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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, Q3 2021

Institutional positions in Syndax Pharmaceuticals Inc as of Sep 30, 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
123
+8 vs. Q2 2021
Shares held
49.1M
−1.13M (−2.2%) vs. Q2 2021
Total value
$938.0M
+$76.1M (+8.8%) vs. Q2 2021
New holders
20
38 more added
Sold out
12
40 more reduced

Compare with Q2 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 holdersQ3 2021: 123 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 heldQ3 2021: $938.0M
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, Q3 2021

Shares, value and share of portfolio for each institution holding Syndax Pharmaceuticals Inc; share changes are against Q2 2021.

Institutions holding SNDX in Q3 2021
InstitutionSharesValue% of portfolioChange in sharesAction
Cypress Capital Management LLC (WY)5$00.00%−76−93.8%Reduced
Signaturefd, LLC42$1.00K0.00%+42New
The PNC Financial Services Group, Inc.98$2.00K0.00%00.0%Unchanged
Daiwa Securities Group Inc.167$3.00K0.00%+74+79.6%Added
Captrust Financial Advisors311$6.00K0.00%00.0%Unchanged
Global Retirement Partners, LLC315$6.00K0.00%+315New
American Portfolios Advisors400$7.64K0.00%00.0%Unchanged
Royal Bank of Canada455$9.00K0.00%−2,623−85.2%Reduced
Arkadios Wealth Advisors510$9.00K0.00%00.0%Unchanged
Point72 Hong Kong Ltd653$12.0K0.00%−3,330−83.6%Reduced
Penserra Capital Management LLC1,115$21.0K0.00%+15+1.4%Added
State of Wyoming1,580$30.0K0.02%+871+122.8%Added
Great West Life Assurance Co1,820$35.0K0.00%00.0%Unchanged
Nisa Investment Advisors, LLC2,400$46.0K0.00%00.0%Unchanged
First Mercantile Trust Co3,433$66.0K0.01%−192−5.3%Reduced
Ameritas Investment Partners, Inc.3,525$67.0K0.00%00.0%Unchanged
US Bancorp4,330$83.0K0.00%00.0%Unchanged
Tower Research Capital LLC (TRC)4,901$94.0K0.00%−907−15.6%Reduced
Optiver Holding B.V.5,147$98.0K0.00%−3,993−43.7%Reduced
Wells Fargo & Company5,451$104.0K0.00%00.0%Unchanged
Zurcher Kantonalbank (Zurich Cantonalbank)6,482$124.0K0.00%+9+0.1%Added
StepStone Group LP8,548$163.0K0.01%+8,548New
Pinz Capital Management, LP9,900$189.0K0.09%+9,900New
Wedbush Securities Inc10,000$191.0K0.01%00.0%Unchanged
Arizona State Retirement System10,514$201.0K0.00%+267+2.6%Added
BNP Paribas Arbitrage, SA10,620$202.9K0.00%+7,502+240.6%Added
HighTower Advisors, LLC10,741$207.0K0.00%+10,741New
Virtus ETF Advisers LLC11,241$215.0K0.09%−594−5.0%Reduced
Connor, Clark & Lunn Investment Management Ltd.11,530$220.0K0.00%+11,530New
Marshall Wace, LLP11,637$222.0K0.00%+11,637New
Walleye Trading LLC11,599$222.0K0.01%+11,599New
State Board of Administration of Florida Retirement System11,949$228.0K0.00%00.0%Unchanged
Legal & General Group Plc12,493$239.0K0.00%+7,450+147.7%Added
Metropolitan Life Insurance Co13,057$249.5K0.00%00.0%Unchanged
Standard Life Aberdeen plc14,248$272.0K0.00%+14,248New
ProShare Advisors LLC16,151$309.0K0.00%−4,183−20.6%Reduced
Cubist Systematic Strategies, LLC16,393$313.0K0.00%−4,773−22.6%Reduced
MetLife Investment Management17,053$325.9K0.00%00.0%Unchanged
Voya Investment Management LLC17,797$340.0K0.00%−155,289−89.7%Reduced
Invesco Ltd.19,993$383.0K0.00%+2,276+12.8%Added
Principle Wealth Partners LLC20,500$392.0K0.05%00.0%Unchanged
Los Angeles Capital Management LLC22,844$437.0K0.00%+5,300+30.2%Added
Manufacturers Life Insurance Company, The23,884$456.0K0.00%−1,686−6.6%Reduced
