
| Candriam S.C.A. | 0.07% | Add +37.1% | 925,332 | $14.2M |
| Renaissance Technologies | 0.02% | Add +2.7% | 860,500 | $13.2M |
| Parkman Healthcare Partners LLC | 1.43% | Reduce -2.4% | 846,899 | $13.0M |
| Ensign Peak Advisors, Inc | 0.02% | Add +17.4% | 809,064 | $12.4M |
| Northern Trust Corp. | 0.00% | Add +0.8% | 776,686 | $11.9M |
| Jane Street Group, LLC | 0.01% | Add +340.8% | 738,266 | $11.4M |
| Charles Schwab Investment Management Inc. | 0.00% | Add +0.9% | 719,034 | $11.1M |
| Two Sigma Investments, LP | 0.02% | Add +27.9% | 712,659 | $11.0M |
| Palo Alto Investors LP | 1.86% | Add +47.4% | 654,930 | $10.1M |
| Apis Capital Advisors, LLC | 2.17% | New | 638,000 | $9.8M |
| BNP Paribas Financial Markets | 0.01% | Add +20.0% | 599,871 | $9.2M |
| Rhenman & Partners Asset Management AB | 0.98% | No change | 574,000 | $8.8M |
| AQR Capital Management | 0.01% | Add +142.0% | 558,076 | $8.6M |
| Citadel Advisors | 0.01% | Reduce -14.7% | 546,268 | $8.4M |
| DAFNA Capital Management LLC | 1.93% | Reduce -7.9% | 500,702 | $7.7M |
| Silverarc Capital Management, LLC | 1.03% | Add +15.1% | 463,708 | $7.1M |
| Knott David M Jr | 2.76% | Add +21.3% | 428,000 | $6.6M |
| Granahan Investment Management, LLC | 0.25% | Reduce -60.0% | 396,336 | $6.1M |
| Sphera Funds Management LTD. | 1.41% | Reduce -75.3% | 387,716 | $6.0M |
| Zimmer Partners, LP | 0.14% | Reduce -36.8% | 383,100 | $5.9M |
| Two Sigma Advisers, LP | 0.01% | Reduce -2.4% | 383,052 | $5.9M |
| Aberdeen Group plc | 0.01% | Add +22.9% | 372,792 | $5.7M |
| Barclays PLC | 0.00% | Reduce -9.1% | 348,061 | $5.4M |
| Capital Fund Management S.A. | 0.05% | Add +91.4% | 341,194 | $5.2M |
| Ikarian Capital, LLC | 1.04% | New | 333,733 | $5.1M |
| Walleye Capital LLC | 0.04% | Add +31.7% | 297,658 | $4.6M |
| Boothbay Fund Management, LLC | 0.11% | Add +103.3% | 261,933 | $4.0M |
| PFM Health Sciences, LP | 0.34% | New | 256,488 | $3.9M |
| JPMorgan Chase & Co. | 0.00% | Reduce -7.0% | 253,850 | $3.9M |
| Hudson Bay Capital Management LP | 0.03% | Reduce -43.6% | 250,000 | $3.8M |
| Cubist Systematic Strategies, LLC | 0.05% | Add +40.2% | 246,779 | $3.8M |
| Marshall Wace, LLP | 0.00% | Add +0.8% | 233,973 | $3.6M |
| Canada Pension Plan Investment Board | 0.00% | New | 229,600 | $3.5M |
| Royal Bank of Canada | 0.00% | Reduce -35.1% | 228,000 | $3.5M |
| Sector Gamma As | 0.80% | New | 210,814 | $3.2M |
| Vienna Powszechne Towarzystwo Emerytalne S.A. Vienna Insurance Group | 1.82% | No change | 200,000 | $3.1M |
| Tang Capital Management LLC | 0.12% | No change | 200,000 | $3.1M |
| Macquarie Group Ltd. | 0.00% | No change | 180,000 | $2.8M |
| Engineers Gate Manager LP | 0.03% | Add +0.1% | 179,366 | $2.8M |
| Man Group plc | 0.01% | Reduce -23.3% | 174,951 | $2.7M |
| Swiss National Bank | 0.00% | Reduce -3.5% | 158,500 | $2.4M |
| Panagora Asset Management Inc. | 0.01% | New | 155,316 | $2.4M |
| Keybank National Association | 0.01% | New | 150,000 | $2.3M |
| HRT Financial LP | 0.01% | Add +16.5% | 148,139 | $2.3M |
| Rafferty Asset Management, LLC | 0.01% | Add +12.5% | 141,822 | $2.2M |
| UBS AM, a distinct business unit of UBS ASSET MANAGEMENT AMERICAS LLC | 0.00% | Reduce -47.6% | 134,261 | $2.1M |
| Invesco Ltd. | 0.00% | Add +26.6% | 133,091 | $2.0M |
| Jump Financial, LLC | 0.03% | Reduce -65.2% | 132,701 | $2.0M |
| Schonfeld Strategic Advisors LLC | 0.01% | Reduce -50.1% | 132,123 | $2.0M |
