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Syndax Pharmaceuticals Inc

SNDX
Exchange
Nasdaq
Industry
Pharmaceutical Preparations
SEC CIK
0001395937

In the last 90 days, Syndax Pharmaceuticals Inc insiders filed 0 open-market purchases and 1 sale; 242 institutions reported holding it in 13F filings for Q2 2026, worth $2.36B in total; no superinvestor holds it.

13F holders, Q2 2023

Institutional positions in Syndax Pharmaceuticals Inc as of Jun 30, 2023. Investment managers with $100 million or more in US stocks report their long positions on Form 13F within 45 days after each quarter ends. How 13F works

Institutional holders
166
+4 vs. Q1 2023
Shares held
70.7M
−2.32M (−3.2%) vs. Q1 2023
Total value
$1.48B
−$61.9M (−4.0%) vs. Q1 2023
New holders
23
83 more added
Sold out
19
42 more reduced

1 institution that held it in Q1 2023 haven't filed for Q2 2023 yet. Not filing isn't selling, so they aren't counted as sold out or in the changes above.

Compare with Q1 2023: new holders, sold out and not filed yet

Holders and value by quarter

Institutions reporting SNDX on Form 13F each quarter since Q1 2021, and the total value they reported. Values are as of each quarter end, so they also move with the share price.

Institutional holdersQ2 2023: 166 institutions
Q1 2021: 130 institutionsQ2 2021: 115 institutionsQ3 2021: 123 institutionsQ4 2021: 132 institutionsQ1 2022: 136 institutionsQ2 2022: 121 institutionsQ3 2022: 139 institutionsQ4 2022: 160 institutionsQ1 2023: 163 institutionsQ2 2023: 166 institutionsQ3 2023: 175 institutionsQ4 2023: 177 institutionsQ1 2024: 189 institutionsQ2 2024: 196 institutionsQ3 2024: 210 institutionsQ4 2024: 216 institutionsQ1 2025: 219 institutionsQ2 2025: 217 institutionsQ3 2025: 227 institutionsQ4 2025: 230 institutionsQ1 2026: 247 institutionsQ2 2026: 242 institutions
Value heldQ2 2023: $1.48B
Q1 2021: $1.08BQ2 2021: $861.9MQ3 2021: $938.0MQ4 2021: $1.15BQ1 2022: $948.4MQ2 2022: $1.06BQ3 2022: $1.44BQ4 2022: $1.82BQ1 2023: $1.54BQ2 2023: $1.48BQ3 2023: $1.03BQ4 2023: $1.92BQ1 2024: $2.15BQ2 2024: $1.79BQ3 2024: $1.71BQ4 2024: $1.30BQ1 2025: $1.24BQ2 2025: $952.6MQ3 2025: $1.56BQ4 2025: $2.10BQ1 2026: $2.32BQ2 2026: $2.36B
Institutions holding SNDX and their total value by quarter
QuarterHoldersValue
Q2 2026242$2.36B
Q1 2026247$2.32B
Q4 2025230$2.10B
Q3 2025227$1.56B
Q2 2025217$952.6M
Q1 2025219$1.24B
Q4 2024216$1.30B
Q3 2024210$1.71B
Q2 2024196$1.79B
Q1 2024189$2.15B
Q4 2023177$1.92B
Q3 2023175$1.03B
Q2 2023166$1.48B
Q1 2023163$1.54B
Q4 2022160$1.82B
Q3 2022139$1.44B
Q2 2022121$1.06B
Q1 2022136$948.4M
Q4 2021132$1.15B
Q3 2021123$938.0M
Q2 2021115$861.9M
Q1 2021130$1.08B

Institutions, Q2 2023

Shares, value and share of portfolio for each institution holding Syndax Pharmaceuticals Inc; share changes are against Q1 2023.

