SYNDAX PHARMACEUTICALS INC (SNDX) is held by institutional investors who disclose positions via SEC 13F filings. View the full list of institutional holders on HoldingsIntel.

Are institutions buying or selling SNDX?

HoldingsIntel tracks quarter-over-quarter changes in institutional positions for SYNDAX PHARMACEUTICALS INC, showing new buyers, position increases, decreases, and exits with conviction-weighted sentiment.

What is the Smart Money Verdict on SNDX?

The Smart Money Verdict combines four independent signals (institutional 13F activity, insider trades, activist filings, and congressional trades) into a single assessment for SYNDAX PHARMACEUTICALS INC.

Is institutional money flowing into SNDX?

128 institutional investors hold SYNDAX PHARMACEUTICALS INC (SNDX). View detailed buyer/seller breakdown on HoldingsIntel.

What do hedge funds think about SNDX?

Track institutional sentiment and conviction scores for SYNDAX PHARMACEUTICALS INC (SNDX) including Smart Money Verdict and position changes on HoldingsIntel.

SYNDAX PHARMACEUTICALS INC

SNDX·87164F105·US·equity·Healthcare - Biotechnology-13D/G

SNDX (SYNDAX PHARMACEUTICALS INC) is held by 128 institutional investors as of Q4 2025. Largest holders: BlackRock, Inc. ($173.1M), VANGUARD GROUP INC ($130.9M), GOLDMAN SACHS GROUP INC ($119.7M). Net institutional sentiment: Mixed.

128

Holders

Avg rating(8 Elite)

$1.3B

Total Value

53% (141)

