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

050100150200250 Q1 2024: 189Q1 2024Q2 2024: 196Q2 2024Q3 2024: 210Q3 2024Q4 2024: 215Q4 2024Q1 2025: 218Q1 2025Q2 2025: 216Q2 2025Q3 2025: 227Q3 2025Q4 2025: 230Q4 2025Q1 2026: 247Q1 2026Q2 2026: 242Q2 2026

Total Exit/New Position Q3 2025 → Q4 2025

InstitutionsTotal Value
New Positions27$79.1M
Exits26$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
Simplify Asset Management Inc. 0.02% Add +92.0% 54,715 $1.1M
Voya Investment Management LLC 0.00% Reduce -35.6% 53,582 $1.1M
Twinbeech Capital LP 0.08% Add +19.4% 52,900 $1.1M
Millennium Management 0.00% Reduce -95.0% 51,937 $1.1M
Palumbo Wealth Management LLC 0.27% New 51,368 $1.1M
MetLife Investment Management, LLC 0.01% No change 49,732 $1.0M
MIRAE ASSET GLOBAL ETFS HOLDINGS Ltd. 0.00% Add +4.7% 49,045 $1.0M
Tudor Investment Corporation 0.01% Reduce -5.5% 47,421 $996K
Man Group plc 0.00% Reduce -74.5% 44,638 $938K
Clearline Capital LP 0.07% Add +27.0% 43,413 $912K
Assenagon Asset Management S.A. 0.00% Reduce -97.7% 41,737 $877K
Los Angeles Capital Management LLC 0.00% Add +18.2% 65,280 $874K
Intech Investment Management LLC 0.01% Add +20.4% 40,793 $857K
State of Wisconsin Investment Board 0.00% Reduce -19.0% 40,761 $856K
Fox Run Management, L.L.C. 0.13% Add +13.0% 40,302 $847K
Janus Henderson Group PLC 0.00% No change 39,335 $827K
SummitTX Capital, L.P. 0.02% Reduce -61.1% 39,127 $822K
Wesbanco Bank Inc. 0.02% New 37,000 $777K
Lion Point Capital, LP 3.91% Reduce -34.5% 36,000 $756K
Wellington Management Group LLP 0.00% Reduce -6.8% 35,630 $749K
DekaBank Deutsche Girozentrale 0.00% No change 28,300 $710K
Virtus Investment Advisers, LLC 0.19% Add +214.6% 33,549 $705K
Cwm, LLC 0.00% Add +50.7% 31,912 $670K
DNB Asset Management AS 0.00% Add +27.8% 29,760 $625K
Cerity Partners LLC 0.00% Add +7.8% 28,856 $606K
Dimensional Fund Advisors LP 0.00% Reduce -76.7% 28,312 $595K
Engineers Gate Manager LP 0.01% Reduce -85.4% 26,265 $552K
Simplex Trading, LLC 0.02% New 25,660 $539K
Manufacturers Life Insurance Company, The 0.00% Reduce -11.5% 25,461 $535K
New York State Common Retirement Fund 0.00% No change 25,384 $533K
Royal Bank of Canada 0.00% Reduce -88.9% 25,340 $532K
Envestnet Asset Management Inc. 0.00% New 24,806 $521K
PSP Research LLC 0.45% — 24,716 $519K
Creative Planning 0.00% Add +37.5% 24,711 $519K
Walleye Capital LLC 0.00% Reduce -91.9% 24,205 $509K
Citigroup Inc. 0.00% Add +103.4% 23,741 $499K
Police & Firemen's Retirement System of New Jersey 0.00% Reduce -2.5% 23,371 $491K
Cetera Investment Advisers 0.00% New 23,116 $486K
HSBC Holdings PLC 0.00% Reduce -59.8% 22,731 $482K
Arizona State Retirement System 0.00% Reduce -5.6% 22,813 $479K
Post Resch Tallon Group Inc. 0.40% Reduce -11.6% 22,800 $479K
Gsa Capital Partners LLP 0.04% Add +33.2% 22,523 $473K
Inspire Investing, LLC 0.04% Reduce -23.2% 22,142 $465K
Zurcher Kantonalbank (Zurich Cantonalbank) 0.00% No change 20,541 $432K
Quantinno Capital Management LP 0.00% New 20,339 $427K
Squarepoint Ops LLC 0.00% Reduce -44.2% 19,814 $416K
Bridgefront Capital, LLC 0.10% Reduce -9.6% 19,752 $415K
Wealth Enhancement Advisory Services, LLC 0.00% Add +56.7% 20,195 $411K
ProShare Advisors LLC 0.00% Add +9.9% 19,388 $407K
State Board of Administration of Florida Retirement System 0.00% No change 18,968 $399K
HighTower Advisors, LLC 0.00% Add +8.7% 18,940 $398K
XTX Topco Ltd 0.01% Reduce -39.2% 18,476 $388K
Verition Fund Management LLC 0.00% Add +7.5% 18,460 $388K
Susquehanna International Group, LLP 0.00% Reduce -47.8% 18,153 $381K
Mercer Global Advisors Inc. 0.00% New 17,805 $374K
Allspring Global Investments Holdings, LLC 0.00% Add +9.0% 17,562 $374K
KLP Kapitalforvaltning As 0.00% Add +6.0% 17,600 $370K
Entropy Technologies, LP 0.02% New 15,064 $316K
Marex Group Ltd 0.00% New 15,060 $316K
Quadrature Capital Ltd 0.00% Reduce -54.0% 14,886 $313K