Institutions holding SNDX in Q2 2023
InstitutionSharesValue% of portfolioChange in sharesAction
Covestor Ltd6$00.00%−13−68.4%Reduced
Quadrant Capital Group LLC12$2520.00%−116−90.6%Reduced
Versant Capital Management, Inc23$4810.00%+23New
Allworth Financial LP27$5660.00%00.0%Unchanged
Baker Avenue Asset Management, LP42$8790.00%−21−33.3%Reduced
Massmutual Trust Co FSB61$1.28K0.00%+5+8.9%Added
Lindbrook Capital, LLC75$1.57K0.00%−124−62.3%Reduced
The PNC Financial Services Group, Inc.98$2.05K0.00%00.0%Unchanged
Signaturefd, LLC149$3.12K0.00%−57−27.7%Reduced
Truvestments Capital LLC218$4.56K0.00%00.0%Unchanged
Daiwa Securities Group Inc.242$5.00K0.00%00.0%Unchanged
Global Retirement Partners, LLC315$6.59K0.00%00.0%Unchanged
CWM, LLC593$12.0K0.00%+586+8,371.4%Added
China Universal Asset Management Co., Ltd.902$18.9K0.01%−26−2.8%Reduced
Group One Trading, L.P.1,277$26.7K0.00%−880−40.8%Reduced
Nisa Investment Advisors, LLC1,432$30.0K0.00%+580+68.1%Added
Advisor Group Holdings, Inc.1,700$35.6K0.00%+262+18.2%Added
Allspring Global Investments Holdings, LLC2,501$52.3K0.00%−6,470−72.1%Reduced
Great West Life Assurance Co2,633$55.0K0.00%00.0%Unchanged
Metropolitan Life Insurance Co3,602$75.4K0.00%+348+10.7%Added
US Bancorp4,470$93.6K0.00%−73−1.6%Reduced
Virtus ETF Advisers LLC4,983$104.3K0.06%+863+20.9%Added
Sandia Investment Management LP5,000$104.7K0.03%00.0%Unchanged
Ameritas Investment Partners, Inc.5,441$113.9K0.00%+609+12.6%Added
Exchange Traded Concepts, LLC7,213$151.0K0.00%+6,355+740.7%Added
Royal Bank of Canada7,353$154.0K0.00%+1,202+19.5%Added
Tower Research Capital LLC (TRC)7,530$157.6K0.01%+4,374+138.6%Added
Russell Investments Group, Ltd.8,500$177.9K0.00%+8,500New
Amalgamated Bank9,023$189.0K0.00%+2,482+37.9%Added
Walleye Trading LLC9,677$202.5K0.01%−27,018−73.6%Reduced
Wedbush Securities Inc10,000$209.0K0.01%00.0%Unchanged
HRT Financial LP10,751$225.0K0.00%+10,751New
Worth Venture Partners, LLC10,900$228.1K0.12%+10,900New
Commonwealth Equity Services, LLC11,495$241.0K0.00%+605+5.6%Added
Caption Management, LLC11,800$247.0K0.04%−3,200−21.3%Reduced
Mesirow Financial Investment Management, Inc.12,283$257.1K1.09%+12,283New
Simplify Asset Management Inc.12,809$268.1K0.05%+12,809New
ProShare Advisors LLC13,022$272.5K0.00%+1,196+10.1%Added
Zurcher Kantonalbank (Zurich Cantonalbank)13,072$273.6K0.00%+3,439+35.7%Added
Teacher Retirement System of Texas14,862$311.0K0.00%−1,660−10.0%Reduced
Principle Wealth Partners LLC15,000$313.9K0.03%00.0%Unchanged
Arizona State Retirement System15,391$322.1K0.00%−149−1.0%Reduced
Point72 Middle East FZE15,430$322.9K0.02%+15,430New
PEAK6 Investments LLC16,000$334.9K0.03%+16,000New
Bayesian Capital Management, LP17,669$369.8K0.04%−995−5.3%Reduced
E Fund Management Co., Ltd.18,027$377.0K0.03%+1,962+12.2%Added
Susquehanna International Group, LLP18,670$390.8K0.00%−90,655−82.9%Reduced
State Board of Administration of Florida Retirement System18,708$391.6K0.00%+5,490+41.5%Added
Silverarc Capital Management, LLC20,000$418.6K0.14%+20,000New