Fund Consensus

61 buying - 54 selling

Smart Money Verdict- Q4 2025View all

54Mixed MomentumSplit Signals

Held by 128 funds

8 elite

Who's Trading

ActivistThe Vanguard Group0.0%Mar 27, 2026

Activist

13F: Dec 31, 2025Insider & Congress: Updated regularly

Fund	Action	Shares	Value	Weight	Est. P&L	Conviction
BlackRock, Inc.	Decreased	8.2M(-4.5%)	$173.1M	0.0%	+80.09%	0
VANGUARD GROUP INC	Increased	6.2M(+21.3%)	$130.9M	0.0%	+13.22%	36
GOLDMAN SACHS GROUP INC	Increased	5.7M(+3.8%)	$119.7M	0.0%	+82.33%	31
Point72 Asset Management, L.P.	Increased	4.9M(+14.7%)	$102.6M	0.1%	+28.77%	41
BANK OF AMERICA CORP /DE/	Increased	4.7M(+27.4%)	$99M	0.0%	+53.37%	37
STATE STREET CORP	Increased	4.6M(+19.3%)	$96.6M	0.0%	+4.31%	35
FRANKLIN RESOURCES INC	Increased	2.4M(+1.3%)	$50.9M	0.0%	+13.81%	30
Hood River Capital Management LLC	New	2.3M	$48.7M	0.5%	+3.18%	57
GEODE CAPITAL MANAGEMENT, LLC	Decreased	2.1M(-0.0%)	$43.9M	0.0%	+18.48%	0
Ensign Peak Advisors, Inc	Increased	1.6M(+97.6%)	$33.6M	0.1%	+17.88%	46
Nuveen, LLC	Increased	1.5M(+0.5%)	$31.2M	0.0%	+42.27%	29
Woodline Partners LP	Decreased	1.3M(-19.3%)	$26.3M	0.1%	+1.52%	0
D. E. Shaw & Co., Inc.	Increased	1.2M(+13.2%)	$25.6M	0.0%	+36.26%	32
TWO SIGMA INVESTMENTS, LP	Increased	1.1M(+60.9%)	$24.1M	0.0%	+15.14%	41
Bank of New York Mellon Corp	Increased	1.1M(+4.0%)	$23M	0.0%	+26.37%	30
MORGAN STANLEY	Decreased	1.1M(-10.3%)	$22.6M	0.0%	+49.38%	0
AQR CAPITAL MANAGEMENT LLC	Increased	925,974(+65.9%)	$19.5M	0.0%	+24.88%	42
Candriam S.C.A.	Unchanged	925,332	$19.4M	0.1%	+27.34%	0
JANE STREET GROUP, LLC	Increased	748,920(+1.4%)	$15.7M	0.0%	+44.93%	29
NORTHERN TRUST CORP	Decreased	728,921(-6.2%)	$15.3M	0.0%	+38.60%	0
CHARLES SCHWAB INVESTMENT MANAGEMENT INC	Increased	727,424(+1.2%)	$15.3M	0.0%	+17.36%	28
UBS Group AG	Decreased	716,219(-57.2%)	$15M	0.0%	+55.27%	0
Qube Research & Technologies Ltd	Decreased	688,137(-58.2%)	$14.5M	0.0%	+55.88%	0
TWO SIGMA ADVISERS, LP	Increased	632,752(+65.2%)	$13.3M	0.0%	-0.28%	41
ExodusPoint Capital Management, LP	Increased	554,761(+665.6%)	$11.7M	0.1%	+6.66%	45
RENAISSANCE TECHNOLOGIES LLC	Decreased	544,800(-36.7%)	$11.4M	0.0%	+78.80%	0
Brevan Howard Capital Management LP	Increased	515,129(+313.5%)	$10.8M	0.1%	+10.14%	54
JPMORGAN CHASE & CO	Increased	378,504(+49.1%)	$8M	0.0%	+39.77%	38
Aberdeen Group plc	Unchanged	372,792	$7.8M	0.0%	+85.31%	0
BARCLAYS PLC	Decreased	314,672(-9.6%)	$6.6M	0.0%	+53.28%	0
AMERIPRISE FINANCIAL INC	Increased	282,587(+196.1%)	$5.9M	0.0%	+19.42%	44
CAPITAL FUND MANAGEMENT S.A.	Decreased	233,871(-31.5%)	$4.9M	0.0%	+76.09%	0
CANADA PENSION PLAN INVESTMENT BOARD	Unchanged	229,600	$4.8M	0.0%	+37.53%	0
