Syndax PharmaceuticalsSNDX

13F holders, Q2 2026 (June 30)
242holders −5
34new positions
39sold out
5famous investors
$21.86avg. 13F price*

At the end of Q2 2026, 242 institutions reported holding Syndax Pharmaceuticals Inc. (SNDX) in their 13F filings, down 5 from Q1 2026. 34 opened new positions and 39 sold out. The largest holders were BlackRock, Inc. ($197.2M), Kynam Capital Management, LP ($176.0M) and Goldman Sachs Group Inc. ($128.1M). 5 famous investors held it, including Israel Englander (0.0% of Millennium 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 Q1 2026 → Q2 2026

InstitutionsTotal Value
New Positions34$90.3M
Exits39$120.3M

All 13F filers, Q1 2026 → Q2 2026: 17,711,500 shares bought and 8,999,569 shares sold, net +8,711,931 shares. Counts holders who added, trimmed, opened or closed a position; split-adjusted.

Ownership 242 holders

BlackRock, Inc. 0.00% Add +9.3% 9,020,006 $197.2M
Kynam Capital Management, LP 9.73% No change 8,050,959 $176.0M
Goldman Sachs Group Inc. 0.01% Add +17.3% 5,861,265 $128.1M
State Street Corp. 0.00% Add +27.7% 5,658,424 $123.7M
Bank of America Corp. 0.01% Reduce -4.8% 4,045,094 $88.4M
Vanguard Capital Management LLC 0.00% Add +2.8% 3,927,892 $85.9M
Deerfield Management Company, L.P. 1.03% No change 3,779,900 $82.6M
Eversept Partners, LP 3.33% Reduce -3.0% 2,798,210 $61.2M
Geode Capital Management, LLC 0.00% Add +19.8% 2,584,136 $56.5M
Hood River Capital Management LLC 0.41% Add +8.9% 2,564,279 $56.1M
Kingdon Capital Management, L.L.C. 7.37% No change 2,500,000 $54.6M
Franklin Resources Inc. 0.01% Add +6.3% 2,286,499 $50.0M
Millennium Management 0.03% Add +929.4% 2,053,960 $44.9M
Vanguard Portfolio Management LLC 0.00% Add +10.6% 1,921,796 $42.0M
UBS Group AG 0.01% Add +64.2% 1,893,750 $41.4M
Elmind Capital, LP 10.19% No change 1,855,000 $40.6M
BNP PARIBAS ASSET MANAGEMENT Holding S.A. 0.04% Add +3.3% 1,790,173 $39.1M
Candriam S.C.A. 0.17% Add +83.3% 1,696,040 $37.0M
Soleus Capital Management, L.P. 1.23% Reduce -5.7% 1,628,039 $35.6M
Two Sigma Investments, LP 0.03% Reduce -0.1% 1,578,125 $34.5M
Orbimed Advisors LLC 0.64% Add +60.2% 1,542,000 $33.7M
Nuveen, LLC 0.01% Reduce -8.7% 1,364,575 $29.8M
MPM Bioimpact LLC 1.78% Reduce -0.5% 1,333,523 $29.2M
Aisling Capital Management LP 6.10% No change 1,316,806 $28.8M
Woodline Partners LP 0.08% No change 1,250,760 $27.3M
D. E. Shaw & Co. 0.02% Reduce -22.6% 1,239,954 $27.1M
Catalio Capital Management, LP 4.99% Add +16.5% 1,215,698 $26.6M
Silverarc Capital Management, LLC 2.95% Add +36.6% 1,214,390 $26.5M
Prosight Management, LP 4.52% Add +55.8% 1,200,000 $26.2M
Trails Edge Capital Partners, LP 3.85% Add +58.2% 1,110,000 $24.3M
Algert Global LLC 0.27% Add +13.2% 1,051,465 $23.0M
Bank of New York Mellon Corp 0.00% Add +3.5% 1,040,079 $22.7M
Sphera Funds Management LTD. 3.17% Add +40.0% 1,014,606 $22.2M
Loomis Sayles & Co. L P 0.03% New 923,624 $20.2M
Parkman Healthcare Partners LLC 1.97% Reduce -2.7% 877,256 $19.2M