Sigma Planning Corp20,760$434.5K0.02%−2,490−10.7%Reduced
AQR Capital Management LLC21,538$450.8K0.00%−1,690−7.3%Reduced
Price T Rowe Associates Inc22,939$481.0K0.00%+11,575+101.9%Added
SEI Investments Co25,104$525.6K0.00%+25,104New
Janus Henderson Group PLC26,480$554.0K0.00%−76−0.3%Reduced
Manufacturers Life Insurance Company, The26,620$557.2K0.00%+5,010+23.2%Added
Allianz Asset Management GmbH26,800$560.9K0.00%+6,800+34.0%Added
STRS Ohio27,000$565.0K0.00%+2,100+8.4%Added
DekaBank Deutsche Girozentrale28,300$568.0K0.00%00.0%Unchanged
PAX Financial Group, LLC27,458$574.7K0.13%+3,750+15.8%Added
CWM Advisors, LLC28,768$602.1K0.07%+2,724+10.5%Added
Public Employees Retirement Association of Colorado29,426$616.0K0.00%+29,426New
New York State Common Retirement Fund29,745$622.6K0.00%+60+0.2%Added
Axiom Investors LLC30,110$630.2K0.01%+1,915+6.8%Added
Invesco Ltd.30,448$637.3K0.00%−179,705−85.5%Reduced
Kiwi Wealth Investments Limited Partnership31,586$661.0K0.04%00.0%Unchanged
American International Group, Inc.31,712$663.7K0.00%+2,673+9.2%Added
HighVista Strategies LLC33,576$702.7K0.32%+7,972+31.1%Added
Principal Financial Group Inc33,749$706.4K0.00%+6,014+21.7%Added
Lion Point Capital, LP34,500$722.1K0.54%+34,500New
MetLife Investment Management34,755$727.4K0.01%+3,126+9.9%Added
Jump Financial, LLC36,286$759.5K0.03%+36,286New
Occudo Quantitative Strategies LP37,004$774.5K0.08%−4,136−10.1%Reduced
BIT Capital GmbH37,300$780.7K0.09%+11,882+46.7%Added
Teachers Retirement System of the State of Kentucky37,433$783.0K0.01%00.0%Unchanged
Mirae Asset Global Investments Co., Ltd.39,492$821.3K0.00%+615+1.6%Added
Squarepoint Ops LLC39,283$822.2K0.00%+39,283New
Inspire Advisors, LLC41,282$864.0K0.17%+5,682+16.0%Added
Jane Street Group, LLC41,585$870.4K0.00%−21,802−34.4%Reduced
FMR LLC41,745$873.7K0.00%+204+0.5%Added
Deutsche Bank AG43,776$916.2K0.00%−13,368−23.4%Reduced
Healthcare of Ontario Pension Plan Trust Fund45,000$941.9K0.00%+45,000New
State of Wisconsin Investment Board47,056$984.9K0.00%−5,333−10.2%Reduced
Alps Advisors Inc50,585$1.06M0.01%+5,496+12.2%Added
Legal & General Group Plc50,687$1.06M0.00%+21,679+74.7%Added
UBS Asset Management Americas Inc53,682$1.13M0.00%00.0%Unchanged
683 Capital Management, LLC60,000$1.26M0.12%−330,000−84.6%Reduced
Engineers Gate Manager LP60,743$1.27M0.05%+9,318+18.1%Added
Profund Advisors LLC60,841$1.27M0.07%+8,236+15.7%Added
Trexquant Investment LP65,657$1.37M0.04%+21,678+49.3%Added
Ergoteles LLC68,764$1.44M0.07%+68,764New
California State Teachers Retirement System70,134$1.47M0.00%+648+0.9%Added
BNP Paribas Arbitrage, SA70,153$1.47M0.00%−45,537−39.4%Reduced
Boothbay Fund Management, LLC76,505$1.60M0.06%+76,505New
Credit Suisse AG82,388$1.72M0.00%+26,689+47.9%Added
Wells Fargo & Company88,897$1.86M0.00%+25,973+41.3%Added
Rhumbline Advisers98,298$2.06M0.00%+7,444+8.2%Added
Balyasny Asset Management LLC99,674$2.09M0.01%+80,572+421.8%Added
Crestline Management, LP112,464$2.35M0.26%+17,255+18.1%Added
UBS Group AG112,716$2.36M0.00%+4,401+4.1%Added
Citigroup Inc116,712$2.44M0.00%−443,703−79.2%Reduced