| Rhumbline Advisers | 0.00% | Add +2.3% | 131,669 | $2.0M |
| Velan Capital Investment Management LP | 1.88% | New | 130,000 | $2.0M |
| Alliancebernstein L.P. | 0.00% | Add +7.7% | 126,649 | $1.9M |
| Schroder Investment Management Group | 0.00% | Add +1.0% | 123,404 | $1.9M |
| Brevan Howard Capital Management LP | 0.03% | Add +341.3% | 124,575 | $1.9M |
| Dimensional Fund Advisors LP | 0.00% | Reduce -75.1% | 121,467 | $1.9M |
| Exome Asset Management LLC | 1.20% | Reduce -61.8% | 117,783 | $1.8M |
| Tema ETFs LLC | 0.14% | Add +27.5% | 110,066 | $1.7M |
| NEOS Investment Management LLC | 0.01% | Add +27.5% | 110,066 | $1.7M |
| Yelin Lapidot Holdings Management Ltd. | 0.35% | No change | 108,377 | $1.7M |
| Y-Intercept (Hong Kong) Ltd | 0.04% | Reduce -63.6% | 100,851 | $1.6M |
| SummitTX Capital, L.P. | 0.06% | Reduce -52.4% | 100,586 | $1.5M |
| Stifel Financial Corp. | 0.00% | Add +10.4% | 98,341 | $1.5M |
| Ameriprise Financial Inc. | 0.00% | Reduce -1.3% | 95,443 | $1.5M |
| T. Rowe Price Associates Inc. | 0.00% | Add +20.9% | 91,134 | $1.4M |
| Legal & General Group Plc | 0.00% | Reduce -0.0% | 84,546 | $1.3M |
| Voya Investment Management LLC | 0.00% | Reduce -8.4% | 83,207 | $1.3M |
| Russell Investments Group, Ltd. | 0.00% | Reduce -37.0% | 79,538 | $1.2M |
| Sectoral Asset Management Inc. | 0.75% | Add +25.5% | 79,430 | $1.2M |
| California State Teachers Retirement System | 0.00% | Add +8.7% | 78,287 | $1.2M |
| Deutsche Bank AG | 0.00% | Add +11.9% | 72,470 | $1.1M |
| ExodusPoint Capital Management, LP | 0.02% | New | 72,464 | $1.1M |
| AlphaQuest LLC | 0.06% | Add +183.3% | 59,341 | $913K |
| HSBC Holdings PLC | 0.00% | Reduce -47.1% | 56,524 | $884K |
| Wells Fargo & Company | 0.00% | Reduce -63.1% | 56,916 | $876K |
| Los Angeles Capital Management LLC | 0.00% | New | 55,214 | $849K |
| Ieq Capital, LLC | 0.00% | Add +319.5% | 55,204 | $849K |
| Lion Point Capital, LP | 4.81% | No change | 55,000 | $846K |
| Hennion & Walsh Asset Management, Inc. | 0.03% | Add +70.0% | 54,698 | $842K |
| State of Wisconsin Investment Board | 0.00% | Reduce -64.3% | 50,330 | $774K |
| Tudor Investment Corporation | 0.01% | Reduce -5.4% | 50,184 | $772K |
| MetLife Investment Management, LLC | 0.00% | No change | 49,732 | $765K |
| Gotham Asset Management | 0.00% | New | 48,246 | $742K |
| MIRAE ASSET GLOBAL ETFS HOLDINGS Ltd. | 0.00% | Reduce -11.4% | 46,841 | $722K |
| SG Americas Securities, LLC | 0.00% | New | 45,426 | $699K |
| Twinbeech Capital LP | 0.03% | Reduce -60.7% | 44,294 | $681K |
| Point72 Hong Kong Ltd | 0.03% | New | 43,809 | $674K |
| Sei Investments Co. | 0.00% | Add +220.6% | 43,448 | $668K |
| Janus Henderson Group PLC | 0.00% | No change | 39,335 | $605K |
| Wellington Management Group LLP | 0.00% | Add +12.2% | 38,226 | $588K |
| Stonepine Capital Management, LLC | 0.47% | Reduce -60.0% | 37,200 | $572K |
| Fox Run Management, L.L.C. | 0.09% | Add +94.2% | 35,656 | $549K |
| Squarepoint Ops LLC | 0.00% | Reduce -4.7% | 35,519 | $546K |
| Quarry LP | 0.14% | Reduce -40.1% | 35,365 | $544K |
| Susquehanna International Group, LLP | 0.00% | Reduce -90.7% | 34,750 | $535K |
| Clearline Capital LP | 0.05% | No change | 34,177 | $526K |
| Intech Investment Management LLC | 0.00% | Reduce -26.0% | 33,875 | $521K |
| Prelude Capital Management, LLC | 0.04% | Reduce -63.6% | 32,739 | $504K |