Ensign Peak Advisors, Inc 0.03% Reduce -12.4% 867,831 $19.0M
Palo Alto Investors LP 2.61% No change 864,986 $18.9M
AQR Capital Management 0.01% Reduce -13.0% 853,304 $18.7M
Northern Trust Corp. 0.00% Add +11.9% 845,537 $18.5M
Charles Schwab Investment Management Inc. 0.00% Add +13.9% 814,303 $17.8M
Vanguard Fiduciary Trust Co. 0.00% Add +5.5% 633,509 $13.8M
Morgan Stanley 0.00% Reduce -34.1% 588,979 $12.9M
Rhenman & Partners Asset Management AB 1.16% Add +47.7% 560,250 $12.2M
Apis Capital Advisors, LLC 1.18% Add +1.1% 556,000 $12.2M
Panagora Asset Management Inc. 0.04% Add +119.1% 546,517 $11.9M
Qube Research & Technologies Ltd 0.01% Add +1223.8% 477,182 $10.4M
First Trust Advisors LP 0.01% New 456,700 $10.0M
Susquehanna International Group, LLP 0.01% Add +130.9% 454,101 $9.9M
Granahan Investment Management, LLC 0.35% Add +45.9% 446,988 $9.8M
Knott David M Jr 5.05% Add +3.6% 437,245 $9.6M
Jump Financial, LLC 0.09% New 402,846 $8.8M
Aberdeen Group plc 0.01% Add +29.9% 372,766 $8.1M
Squarepoint Ops LLC 0.02% Add +104.0% 370,317 $8.1M
Jupiter Asset Management Ltd. 0.04% New 366,568 $8.0M
HRT Financial LP 0.01% Add +308.5% 363,147 $7.9M
Ameriprise Financial Inc. 0.00% Add +22.0% 346,852 $7.6M
Hennion & Walsh Asset Management, Inc. 0.21% Add +59.6% 342,883 $7.5M
Jones Hill Capital LP 1.58% New 340,000 $7.4M
DAFNA Capital Management LLC 1.40% Add +54.2% 335,255 $7.3M
Envestnet Asset Management Inc. 0.00% Add +682.4% 327,617 $7.2M
Renaissance Technologies 0.01% Reduce -35.5% 321,600 $7.0M
Brevan Howard Capital Management LP 0.10% Add +50.9% 309,065 $6.8M
Alyeska Investment Group, L.P. 0.02% New 308,507 $6.7M
Verition Fund Management LLC 0.05% New 304,939 $6.7M
Mackenzie Financial Corp. 0.01% New 280,079 $6.1M
Citadel Advisors 0.00% Reduce -59.1% 258,278 $5.6M
Trexquant Investment LP 0.03% Add +26.9% 255,949 $5.6M
Sector Gamma As 1.15% Reduce -15.5% 241,739 $5.3M
Schonfeld Strategic Advisors LLC 0.03% Reduce -9.2% 236,717 $5.2M
JPMorgan Chase & Co. 0.00% Reduce -10.5% 231,446 $5.1M
Pinnacle Financial Partners, Inc. 0.03% Add +7.4% 217,173 $4.7M
Man Group plc 0.01% Add +17.4% 213,703 $4.7M
Y-Intercept (Hong Kong) Ltd 0.09% New 212,713 $4.6M
Healthcare of Ontario Pension Plan Trust Fund 0.01% Reduce -37.5% 207,250 $4.5M
Pictet Asset Management Holding SA 0.00% Add +1582.9% 207,936 $4.5M
Vienna Powszechne Towarzystwo Emerytalne S.A. Vienna Insurance Group 1.15% No change 200,000 $4.4M
Citigroup Inc. 0.00% Add +862.5% 195,703 $4.3M
Sei Investments Co. 0.00% Reduce -11.2% 193,134 $4.2M
Nomura Asset Management International Inc. 0.01% No change 180,000 $3.9M
Swiss National Bank 0.00% Add +4.2% 168,100 $3.7M
Atom Investors LP 0.32% Add +4.2% 162,524 $3.6M
UBS AM, a distinct business unit of UBS ASSET MANAGEMENT AMERICAS LLC 0.00% Add +7.7% 161,323 $3.5M
SummitTX Capital, L.P. 0.08% Add +112.2% 140,797 $3.1M
Invesco Ltd. 0.00% Reduce -45.4% 138,060 $3.0M
Russell Investments Group, Ltd. 0.00% Add +33.0% 135,012 $3.0M