WINTON GROUP Ltd 0.01% Reduce -35.3% 14,574 $306K
Guggenheim Capital LLC 0.00% Add +19.7% 14,538 $305K
BNP Paribas Financial Markets 0.00% Reduce -97.6% 14,228 $299K
China Universal Asset Management Co., Ltd. 0.02% Reduce -6.2% 14,163 $298K
Lazard Asset Management LLC 0.00% New 14,140 $297K
AlphaQuest LLC 0.02% Reduce -76.5% 13,921 $292K
Public Employees Retirement Association of Colorado 0.00% No change 13,746 $289K
Schonfeld Strategic Advisors LLC 0.00% Reduce -90.1% 13,100 $275K
Pictet Asset Management Holding SA 0.00% No change 12,356 $260K
Teacher Retirement System of Texas 0.00% Reduce -39.5% 12,117 $255K
ADAR1 Capital Management, LLC 0.02% New 12,000 $252K
Group One Trading LLC 0.01% New 11,792 $248K
Raymond James Financial Inc. 0.00% Add +1.4% 11,127 $234K
Diversified Trust Co. 0.00% New 11,109 $233K
Pallas Capital Advisors LLC 0.01% Add +8.7% 10,985 $231K
Inceptionr LLC 0.06% New 10,747 $226K
Acadian Asset Management LLC 0.00% Add +501.0% 10,169 $213K
Quarry LP 0.04% Reduce -71.7% 10,000 $210K
Farallon Capital Management, L.L.C. 0.00% No change 10,000 $210K
Victory Capital Management Inc. 0.00% New 9,707 $204K
CANADA LIFE ASSURANCE Co 0.00% No change 7,182 $151K
Ameritas Investment Partners, Inc. 0.00% No change 7,119 $150K
KBC Group NV 0.00% No change 5,180 $109K
Tower Research Capital LLC (TRC) 0.00% Reduce -63.4% 4,844 $102K
Cape Investment Advisory, Inc. 0.03% Reduce -27.6% 4,663 $98K
US Bancorp \de 0.00% No change 4,521 $95K
Mirae Asset Global Investments Co., Ltd. 0.00% Add +26.8% 4,223 $89K
Amalgamated Bank 0.00% Reduce -3.5% 2,677 $56K
Smartleaf Asset Management LLC 0.00% Add +2698.9% 2,659 $55K
Osaic Holdings, Inc. 0.00% Reduce -0.1% 2,612 $55K
Larson Financial Group LLC 0.00% Reduce -18.9% 2,370 $50K
PNC Financial Services Group, Inc. 0.00% Reduce -2.8% 2,079 $44K
Aquatic Capital Management LLC 0.00% New 2,043 $43K
GF Fund Management Co. LTD. 0.00% Reduce -7.8% 1,708 $36K
Essential Partners LLC 0.01% Add +57.6% 1,455 $31K
Quantbot Technologies LP 0.00% Reduce -65.7% 1,189 $25K
Allworth Financial LP 0.00% Add +51.5% 1,129 $24K
Nisa Investment Advisors, LLC 0.00% No change 1,112 $23K
MAI Capital Management 0.00% Add +2.9% 1,029 $22K
EverSource Wealth Advisors, LLC 0.00% Add +61.0% 987 $21K
Sterling Capital Management LLC 0.00% Add +46.3% 857 $18K
Versant Capital Management, Inc 0.00% No change 844 $18K
IFP Advisors, Inc 0.00% Add +1451.0% 791 $17K
Comerica Bank 0.00% No change 719 $15K
Farther Finance Advisors, LLC 0.00% Add +1362.2% 541 $11K
Rockefeller Capital Management L.P. 0.00% New 472 $10K
Jefferies Financial Group Inc. 0.00% Reduce -95.4% 413 $9K
Truvestments Capital LLC 0.00% No change 331 $7K
Steward Partners Investment Advisory, LLC 0.00% Add +43.3% 331 $7K
Arax Advisory Partners 0.00% Reduce -93.5% 317 $7K
C M Bidwell & Associates Ltd. 0.00% No change 308 $6K
GAMMA Investing LLC 0.00% Add +51.4% 280 $6K
Jones Financial Companies LLLP 0.00% No change 275 $6K
Global Retirement Partners, LLC 0.00% Add +70.3% 269 $6K
True Wealth Design, LLC 0.00% Add +24.9% 261 $5K
Sunbelt Securities, Inc. 0.00% Add +13.0% 260 $5K
Daiwa Securities Group Inc. 0.00% Reduce -22.3% 244 $5K
SBI Securities Co., Ltd. 0.00% Add +0.5% 203 $4K
Optiver Holding B.V. 0.00% Reduce -76.6% 168 $4K
Brown Brothers Harriman & Co. 0.00% No change 128 $3K
Rothschild Investment LLC 0.00% Add +31.6% 125 $3K
Avion Wealth 0.00% No change 100 $2K
Bellevue Asset Management, LLC 0.00% No change 79 $2K
MassMutual Private Wealth & Trust, FSB 0.00% No change 71 $1K
SJS Investment Consulting Inc. 0.00% New 55 $1K
Assetmark, Inc. 0.00% No change 40 $840
Clearstead Advisors, LLC 0.00% Reduce -60.2% 35 $736
Basecamp Wealth Advisors LLC 0.00% — 9 $189
Quadrant Capital Group LLC 0.00% No change 3 $64
Covestor Ltd 0.00% No change 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.