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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, Q1 2021

Institutional positions in Syndax Pharmaceuticals Inc as of Mar 31, 2021. 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
130
No complete 13F data for Q4 2020
Shares held
48.5M
No complete 13F data for Q4 2020
Total value
$1.08B
No complete 13F data for Q4 2020

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 holdersQ1 2021: 130 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 heldQ1 2021: $1.08B
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, Q1 2021

Shares, value and share of portfolio for each institution holding Syndax Pharmaceuticals Inc.

Livermore's 13F data starts with Q1 2021, so Q1 2021 has no change from the previous quarter.

Institutions holding SNDX in Q1 2021
InstitutionSharesValue% of portfolioChange in sharesAction
Avidity Partners Management LP3,846,000$86.0M2.40%––
Wellington Management Group LLP2,974,992$66.5M0.01%––
BlackRock Inc.2,677,505$59.9M0.00%––
State Street Corp2,653,471$59.3M0.00%––
Avoro Capital Advisors LLC2,500,000$55.9M0.97%––
Boxer Capital, LLC2,287,782$51.2M1.73%––
Citadel Advisors LLC2,230,123$49.9M0.05%––
Vanguard Group Inc2,070,948$46.3M0.00%––
Eventide Asset Management, LLC2,016,993$45.1M0.67%––
Nantahala Capital Management, LLC2,002,410$44.8M2.55%––
Adage Capital Partners GP, L.L.C.1,750,000$39.1M0.08%––
PFM Health Sciences, LP1,484,227$33.2M1.16%––
Frazier Management LLC1,435,045$32.1M2.57%––
HealthCor Management, L.P.1,371,480$30.7M1.14%––
Ghost Tree Capital, LLC1,175,000$26.3M7.36%––
Aisling Capital Management LP1,025,000$22.9M4.13%––
Ra Capital Management, L.P.1,023,067$22.9M0.34%––
Casdin Capital, LLC1,000,000$22.4M0.67%––
Point72 Asset Management, L.P.946,800$21.2M0.11%––
683 Capital Management, LLC835,000$18.7M1.21%––
Dimensional Fund Advisors LP709,639$15.8M0.01%––
Sphera Funds Management Ltd.638,093$14.3M1.31%––
VR Adviser, LLC591,782$13.2M1.44%––
Two Sigma Advisers, LP581,752$13.0M0.04%––
D. E. Shaw & Co., Inc.573,938$12.8M0.02%––
Geode Capital Management, LLC566,923$12.7M0.00%––
Goldman Sachs Group Inc563,605$12.6M0.00%––
Price T Rowe Associates Inc439,017$9.82M0.00%––
Northern Trust Corp365,486$8.17M0.00%––
Vivo Capital, LLC320,000$7.16M0.25%––
Sofinnova Investments, Inc.298,644$6.68M0.42%––
Perceptive Advisors LLC270,000$6.04M0.08%––
Palo Alto Investors LP264,200$5.91M0.34%––
Acuta Capital Partners, LLC255,180$5.71M2.06%––
Altium Capital Management LP253,448$5.67M1.57%––
Two Sigma Investments, LP241,414$5.40M0.02%––
Commodore Capital LP236,500$5.29M2.11%––
Charles Schwab Investment Management Inc230,933$5.16M0.00%––
Putnam Investments LLC205,040$4.58M0.01%––
Macquarie Group Ltd180,991$4.05M0.01%––
Citigroup Inc180,294$4.03M0.00%––
Tri Locum Partners LP180,261$4.03M1.29%––
BVF Inc163,524$3.66M0.14%––
Susquehanna International Group, LLP154,834$3.46M0.00%––
Voya Investment Management LLC151,646$3.39M0.01%––
Sio Capital Management, LLC146,142$3.27M0.68%––
Rafferty Asset Management, LLC145,441$3.25M0.02%––
Janus Henderson Group PLC141,325$3.16M0.00%––
Nuveen Asset Management, LLC138,191$3.09M0.00%––
Bank of New York Mellon Corp130,515$2.92M0.00%––
Schonfeld Strategic Advisors LLC124,502$2.78M0.04%––
Panagora Asset Management Inc122,640$2.74M0.02%––
Bank of America Corp103,111$2.31M0.00%––
Swiss National Bank74,100$1.66M0.00%––
Barclays PLC72,159$1.61M0.00%––
Russell Investments Group, Ltd.64,102$1.43M0.00%––
UBS Group AG63,372$1.42M0.00%––
DAFNA Capital Management LLC57,500$1.29M0.31%––
Ensign Peak Advisors, Inc56,118$1.25M0.00%––
California Public Employees Retirement System54,600$1.22M0.00%––
State of Wisconsin Investment Board53,500$1.20M0.00%––
Caption Management, LLC53,000$1.19M0.15%––
Morgan Stanley49,247$1.10M0.00%––
California State Teachers Retirement System46,910$1.05M0.00%––
Teachers Retirement System of the State of Kentucky43,618$975.0K0.01%––
Ikarian Capital, LLC40,913$914.0K0.14%––
UBS Asset Management Americas Inc38,387$858.3K0.00%––
HighVista Strategies LLC34,873$779.0K0.58%––
Quantitative Systematic Strategies LLC34,169$764.0K0.12%––
Rhumbline Advisers31,768$710.0K0.00%––
Parametric Portfolio Associates LLC31,669$708.0K0.00%––
TD Asset Management Inc28,671$641.0K0.00%––
Alliancebernstein L.P.27,500$615.0K0.00%––
Squarepoint Ops LLC26,639$596.0K0.01%––
Credit Suisse AG25,893$578.0K0.00%––
Sigma Planning Corp25,440$569.0K0.02%––
New York State Common Retirement Fund24,700$552.0K0.00%––
Candriam Luxembourg S.C.A.25,671$548.0K0.00%––
Marshall Wace North America L.P.24,190$541.0K0.00%––
Engineers Gate Manager LP23,368$523.0K0.03%––
DekaBank Deutsche Girozentrale25,000$517.0K0.00%––
Deutsche Bank AG22,418$501.0K0.00%––
Principle Wealth Partners LLC20,500$458.0K0.06%––
Silverarc Capital Management, LLC20,000$447.0K0.25%––
Jane Street Group, LLC19,033$425.0K0.00%––
AQR Capital Management LLC18,680$418.0K0.00%––
American International Group, Inc.18,126$405.0K0.00%––
Manufacturers Life Insurance Company, The18,007$403.0K0.00%––
Cubist Systematic Strategies, LLC16,751$375.0K0.00%––
ProShare Advisors LLC14,856$332.0K0.00%––
Virtus ETF Advisers LLC11,828$264.0K0.11%––
BNP Paribas Arbitrage, SA11,747$262.7K0.00%––
JPMorgan Chase & Co11,718$262.0K0.00%––
MetLife Investment Management11,215$250.8K0.00%––
ExodusPoint Capital Management, LP10,359$232.0K0.00%––
Wedbush Securities Inc10,000$224.0K0.01%––
Wells Fargo & Company9,855$219.0K0.00%––
Invesco Ltd.9,648$216.0K0.00%––
Algert Global LLC9,550$214.0K0.07%––
Arizona State Retirement System9,435$211.0K0.00%––