| Quadrature Capital Ltd | 0.01% | New | 32,360 | $498K |
| Phoenix Financial Ltd. | 0.01% | Reduce -57.7% | 31,740 | $489K |
| Scientech Research LLC | 0.17% | New | 30,875 | $475K |
| Profund Advisors LLC | 0.02% | Add +15.7% | 30,817 | $474K |
| Cinctive Capital Management LP | 0.02% | New | 30,440 | $468K |
| XTX Topco Ltd | 0.02% | Add +154.1% | 30,393 | $468K |
| Inspire Investing, LLC | 0.04% | Reduce -32.8% | 28,833 | $444K |
| Manufacturers Life Insurance Company, The | 0.00% | Reduce -34.9% | 28,764 | $443K |
| Simplify Asset Management Inc. | 0.01% | Add +13.8% | 28,505 | $439K |
| DekaBank Deutsche Girozentrale | 0.00% | No change | 28,300 | $429K |
| Cerity Partners LLC | 0.00% | New | 26,774 | $412K |
| Post Resch Tallon Group Inc. | 0.35% | New | 25,800 | $397K |
| New York State Common Retirement Fund | 0.00% | No change | 25,384 | $391K |
| Arizona State Retirement System | 0.00% | Reduce -3.7% | 24,158 | $372K |
| Police & Firemen's Retirement System of New Jersey | 0.00% | Add +34.1% | 23,968 | $369K |
| Mariner, LLC | 0.00% | New | 23,440 | $361K |
| DNB Asset Management AS | 0.00% | Reduce -20.7% | 23,294 | $358K |
| WINTON GROUP Ltd | 0.01% | New | 22,521 | $346K |
| Concentric Capital Strategies, LP | 0.02% | New | 21,944 | $338K |
| Bridgefront Capital, LLC | 0.10% | New | 21,848 | $336K |
| Cwm, LLC | 0.00% | Add +141.7% | 21,175 | $326K |
| Zurcher Kantonalbank (Zurich Cantonalbank) | 0.00% | No change | 20,541 | $316K |
| Teacher Retirement System of Texas | 0.00% | Reduce -13.4% | 20,037 | $308K |
| State Board of Administration of Florida Retirement System | 0.00% | No change | 18,968 | $292K |
| Creative Planning | 0.00% | Add +16.4% | 17,970 | $276K |
| ProShare Advisors LLC | 0.00% | Reduce -14.7% | 17,639 | $271K |
| HighTower Advisors, LLC | 0.00% | New | 17,423 | $268K |
| Verition Fund Management LLC | 0.00% | Reduce -86.3% | 17,179 | $264K |
| Gsa Capital Partners LLP | 0.02% | Reduce -3.0% | 16,908 | $260K |
| Point72 (DIFC) Ltd | 0.02% | Add +288.1% | 16,791 | $258K |
| KLP Kapitalforvaltning As | 0.00% | No change | 16,600 | $255K |
| Allspring Global Investments Holdings, LLC | 0.00% | New | 16,107 | $253K |
| Corton Capital Inc. | 0.62% | Reduce -8.9% | 16,267 | $250K |
| Allianz Asset Management GmbH | 0.00% | New | 15,200 | $234K |
| China Universal Asset Management Co., Ltd. | 0.02% | Reduce -12.6% | 15,099 | $232K |
| Wealth Enhancement Advisory Services, LLC | 0.00% | New | 12,885 | $212K |
| Public Employees Retirement Association of Colorado | 0.00% | No change | 13,746 | $211K |
| Tower Research Capital LLC (TRC) | 0.01% | Add +56.1% | 13,240 | $204K |
| Pictet Asset Management Holding SA | 0.00% | No change | 12,356 | $190K |
| Guggenheim Capital LLC | 0.00% | Reduce -4.8% | 12,143 | $187K |
| Citigroup Inc. | 0.00% | Reduce -89.6% | 11,670 | $180K |
| Raymond James Financial Inc. | 0.00% | No change | 10,969 | $169K |
| Commonwealth Equity Services, LLC | 0.00% | New | 10,906 | $168K |
| Virtus Investment Advisers, LLC | 0.05% | Add +21.0% | 10,664 | $164K |
| Prudential Financial Inc. | 0.00% | Add +0.4% | 10,395 | $160K |
| Pallas Capital Advisors LLC | 0.01% | New | 10,110 | $156K |
| Farallon Capital Management, L.L.C. | 0.00% | No change | 10,000 | $154K |
| Jefferies Financial Group Inc. | 0.00% | Reduce -60.9% | 9,000 | $138K |