Torray Investment Partners LLC 0.43% Add +27.6% 133,835 $2.9M
Rhumbline Advisers 0.00% Add +15.3% 132,358 $2.9M
Wells Fargo & Company 0.00% Add +61.8% 130,054 $2.8M
T. Rowe Price Associates Inc. 0.00% Add +19.7% 128,199 $2.8M
Pale Fire Capital SE 0.20% Reduce -55.9% 125,550 $2.7M
Capital Fund Management S.A. 0.02% Reduce -14.1% 125,091 $2.7M
Wellington Management Group LLP 0.00% Add +0.5% 124,241 $2.7M
PFM Health Sciences, LP 0.22% Reduce -51.7% 118,422 $2.6M
Schroder Investment Management Group 0.00% New 115,208 $2.5M
Alliancebernstein L.P. 0.00% Reduce -63.3% 106,040 $2.5M
Rafferty Asset Management, LLC 0.00% Reduce -21.6% 97,787 $2.1M
Deutsche Bank AG 0.00% Add +27.1% 95,315 $2.1M
California State Teachers Retirement System 0.00% Reduce -9.3% 93,481 $2.0M
Hussman Strategic Advisors, Inc. 0.42% New 84,000 $1.8M
Aquatic Capital Management LLC 0.06% Add +14.2% 78,922 $1.7M
WINTON GROUP Ltd 0.05% Add +642.7% 76,500 $1.7M
Seven Fleet Capital Management LP 0.27% New 77,930 $1.6M
Tema ETFs LLC 0.05% Add +23.8% 72,212 $1.6M
Tidal Investments LLC 0.00% Add +10.5% 72,212 $1.6M
1492 Capital Management LLC 0.43% New 66,997 $1.5M
Legal & General Group Plc 0.00% Add +10.9% 65,483 $1.4M
Virtus Investment Advisers, LLC 0.32% Add +53.8% 63,720 $1.4M
Gsa Capital Partners LLP 0.09% Add +29.3% 62,775 $1.4M
Pavaki Capital Management LLC 0.75% No change 60,000 $1.3M
XTX Topco Ltd 0.02% Reduce -25.1% 59,164 $1.3M
VANGUARD ASSET MANAGEMENT, Ltd 0.00% Add +12.1% 58,406 $1.3M
Headlands Technologies LLC 0.13% Add +121.4% 56,227 $1.2M
Ieq Capital, LLC 0.01% Reduce -50.0% 54,835 $1.2M
MIRAE ASSET GLOBAL ETFS HOLDINGS Ltd. 0.00% Add +6.4% 52,360 $1.1M
MetLife Investment Management, LLC 0.01% Add +10.9% 51,930 $1.1M
Profund Advisors LLC 0.03% Reduce -11.6% 49,412 $1.1M
Barclays PLC 0.00% Reduce -3.2% 48,695 $1.1M
State of Wisconsin Investment Board 0.00% Reduce -1.4% 45,209 $988K
Manufacturers Life Insurance Company, The 0.00% Add +11.0% 44,305 $969K
Stifel Financial Corp. 0.00% Add +4.8% 43,714 $956K
Assenagon Asset Management S.A. 0.00% No change 41,737 $912K
Connor, Clark & Lunn Investment Management Ltd. 0.00% New 40,891 $894K
HighTower Advisors, LLC 0.00% Add +6.3% 39,355 $860K
Jupiter Topco LLC 0.00% — 39,335 $860K
Mariner, LLC 0.00% Reduce -47.9% 38,128 $833K
Victory Capital Management Inc. 0.00% Reduce -1.1% 37,928 $829K
Palumbo Wealth Management LLC 0.17% Add +1.2% 37,631 $823K
Wesbanco Bank Inc. 0.02% No change 37,000 $809K
Voya Investment Management LLC 0.00% Reduce -30.5% 36,874 $806K
Cetera Investment Advisers 0.00% Add +60.1% 36,443 $797K
Zurcher Kantonalbank (Zurich Cantonalbank) 0.00% Add +46.1% 36,151 $790K
Lion Point Capital, LP 3.76% No change 36,000 $787K
Vanguard Global Advisers, LLC 0.00% Reduce -8.1% 34,371 $751K
BNP Paribas Financial Markets 0.00% Reduce -19.3% 32,601 $713K
Diversified Trust Co. 0.01% Add +137.3% 32,420 $709K
New York State Common Retirement Fund 0.00% Add +23.2% 31,284 $684K
SG Americas Securities, LLC 0.00% Reduce -18.9% 31,254 $683K