American International Group, Inc.24,610$470.0K0.00%−586−2.3%Reduced
Sigma Planning Corp24,790$474.0K0.01%−450−1.8%Reduced
DekaBank Deutsche Girozentrale25,000$481.0K0.00%00.0%Unchanged
Credit Suisse AG26,611$508.0K0.00%+2,666+11.1%Added
Parametric Portfolio Associates LLC26,700$510.0K0.00%−4,589−14.7%Reduced
SG Americas Securities, LLC28,250$540.0K0.00%+28,250New
Vanderbilt University28,497$544.6K0.13%+28,497New
HarbourVest Partners LLC28,498$545.0K0.05%+28,498New
Lexington Partners L.P.28,499$545.0K0.29%+28,499New
Deutsche Bank AG28,717$548.0K0.00%−1,736−5.7%Reduced
TD Asset Management Inc28,671$548.0K0.00%00.0%Unchanged
Alliancebernstein L.P.32,200$615.0K0.00%00.0%Unchanged
New York State Common Retirement Fund32,465$620.0K0.00%−6,286−16.2%Reduced
Millennium Management LLC36,851$704.0K0.00%−166,994−81.9%Reduced
UBS Asset Management Americas Inc38,872$742.8K0.00%−3,800−8.9%Reduced
HighVista Strategies LLC45,584$872.0K0.58%−2,230−4.7%Reduced
Ergoteles LLC47,068$899.0K0.03%+47,068New
Teachers Retirement System of the State of Kentucky50,610$967.0K0.01%+6,992+16.0%Added
Citigroup Inc54,064$1.03M0.00%−159,296−74.7%Reduced
California State Teachers Retirement System55,847$1.07M0.00%−6,181−10.0%Reduced
Rhumbline Advisers57,499$1.10M0.00%+2,100+3.8%Added
Alps Advisors Inc59,593$1.14M0.01%−3,948−6.2%Reduced
UBS Group AG70,513$1.35M0.00%+52,141+283.8%Added
Rafferty Asset Management, LLC73,732$1.41M0.01%−64,440−46.6%Reduced
State of Wisconsin Investment Board74,600$1.43M0.00%−1,400−1.8%Reduced
JPMorgan Chase & Co74,982$1.43M0.00%+55,433+283.6%Added
Schonfeld Strategic Advisors LLC75,600$1.45M0.02%−43,801−36.7%Reduced
Kennedy Capital Management, Inc.78,083$1.49M0.03%+78,083New
DAFNA Capital Management LLC80,702$1.54M0.41%−67,000−45.4%Reduced
Swiss National Bank85,300$1.63M0.00%+2,200+2.6%Added
Bank of America Corp90,177$1.72M0.00%+57,340+174.6%Added
Gyon Technologies Capital Management, LP92,385$1.76M0.48%+92,385New
Altium Capital Management LP108,000$2.06M0.55%+108,000New
Two Sigma Investments, LP109,980$2.10M0.01%−2,359−2.1%Reduced
Baker Bros. Advisors LP110,729$2.12M0.01%+110,729New
Bank of New York Mellon Corp168,350$3.22M0.00%+21,405+14.6%Added
Nuveen Asset Management, LLC174,670$3.46M0.00%−42,244−19.5%Reduced
Macquarie Group Ltd180,991$3.46M0.00%00.0%Unchanged
OrbiMed Advisors LLC190,600$3.64M0.04%+190,600New
Ensign Peak Advisors, Inc198,602$3.80M0.01%+142,484+253.9%Added
Panagora Asset Management Inc204,181$3.90M0.02%−1,820−0.9%Reduced
Acuta Capital Partners, LLC206,126$3.94M1.40%00.0%Unchanged
Phoenix Holdings Ltd.210,000$4.01M0.07%+100,000+90.9%Added
Morgan Stanley253,139$4.84M0.00%+204,243+417.7%Added
Lord, Abbett & Co. LLC290,844$5.56M0.01%−3,765−1.3%Reduced
Charles Schwab Investment Management Inc302,527$5.78M0.00%+32,896+12.2%Added
Vivo Capital, LLC320,000$6.12M0.27%00.0%Unchanged
Goldman Sachs Group Inc320,108$6.12M0.00%−756,660−70.3%Reduced
Susquehanna International Group, LLP333,806$6.38M0.01%+225,948+209.5%Added
D. E. Shaw & Co., Inc.337,146$6.44M0.01%−73,321−17.9%Reduced
Two Sigma Advisers, LP341,852$6.53M0.02%−86,600−20.2%Reduced
Barclays PLC402,388$7.69M0.01%+345,050+601.8%Added
Sofinnova Investments, Inc.413,841$7.91M0.51%+413,841New
Palo Alto Investors LP444,900$8.50M0.51%+43,800+10.9%Added
Northern Trust Corp458,176$8.76M0.00%−761−0.2%Reduced
Point72 Asset Management, L.P.460,900$8.81M0.04%+148,500+47.5%Added
Price T Rowe Associates Inc516,098$9.86M0.00%+95,678+22.8%Added