| CANADA LIFE ASSURANCE Co | 0.00% | No change | 7,182 | $112K |
| Ameritas Investment Partners, Inc. | 0.00% | Reduce -9.4% | 7,119 | $110K |
| Cape Investment Advisory, Inc. | 0.10% | Add +0.2% | 6,441 | $99K |
| KBC Group NV | 0.00% | No change | 5,180 | $80K |
| FMR LLC | 0.00% | Reduce -96.8% | 5,101 | $78K |
| Arax Advisory Partners | 0.00% | Add +2265.7% | 4,897 | $75K |
| US Bancorp \de | 0.00% | Add +3.3% | 4,521 | $70K |
| Quantbot Technologies LP | 0.00% | New | 3,471 | $53K |
| Mirae Asset Global Investments Co., Ltd. | 0.00% | Add +0.2% | 3,330 | $51K |
| Larson Financial Group LLC | 0.00% | Add +192.2% | 2,922 | $45K |
| Amalgamated Bank | 0.00% | No change | 2,775 | $43K |
| Osaic Holdings, Inc. | 0.00% | Add +38.8% | 2,614 | $41K |
| PNC Financial Services Group, Inc. | 0.00% | Add +324.2% | 2,138 | $33K |
| GF Fund Management Co. LTD. | 0.00% | Reduce -15.2% | 1,853 | $29K |
| Acadian Asset Management LLC | 0.00% | New | 1,692 | $26K |
| Nisa Investment Advisors, LLC | 0.00% | Add +1.0% | 1,112 | $17K |
| MAI Capital Management | 0.00% | No change | 1,000 | $15K |
| Essential Partners LLC | 0.00% | New | 923 | $14K |
| Versant Capital Management, Inc | 0.00% | Add +2.7% | 844 | $13K |
| Allworth Financial LP | 0.00% | Add +210.4% | 745 | $11K |
| Optiver Holding B.V. | 0.00% | Add +40.7% | 719 | $11K |
| Comerica Bank | 0.00% | Add +5891.7% | 719 | $11K |
| Summit Securities Group LLC | 0.00% | New | 688 | $11K |
| EverSource Wealth Advisors, LLC | 0.00% | Add +4278.6% | 613 | $9K |
| Sterling Capital Management LLC | 0.00% | Add +69.9% | 586 | $9K |
| Principal Securities, Inc. | 0.00% | No change | 400 | $6K |
| Truvestments Capital LLC | 0.00% | Reduce -59.9% | 331 | $5K |
| Daiwa Securities Group Inc. | 0.00% | No change | 314 | $5K |
| C M Bidwell & Associates Ltd. | 0.00% | New | 308 | $5K |
| Jones Financial Companies LLLP | 0.00% | No change | 275 | $4K |
| Steward Partners Investment Advisory, LLC | 0.00% | No change | 231 | $4K |
| Sunbelt Securities, Inc. | 0.00% | New | 230 | $4K |
| True Wealth Design, LLC | 0.00% | Add +736.0% | 209 | $3K |
| Washington Trust Advisors, Inc. | 0.00% | No change | 209 | $3K |
| SBI Securities Co., Ltd. | 0.00% | Reduce -0.5% | 202 | $3K |
| Crowley Wealth Management, Inc. | 0.00% | No change | 200 | $3K |
| GAMMA Investing LLC | 0.00% | Add +330.2% | 185 | $3K |
| Global Retirement Partners, LLC | 0.00% | Reduce -49.8% | 158 | $2K |
| Brown Brothers Harriman & Co. | 0.00% | No change | 128 | $2K |
| Smartleaf Asset Management LLC | 0.00% | Add +86.3% | 95 | $1K |
| Rothschild Investment LLC | 0.00% | Add +72.7% | 95 | $1K |
| Clearstead Advisors, LLC | 0.00% | New | 88 | $1K |
| Bellevue Asset Management, LLC | 0.00% | New | 79 | $1K |
| MassMutual Private Wealth & Trust, FSB | 0.00% | No change | 71 | $1K |
| Avion Wealth | 0.00% | No change | 100 | $1K |
| IFP Advisors, Inc | 0.00% | Add +0.0% | 51 | $785 |
| Caitong International Asset Management Co., Ltd | 0.00% | Reduce -96.3% | 47 | $723 |
| Assetmark, Inc. | 0.00% | New | 40 | $615 |
| Farther Finance Advisors, LLC | 0.00% | Add +60.9% | 37 | $569 |
| Parkside Financial Bank & Trust | 0.00% | New | 35 | $539 |
| Quadrant Capital Group LLC | 0.00% | New | 3 | $47 |
| Covestor Ltd | 0.00% | Reduce -78.4% | 8 | $0 |
"% of holder's portfolio" is SNDX's weight in each manager's 13F, not the share of Syndax Pharmaceuticals Inc. the manager owns.