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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 2024

Institutional positions in Syndax Pharmaceuticals Inc as of Jun 30, 2024. 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
196
+8 vs. Q1 2024
Shares held
87.4M
−2.85M (−3.2%) vs. Q1 2024
Total value
$1.79B
−$353.3M (−16.5%) vs. Q1 2024
New holders
26
87 more added
Sold out
18
59 more reduced

1 institution that held it in Q1 2024 haven't filed for Q2 2024 yet. Not filing isn't selling, so they aren't counted as sold out or in the changes above.

Compare with Q1 2024: 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 2024: 196 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 2024: $1.79B
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 2024

Shares, value and share of portfolio for each institution holding Syndax Pharmaceuticals Inc; share changes are against Q1 2024.

Institutions holding SNDX in Q2 2024
InstitutionSharesValue% of portfolioChange in sharesAction
Lighthouse Investment Partners, LLC0$00.00%−55,297−100.0%Sold out
American International Group, Inc.0$00.00%−38,832−100.0%Sold out
TD Asset Management Inc0$00.00%−30,760−100.0%Sold out
Scientech Research LLC0$00.00%−23,520−100.0%Sold out
HighVista Strategies LLC0$00.00%−21,519−100.0%Sold out
First Trust Advisors LP0$00.00%−17,033−100.0%Sold out
Entropy Technologies, LP0$00.00%−16,590−100.0%Sold out
Diversified Trust Co0$00.00%−15,523−100.0%Sold out
Principle Wealth Partners LLC0$00.00%−15,000−100.0%Sold out
Clear Harbor Asset Management, LLC0$00.00%−8,956−100.0%Sold out
Metropolitan Life Insurance Co0$00.00%−4,150−100.0%Sold out
Truvestments Capital LLC0$00.00%−218−100.0%Sold out
Riggs Asset Managment Co. Inc.0$00.00%−26−100.0%Sold out
Nelson, Van Denburg & Campbell Wealth Management Group, LLC0$00.00%−13−100.0%Sold out
Credit Suisse AG––––Not filed