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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, Q4 2023

Institutional positions in Syndax Pharmaceuticals Inc as of Dec 31, 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
177
+2 vs. Q3 2023
Shares held
88.7M
+17.6M (+24.8%) vs. Q3 2023
Total value
$1.92B
+$884.5M (+85.8%) vs. Q3 2023
New holders
36
82 more added
Sold out
34
42 more reduced

Compare with Q3 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 holdersQ4 2023: 177 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 heldQ4 2023: $1.92B
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, Q4 2023

Shares, value and share of portfolio for each institution holding Syndax Pharmaceuticals Inc; share changes are against Q3 2023.

Institutions holding SNDX in Q4 2023
InstitutionSharesValue% of portfolioChange in sharesAction
Wellington Management Group LLP7,585,221$163.9M0.03%−57,225−0.7%Reduced
BlackRock Inc.7,015,548$151.6M0.00%+1,132,912+19.3%Added
Kynam Capital Management, LP5,660,000$122.3M13.84%+2,060,000+57.2%Added
State Street Corp5,016,224$108.4M0.01%+1,415,576+39.3%Added
Vanguard Group Inc4,335,353$93.7M0.00%+718,051+19.9%Added
Avoro Capital Advisors LLC4,222,222$91.2M1.26%+1,666,667+65.2%Added
Avidity Partners Management LP3,950,000$85.4M3.26%+1,129,000+40.0%Added
Eversept Partners, LP3,383,244$73.1M7.17%+786,999+30.3%Added
Point72 Asset Management, L.P.2,834,499$61.3M0.19%+740,298+35.3%Added
T. Rowe Price Investment Management, Inc.2,711,253$58.6M0.04%+1,644,705+154.2%Added
Marshall Wace, LLP2,101,911$45.4M0.09%+1,497,949+248.0%Added
BVF Inc1,875,000$40.5M1.01%+1,875,000New
OrbiMed Advisors LLC1,749,000$37.8M0.76%+465,000+36.2%Added
Morgan Stanley1,664,306$36.0M0.00%+1,114,277+202.6%Added
Woodline Partners LP1,544,216$33.4M0.36%+1,510,149+4,432.9%Added
Geode Capital Management, LLC1,535,055$33.2M0.00%+174,135+12.8%Added
Franklin Resources Inc1,352,905$29.2M0.01%+1,352,905New
Goldman Sachs Group Inc1,250,948$27.0M0.01%−16,800−1.3%Reduced
Cormorant Asset Management, LP1,175,000$25.4M1.22%+1,175,000New
StemPoint Capital LP1,094,494$23.7M6.37%+1,094,494New
Sofinnova Investments, Inc.1,075,786$23.2M1.30%+133,969+14.2%Added
Aisling Capital Management LP1,025,000$22.2M6.61%00.0%Unchanged
Candriam Luxembourg S.C.A.1,021,032$22.1M0.15%+781,022+325.4%Added
Bank of America Corp984,258$21.3M0.00%+724,400+278.8%Added
Millennium Management LLC942,642$20.4M0.02%+502,872+114.3%Added
Adage Capital Partners GP, L.L.C.900,000$19.4M0.04%−100,000−10.0%Reduced
Foresite Capital Management IV, LLC875,000$18.9M9.56%00.0%Unchanged
JPMorgan Chase & Co780,930$16.9M0.00%+51,832+7.1%Added
Healthcare of Ontario Pension Plan Trust Fund780,000$16.9M0.06%+780,000New
Sphera Funds Management Ltd.772,964$16.7M3.10%−970.0%Reduced
Kingdon Capital Management, L.L.C.746,293$16.1M3.07%+746,293New
DAFNA Capital Management LLC742,574$16.0M3.85%+284,201+62.0%Added
Parkman Healthcare Partners LLC738,589$16.0M2.26%+526,141+247.7%Added
Northern Trust Corp678,105$14.7M0.00%+42,580+6.7%Added
Nuveen Asset Management, LLC624,010$13.5M0.00%+450,571+259.8%Added
PFM Health Sciences, LP595,523$12.9M0.77%−2,119,712−78.1%Reduced
Charles Schwab Investment Management Inc577,022$12.5M0.00%+70,555+13.9%Added
Two Sigma Investments, LP535,938$11.6M0.03%+104,373+24.2%Added
Algert Global LLC528,157$11.4M0.46%+71,938+15.8%Added
Saturn V Capital Management LLC518,799$11.2M4.29%−289,170−35.8%Reduced
Ensign Peak Advisors, Inc514,852$11.1M0.02%00.0%Unchanged
Soleus Capital Management, L.P.514,000$11.1M1.23%+394,500+330.1%Added