Pinnacle Financial Partners, Inc.	New	206,601	$4.3M	0.0%	+3.18%	37
CITADEL ADVISORS LLC	Decreased	184,003(-66.3%)	$3.9M	0.0%	+64.34%	0
NOMURA ASSET MANAGEMENT INTERNATIONAL INC.	New	180,000	$3.8M	0.0%	+3.18%	37
Hudson Bay Capital Management LP	Decreased	165,000(-34.0%)	$3.5M	0.0%	+46.63%	0
Rafferty Asset Management, LLC	Increased	161,943(+14.2%)	$3.4M	0.0%	-0.48%	30
Swiss National Bank	Increased	161,400(+1.8%)	$3.4M	0.0%	+2.61%	27
WELLS FARGO & COMPANY/MN	Increased	160,850(+182.6%)	$3.4M	0.0%	+24.11%	43
Invesco Ltd.	Increased	160,525(+20.6%)	$3.4M	0.0%	+27.84%	32
SEI INVESTMENTS CO	Increased	159,638(+267.4%)	$3.4M	0.0%	+10.11%	43
UBS AM, a distinct business unit of UBS ASSET MANAGEMENT AMERICAS LLC	Increased	142,407(+6.1%)	$3M	0.0%	+30.66%	28
FMR LLC	Increased	140,560(+2655.5%)	$3M	0.0%	+4.82%	43
HEALTHCARE OF ONTARIO PENSION PLAN TRUST FUND	New	137,629	$2.9M	0.0%	+3.18%	36
PANAGORA ASSET MANAGEMENT INC	Decreased	125,099(-19.5%)	$2.6M	0.0%	+37.53%	0
RHUMBLINE ADVISERS	Decreased	118,799(-9.8%)	$2.5M	0.0%	+28.49%	0
NEOS Investment Management LLC	Decreased	101,553(-7.7%)	$2.1M	0.0%	+90.32%	0
IEQ CAPITAL, LLC	Increased	99,876(+80.9%)	$2.1M	0.0%	+21.84%	40
ALLIANCEBERNSTEIN L.P.	Decreased	94,880(-25.1%)	$2M	0.0%	+29.61%	0
Russell Investments Group, Ltd.	Increased	89,639(+12.7%)	$1.9M	0.0%	+51.09%	29
Trexquant Investment LP	New	87,514	$1.8M	0.0%	+3.18%	36
Legal & General Group Plc	Decreased	78,236(-7.5%)	$1.6M	0.0%	+6.66%	0
CALIFORNIA STATE TEACHERS RETIREMENT SYSTEM	Decreased	78,199(-0.1%)	$1.6M	0.0%	+40.59%	0
STIFEL FINANCIAL CORP	Decreased	75,914(-22.8%)	$1.6M	0.0%	+57.00%	0
DEUTSCHE BANK AG\	Decreased	66,608(-8.1%)	$1.4M	0.0%	+40.10%	0
Mariner, LLC	Increased	54,987(+134.6%)	$1.2M	0.0%	+15.48%	41
VOYA INVESTMENT MANAGEMENT LLC	Decreased	53,582(-35.6%)	$1.1M	0.0%	+35.44%	0
MILLENNIUM MANAGEMENT LLC	Decreased	51,937(-95.0%)	$1.1M	0.0%	+79.93%	0
MetLife Investment Management, LLC	Unchanged	49,732	$1M	0.0%	+23.66%	0
MIRAE ASSET GLOBAL ETFS HOLDINGS Ltd.	Increased	49,045(+4.7%)	$1M	0.0%	+8.15%	26
TUDOR INVESTMENT CORP ET AL	Decreased	47,421(-5.5%)	$996,315	0.0%	+62.37%	0
Man Group plc	Decreased	44,638(-74.5%)	$937,844	0.0%	+92.41%	0
Assenagon Asset Management S.A.	Decreased	41,737(-97.7%)	$876,894	0.0%	+52.14%	0
LOS ANGELES CAPITAL MANAGEMENT LLC	Increased	65,280(+18.2%)	$874,100	0.0%	+30.82%	29
INTECH INVESTMENT MANAGEMENT LLC	Increased	40,793(+20.4%)	$857,061	0.0%	+31.62%	30
STATE OF WISCONSIN INVESTMENT BOARD	Decreased	40,761(-19.0%)	$856,389	0.0%	+76.89%	0
JANUS HENDERSON GROUP PLC	Unchanged	39,335	$827,018	0.0%	-3.18%	0
WELLINGTON MANAGEMENT GROUP LLP	Decreased	35,630(-6.8%)	$748,586	0.0%	-10.35%	0