Inspire Investing, LLC 0.03% Add +40.5% 30,965 $677K
Royal Bank of Canada 0.00% Add +30.7% 30,555 $667K
Quantinno Capital Management LP 0.00% Add +34.8% 30,440 $665K
Twinbeech Capital LP 0.11% Reduce -68.8% 28,077 $614K
State of New Jersey Common Pension Fund D 0.00% Reduce -3.1% 27,093 $592K
Entropy Technologies, LP 0.02% New 26,453 $578K
Police & Firemen's Retirement System of New Jersey 0.00% Add +12.4% 26,262 $574K
Marex Group Ltd 0.00% Add +25.9% 25,260 $552K
Magnetar Financial LLC 0.01% Add +130.7% 24,891 $544K
Intech Investment Management LLC 0.01% Reduce -18.3% 24,760 $541K
Los Angeles Capital Management LLC 0.00% Reduce -16.4% 23,850 $521K
Creative Planning 0.00% Reduce -26.6% 23,415 $512K
Arizona State Retirement System 0.00% Add +2.9% 23,120 $505K
Inceptionr LLC 0.12% New 22,691 $496K
DNB Asset Management AS 0.00% Add +35.2% 22,514 $492K
Harbour Capital Advisors, LLC 0.09% Add +51.3% 20,650 $488K
Wealth Enhancement Advisory Services, LLC 0.00% Reduce -11.5% 19,950 $471K
Engineers Gate Manager LP 0.01% Reduce -44.3% 21,401 $468K
VIRGINIA RETIREMENT SYSTEMS ET Al 0.00% New 21,000 $459K
HSBC Holdings PLC 0.00% Reduce -12.4% 20,539 $457K
PSP Research LLC 0.23% No change 20,000 $437K
Graham Capital Management, L.P. 0.02% New 19,615 $429K
Vanguard Investments Australia, Ltd. 0.00% No change 19,585 $428K
Allspring Global Investments Holdings, LLC 0.00% Add +3.1% 20,166 $421K
State Board of Administration of Florida Retirement System 0.00% No change 18,968 $415K
Mercer Global Advisors Inc. 0.00% Reduce -21.8% 18,490 $404K
Cerity Partners LLC 0.00% Reduce -54.9% 17,623 $385K
KLP Kapitalforvaltning As 0.00% No change 17,600 $385K
Guggenheim Capital LLC 0.00% Reduce -1.7% 15,785 $345K
Sectoral Asset Management Inc. 0.24% Reduce -50.5% 15,680 $343K
Prudential Financial Inc. 0.00% Add +9.5% 14,680 $321K
ProShare Advisors LLC 0.00% Reduce -11.3% 14,564 $318K
China Universal Asset Management Co., Ltd. 0.02% Reduce -9.9% 14,102 $308K
E Fund Management Co., Ltd. 0.01% Reduce -12.1% 13,788 $301K
Public Employees Retirement Association of Colorado 0.00% No change 13,746 $300K
VARCOV Co. 0.11% New 12,972 $284K
Arrowpoint Investment Partners (Singapore) Pte. Ltd. 0.08% New 12,755 $279K
Wedbush Securities Inc. 0.01% Add +40.3% 12,705 $278K
Post Resch Tallon Group Inc. 0.19% No change 12,500 $273K
Letko, Brosseau & Associates Inc. 0.00% New 12,450 $272K
Bank of Montreal 0.00% Reduce -20.4% 12,138 $265K
Velan Capital Investment Management LP 0.13% No change 10,000 $219K
Teacher Retirement System of Texas 0.00% Reduce -7.6% 9,743 $213K
Pallas Capital Advisors LLC 0.01% Reduce -2.6% 9,460 $207K
Bridgefront Capital, LLC 0.05% Reduce -69.8% 9,386 $205K
Allianz Asset Management GmbH 0.00% New 9,300 $203K
Ameritas Investment Partners, Inc. 0.00% Add +13.5% 8,081 $177K
CANADA LIFE ASSURANCE Co 0.00% No change 7,182 $157K
Arax Advisory Partners 0.00% Add +1064.4% 6,812 $149K
Tower Research Capital LLC (TRC) 0.00% Reduce -60.2% 5,743 $126K