Ameriprise Financial Inc506,009$10.9M0.00%+6,488+1.3%Added
Palo Alto Investors LP472,600$10.2M0.92%00.0%Unchanged
Schonfeld Strategic Advisors LLC471,475$10.2M0.08%+253,062+115.9%Added
Assenagon Asset Management S.A.411,965$8.90M0.03%+21,427+5.5%Added
Rafferty Asset Management, LLC403,381$8.72M0.04%+119,257+42.0%Added
Nantahala Capital Management, LLC365,259$7.89M0.79%+125,228+52.2%Added
ExodusPoint Capital Management, LP353,252$7.63M0.09%+197,538+126.9%Added
Granahan Investment Management Inc320,911$6.93M0.23%+320,911New
UBS Group AG290,801$6.28M0.00%+215,444+285.9%Added
Zimmer Partners, LP275,100$5.94M0.22%+275,100New
Barclays PLC255,877$5.53M0.00%−166,131−39.4%Reduced
Macquarie Group Ltd244,090$5.28M0.01%+11,624+5.0%Added
Citadel Advisors LLC242,985$5.25M0.01%−192,508−44.2%Reduced
Bank of New York Mellon Corp230,858$4.99M0.00%+3,354+1.5%Added
Peregrine Capital Management LLC196,033$4.24M0.13%−23,941−10.9%Reduced
Panagora Asset Management Inc174,144$3.76M0.02%+82,645+90.3%Added
Voya Investment Management LLC166,033$3.59M0.00%+117,144+239.6%Added
Balyasny Asset Management LLC165,018$3.57M0.01%+16,494+11.1%Added
BNP Paribas Arbitrage, SA162,905$3.52M0.01%+44,906+38.1%Added
Citigroup Inc162,406$3.51M0.00%+42,174+35.1%Added
State of New Jersey Common Pension Fund D159,803$3.45M0.01%+26,769+20.1%Added
Two Sigma Advisers, LP151,452$3.27M0.01%+84,400+125.9%Added
Casdin Capital, LLC150,000$3.24M0.32%+150,000New
Trexquant Investment LP143,514$3.10M0.07%+143,514New
Verition Fund Management LLC143,266$3.10M0.03%+128,266+855.1%Added
Swiss National Bank142,400$3.08M0.00%+21,400+17.7%Added
Walleye Capital LLC127,932$2.76M0.04%+127,932New
Yelin Lapidot Holdings Management Ltd.114,530$2.47M0.60%00.0%Unchanged
Dimensional Fund Advisors LP109,303$2.36M0.00%+3,163+3.0%Added
Jane Street Group, LLC107,066$2.31M0.00%−43,065−28.7%Reduced
Crestline Management, LP100,649$2.18M0.20%−33,815−25.1%Reduced
UBS Oconnor LLC95,949$2.07M0.07%+95,949New
Rhumbline Advisers95,317$2.06M0.00%−3,652−3.7%Reduced
UBS Asset Management Americas Inc93,067$2.01M0.00%+16,404+21.4%Added
Sectoral Asset Management Inc92,060$1.99M0.86%+92,060New
Axiom Investors LLC86,175$1.86M0.02%+75,355+696.4%Added
Twinbeech Capital LP83,456$1.80M0.03%−104,654−55.6%Reduced
State of Wisconsin Investment Board78,758$1.70M0.00%+24,302+44.6%Added
Alliancebernstein L.P.77,460$1.67M0.00%00.0%Unchanged
California State Teachers Retirement System75,407$1.63M0.00%+12,215+19.3%Added
Credit Suisse AG72,775$1.57M0.00%+1,635+2.3%Added
Tudor Investment Corp Et Al68,981$1.49M0.02%+39,042+130.4%Added
Polar Asset Management Partners Inc.67,100$1.45M0.04%+67,100New
Profund Advisors LLC65,182$1.41M0.06%+17,140+35.7%Added
Simplex Trading, LLC64,030$1.38M0.04%+64,030New
Qube Research & Technologies Ltd57,361$1.24M0.00%−149,033−72.2%Reduced
Principal Financial Group Inc55,194$1.19M0.00%+12,074+28.0%Added
Legal & General Group Plc55,122$1.19M0.00%+4,945+9.9%Added
Lighthouse Investment Partners, LLC52,199$1.13M0.08%+52,199New
Squarepoint Ops LLC52,035$1.12M0.00%+22,915+78.7%Added
Jennison Associates LLC50,780$1.10M0.00%−2,296,893−97.8%Reduced
HSBC Holdings PLC48,718$1.05M0.00%+48,718New
Deutsche Bank AG48,458$1.05M0.00%−1,355−2.7%Reduced
Alps Advisors Inc48,126$1.04M0.01%−3,110−6.1%Reduced
Mirae Asset Global Investments Co., Ltd.46,897$1.01M0.00%+4,705+11.2%Added
Parallax Volatility Advisers, L.P.41,985$907.3K0.02%+28,197+204.5%Added
D. E. Shaw & Co., Inc.41,965$906.9K0.00%−106,607−71.8%Reduced
FMR LLC40,696$879.4K0.00%−3,286−7.5%Reduced