DnB Asset Management AS	Increased	29,760(+27.8%)	$625,258	0.0%	+19.61%	30
Cerity Partners LLC	Increased	28,856(+7.8%)	$606,265	0.0%	+34.31%	26
DIMENSIONAL FUND ADVISORS LP	Decreased	28,312(-76.7%)	$594,835	0.0%	+60.35%	0
Engineers Gate Manager LP	Decreased	26,265(-85.4%)	$551,828	0.0%	+52.36%	0
SIMPLEX TRADING, LLC	New	25,660	$539,116	0.0%	+3.18%	34
MANUFACTURERS LIFE INSURANCE COMPANY, THE	Decreased	25,461(-11.5%)	$534,936	0.0%	+27.69%	0
NEW YORK STATE COMMON RETIREMENT FUND	Unchanged	25,384	$533,318	0.0%	+22.81%	0
ROYAL BANK OF CANADA	Decreased	25,340(-88.9%)	$532,000	0.0%	+136.23%	0
ENVESTNET ASSET MANAGEMENT INC	New	24,806	$521,174	0.0%	+3.18%	33
Creative Planning	Increased	24,711(+37.5%)	$519,178	0.0%	+23.32%	32
Walleye Capital LLC	Decreased	24,205(-91.9%)	$508,547	0.0%	+55.55%	0
CITIGROUP INC	Increased	23,741(+103.4%)	$498,798	0.0%	+27.45%	39
Police & Firemen's Retirement System of New Jersey	Decreased	23,371(-2.5%)	$491,025	0.0%	+60.98%	0
Cetera Investment Advisers	New	23,116	$485,667	0.0%	+3.18%	33
HSBC HOLDINGS PLC	Decreased	22,731(-59.8%)	$481,670	0.0%	+49.24%	0
Arizona State Retirement System	Decreased	22,813(-5.6%)	$479,301	0.0%	+8.26%	0
Zurcher Kantonalbank (Zurich Cantonalbank)	Unchanged	20,541	$431,566	0.0%	+41.49%	0
Quantinno Capital Management LP	New	20,339	$427,322	0.0%	+3.18%	33
Squarepoint Ops LLC	Decreased	19,814(-44.2%)	$416,292	0.0%	+136.73%	0
WEALTH ENHANCEMENT ADVISORY SERVICES, LLC	Increased	20,195(+56.7%)	$410,766	0.0%	+22.74%	34
ProShare Advisors LLC	Increased	19,388(+9.9%)	$407,341	0.0%	+10.00%	26
STATE BOARD OF ADMINISTRATION OF FLORIDA RETIREMENT SYSTEM	Unchanged	18,968	$398,518	0.0%	+1.65%	0
HighTower Advisors, LLC	Increased	18,940(+8.7%)	$397,929	0.0%	+33.96%	26
XTX Topco Ltd	Decreased	18,476(-39.2%)	$388,181	0.0%	+46.34%	0
Verition Fund Management LLC	Increased	18,460(+7.5%)	$387,845	0.0%	+95.81%	26
SUSQUEHANNA INTERNATIONAL GROUP, LLP	Decreased	18,153(-47.8%)	$381,395	0.0%	+36.82%	0
MERCER GLOBAL ADVISORS INC /ADV	New	17,805	$374,083	0.0%	+3.18%	33
Allspring Global Investments Holdings, LLC	Increased	17,562(+9.0%)	$374,071	0.0%	+33.84%	26
KLP KAPITALFORVALTNING AS	Increased	17,600(+6.0%)	$369,776	0.0%	+64.78%	25
Marex Group plc	New	15,060	$316,411	0.0%	+3.18%	33
Quadrature Capital Ltd	Decreased	14,886(-54.0%)	$312,755	0.0%	+37.53%	0
GUGGENHEIM CAPITAL LLC	Increased	14,538(+19.7%)	$305,444	0.0%	+54.61%	28
BNP PARIBAS FINANCIAL MARKETS	Decreased	14,228(-97.6%)	$298,930	0.0%	+84.82%	0
LAZARD ASSET MANAGEMENT LLC	New	14,140	$297,081	0.0%	+3.18%	32
Schonfeld Strategic Advisors LLC	Decreased	13,100(-90.1%)	$275,230	0.0%	+104.33%	0