Walleye Capital LLC 0.00% Reduce -98.5% 5,636 $123K
FMR LLC 0.00% Reduce -96.8% 5,574 $122K
Group One Trading LLC 0.00% New 4,861 $106K
US Bancorp \de 0.00% Reduce -0.6% 4,544 $99K
Mirae Asset Global Investments Co., Ltd. 0.00% Reduce -13.8% 3,963 $87K
Cape Investment Advisory, Inc. 0.02% New 3,709 $81K
Nykredit A/S 0.00% — 3,279 $72K
Rockefeller Capital Management L.P. 0.00% No change 3,209 $70K
Bayforest Capital Ltd 0.06% New 3,153 $69K
KBC Group NV 0.00% No change 3,062 $67K
Osaic Holdings, Inc. 0.00% Add +32.4% 2,992 $65K
Simplex Trading, LLC 0.00% Reduce -85.6% 2,991 $65K
Smartleaf Asset Management LLC 0.00% No change 2,579 $56K
Larson Financial Group LLC 0.00% Reduce -10.8% 2,313 $51K
Jones Financial Companies LLLP 0.00% Add +290.5% 2,300 $49K
PNC Financial Services Group, Inc. 0.00% Reduce -0.1% 2,085 $46K
GF Fund Management Co. LTD. 0.00% Reduce -4.3% 1,868 $41K
Pacer Advisors, Inc. 0.00% New 1,633 $36K
Allworth Financial LP 0.00% Reduce -30.7% 1,169 $26K
Steward Partners Investment Advisory, LLC 0.00% Add +181.3% 931 $20K
EverSource Wealth Advisors, LLC 0.00% Reduce -14.0% 873 $19K
Versant Capital Management, Inc 0.00% No change 844 $18K
Kemnay Advisory Services Inc. 0.00% Add +9.8% 787 $17K
Hickory Point Bank & Trust 0.01% No change 750 $16K
Fifth Third Bancorp 0.00% Reduce -31.2% 687 $15K
IFP Advisors, Inc 0.00% Reduce -15.4% 669 $15K
Nisa Investment Advisors, LLC 0.00% Reduce -47.0% 600 $13K
Essential Partners LLC 0.01% Reduce -58.7% 598 $13K
Harbour Investments, Inc. 0.00% New 474 $10K
Farther Finance Advisors, LLC 0.00% Reduce -26.3% 426 $9K
GAMMA Investing LLC 0.00% Add +6.4% 417 $9K
State of Wyoming 0.00% New 340 $7K
Sterling Capital Management LLC 0.00% Reduce -55.9% 313 $7K
Optiver Holding B.V. 0.00% Reduce -32.9% 230 $5K
True Wealth Design, LLC 0.00% Reduce -12.6% 228 $5K
Silver Grove Financial Group, Inc. 0.00% New 196 $4K
Global Retirement Partners, LLC 0.00% — 158 $3K
Brown Brothers Harriman & Co. 0.00% No change 128 $3K
SJS Investment Consulting Inc. 0.00% Add +45.1% 119 $3K
Rothschild Investment LLC 0.00% Reduce -61.7% 113 $2K
Avion Wealth 0.00% No change 100 $2K
Northwestern Mutual Wealth Management Co. 0.00% No change 74 $2K
MassMutual Private Wealth & Trust, FSB 0.00% No change 71 $2K
Caitong International Asset Management Co., Ltd 0.00% Reduce -99.9% 48 $1K
Covestor Ltd 0.00% Add +262.5% 29 $1K
Assetmark, Inc. 0.00% No change 40 $874
TD Private Client Wealth LLC 0.00% New 37 $809
Financial Consulate, Inc. 0.00% No change 15 $328
Clearstead Advisors, LLC 0.00% New 10 $219
Signaturefd, LLC 0.00% New 10 $219
Ameritas Advisory Services, LLC 0.00% New 4 $87
Hughes Financial Services, LLC 0.00% Add +50.0% 3 $66
Stone House Investment Management, LLC 0.00% Reduce -97.4% 2 $44
SBI Securities Co., Ltd. 0.00% No change 2 $44
Quarry LP 0.00% New 1 $22

"% of holder's portfolio" is SNDX's weight in each manager's 13F, not the share of Syndax Pharmaceuticals Inc. the manager owns.