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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 2022

Institutional positions in Syndax Pharmaceuticals Inc as of Mar 31, 2022. 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
136
+4 vs. Q4 2021
Shares held
54.6M
+2.14M (+4.1%) vs. Q4 2021
Total value
$948.4M
−$198.6M (−17.3%) vs. Q4 2021
New holders
27
53 more added
Sold out
23
31 more reduced

Compare with Q4 2021: 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 holdersQ1 2022: 136 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 2022: $948.4M
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 2022

Shares, value and share of portfolio for each institution holding Syndax Pharmaceuticals Inc; share changes are against Q4 2021.

Institutions holding SNDX in Q1 2022
InstitutionSharesValue% of portfolioChange in sharesAction
Legal & General Group Plc13,365$232.0K0.00%+872+7.0%Added
State Board of Administration of Florida Retirement System12,798$222.0K0.00%00.0%Unchanged
Delphia (USA) Inc.11,740$204.0K0.15%+11,740New
Wells Fargo & Company11,394$198.0K0.00%−14,768−56.4%Reduced
Arizona State Retirement System10,681$186.0K0.00%+211+2.0%Added
Wedbush Securities Inc10,000$174.0K0.01%00.0%Unchanged
Telemetry Investments, L.L.C.10,000$174.0K0.28%+10,000New
Virtus ETF Advisers LLC8,723$152.0K0.07%−515−5.6%Reduced
State of Wyoming5,933$103.0K0.05%+4,181+238.6%Added
Amalgamated Bank5,880$102.0K0.00%+5,880New
Amalgamated Financial Corp.5,880$102.0K0.00%+5,880New
Zurcher Kantonalbank (Zurich Cantonalbank)5,273$92.0K0.00%−1,033−16.4%Reduced
Quantbot Technologies LP4,900$85.0K0.01%−446−8.3%Reduced
US Bancorp4,330$75.0K0.00%00.0%Unchanged
Lazard Asset Management LLC4,040$70.0K0.00%+26+0.6%Added
Prospera Financial Services Inc3,781$66.0K0.00%+3,781New
Ameritas Investment Partners, Inc.3,525$61.0K0.00%00.0%Unchanged
Metropolitan Life Insurance Co3,081$53.5K0.00%−9,976−76.4%Reduced
Royal Bank of Canada3,016$52.0K0.00%−5,715−65.5%Reduced
Point72 Hong Kong Ltd2,350$41.0K0.00%+2,350New
Tower Research Capital LLC (TRC)2,311$40.0K0.00%−4,782−67.4%Reduced
Nisa Investment Advisors, LLC2,160$38.0K0.00%00.0%Unchanged
High Net Worth Advisory Group LLC2,000$35.0K0.01%00.0%Unchanged
Great West Life Assurance Co1,820$34.0K0.00%00.0%Unchanged
Advisor Group Holdings, Inc.1,250$22.0K0.00%+1,000+400.0%Added
Simplex Trading, LLC951$16.0K0.00%−1,484−60.9%Reduced
Global Retirement Partners, LLC481$7.00K0.00%+481New
American Portfolios Advisors400$6.95K0.00%00.0%Unchanged
Captrust Financial Advisors288$5.00K0.00%−23−7.4%Reduced
TCI Wealth Advisors, Inc.246$4.00K0.00%00.0%Unchanged
Daiwa Securities Group Inc.167$3.00K0.00%00.0%Unchanged
Money Concepts Capital Corp200$3.00K0.00%+200New
The PNC Financial Services Group, Inc.98$2.00K0.00%00.0%Unchanged
Massmutual Trust Co FSB37$1.00K0.00%+37New
Signaturefd, LLC52$1.00K0.00%+52New
Quent Capital, LLC59$1.00K0.00%+59New
Frazier Management LLC0$00.00%−2,772,062−100.0%Sold out
Woodline Partners LP0$00.00%−310,377−100.0%Sold out
Assenagon Asset Management S.A.0$00.00%−283,954−100.0%Sold out
Affinity Asset Advisors, LLC0$00.00%−175,000−100.0%Sold out
D. E. Shaw & Co., Inc.0$00.00%−123,303−100.0%Sold out
Walleye Trading LLC0$00.00%−111,382−100.0%Sold out
Ghisallo Capital Management LLC0$00.00%−50,000−100.0%Sold out
Caption Management, LLC0$00.00%−46,226−100.0%Sold out
Brookfield Asset Management Inc.0$00.00%−41,931−100.0%Sold out
HighVista Strategies LLC0$00.00%−38,347−100.0%Sold out
Ergoteles LLC0$00.00%−34,997−100.0%Sold out
Caas Capital Management LP0$00.00%−26,376−100.0%Sold out
Laurion Capital Management LP0$00.00%−25,000−100.0%Sold out
Maven Securities LTD0$00.00%−23,529−100.0%Sold out
Jane Street Group, LLC0$00.00%−21,778−100.0%Sold out
Schonfeld Strategic Advisors LLC0$00.00%−12,300−100.0%Sold out
Blueshift Asset Management, LLC0$00.00%−9,860−100.0%Sold out
Optiver Holding B.V.0$00.00%−5,147−100.0%Sold out
Cross Creek Advisors, LLC0$00.00%−2,649−100.0%Sold out
Aquatic Capital Management LLC0$00.00%−500−100.0%Sold out
Cowen and Company, LLC0$00.00%−377−100.0%Sold out
Cypress Capital Management LLC (WY)0$00.00%−5−100.0%Sold out
Parallel Advisors, LLC0$00.00%−13−100.0%Sold out