Pictet Asset Management Holding SA	Unchanged	12,356	$259,600	0.0%	+136.73%	0
TEACHER RETIREMENT SYSTEM OF TEXAS	Decreased	12,117(-39.5%)	$254,578	0.0%	+4.26%	0
GROUP ONE TRADING LLC	New	11,792	$247,750	0.0%	+3.18%	32
RAYMOND JAMES FINANCIAL INC	Increased	11,127(+1.4%)	$233,778	0.0%	+132.45%	23
FARALLON CAPITAL MANAGEMENT LLC	Unchanged	10,000	$210,100	0.0%	-0.97%	0
VICTORY CAPITAL MANAGEMENT INC	New	9,707	$203,944	0.0%	+3.18%	32
US BANCORP \DE\	Unchanged	4,521	$94,986	0.0%	+62.65%	0
Mirae Asset Global Investments Co., Ltd.	Increased	4,223(+26.8%)	$88,725	0.0%	+11.68%	27
OSAIC HOLDINGS, INC.	Decreased	2,612(-0.1%)	$54,878	0.0%	+19.08%	0
PNC FINANCIAL SERVICES GROUP, INC.	Decreased	2,079(-2.8%)	$43,679	0.0%	+30.00%	0
BNP Paribas Asset Management Holding S.A.	Increased	1.4M(+11.3%)	$28,903	0.0%	+33.17%	22
Allworth Financial LP	Increased	1,129(+51.5%)	$23,721	0.0%	+31.15%	27
NISA INVESTMENT ADVISORS, LLC	Unchanged	1,112	$23,363	0.0%	+19.63%	0
MAI Capital Management	Increased	1,029(+2.9%)	$21,620	0.0%	+67.82%	19
COMERICA BANK	Unchanged	719	$15,106	0.0%	+36.91%	0
Farther Finance Advisors, LLC	Increased	541(+1362.2%)	$11,366	0.0%	+4.01%	28
Rockefeller Capital Management L.P.	New	472	$9,917	0.0%	+3.18%	26
Jefferies Financial Group Inc.	Decreased	413(-95.4%)	$8,677	0.0%	+136.73%	0
Steward Partners Investment Advisory, LLC	Increased	331(+43.3%)	$6,954	0.0%	+0.25%	15
JONES FINANCIAL COMPANIES LLLP	Unchanged	275	$5,778	0.0%	+136.73%	0
Optiver Holding B.V.	Decreased	168(-76.6%)	$3,530	0.0%	+71.38%	0
BROWN BROTHERS HARRIMAN & CO	Unchanged	128	$2,689	0.0%	+136.73%	0
PRICE T ROWE ASSOCIATES INC /MD/	Increased	94,829(+4.0%)	$1,993	0.0%	+17.42%	12
ASSETMARK, INC	Unchanged	40	$840	0.0%	+37.53%	0
MARSHALL WACE, LLP	Exited	0(-100.0%)	$3.6M	0.0%	+128.12%	0
PRUDENTIAL FINANCIAL INC	Exited	0(-100.0%)	$159,902	0.0%	+128.71%	0
MACQUARIE GROUP LTD	Exited	0(-100.0%)	$2.8M	0.0%	+144.86%	0
Phoenix Financial Ltd.	Exited	0(-100.0%)	$488,615	0.0%	+129.42%	0
ADAGE CAPITAL PARTNERS GP, L.L.C.	Exited	0(-100.0%)	$51M	0.0%	+49.75%	0
SCHRODER INVESTMENT MANAGEMENT GROUP	Exited	0(-100.0%)	$1.9M	0.0%	+51.38%	0
Gotham Asset Management, LLC	Exited	0(-100.0%)	$742,265	0.0%	+33.29%	0
KEYBANK NATIONAL ASSOCIATION/OH	Exited	0(-100.0%)	$2.3M	0.0%	+33.29%	0
CIBC WORLD MARKETS CORP	Exited	0(-100.0%)	$98,323	0.0%	+57.36%	0
Allianz Asset Management GmbH	Exited	0(-100.0%)	$233,852	0.0%	+33.29%	0
COMMONWEALTH EQUITY SERVICES, LLC	Exited	0(-100.0%)	$168	0.0%	+33.29%	0
HRT FINANCIAL LP	Exited	0(-100.0%)	$2,279	0.0%	+37.15%	0
Savant Capital, LLC	Exited	0(-100.0%)	$321,209	0.0%	+48.38%	0

SYNDAX PHARMACEUTICALS INC

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