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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 2024

Institutional positions in Syndax Pharmaceuticals Inc as of Mar 31, 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
189
+12 vs. Q4 2023
Shares held
90.3M
+1.63M (+1.8%) vs. Q4 2023
Total value
$2.15B
+$232.8M (+12.2%) vs. Q4 2023
New holders
30
83 more added
Sold out
18
53 more reduced

Compare with Q4 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 holdersQ1 2024: 189 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 2024: $2.15B
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 2024

Shares, value and share of portfolio for each institution holding Syndax Pharmaceuticals Inc; share changes are against Q4 2023.

Institutions holding SNDX in Q1 2024
InstitutionSharesValue% of portfolioChange in sharesAction
BlackRock Inc.7,552,431$179.7M0.00%+536,883+7.7%Added
Wellington Management Group LLP7,436,616$177.0M0.03%−148,605−2.0%Reduced
Kynam Capital Management, LP5,660,000$134.7M14.99%00.0%Unchanged
Vanguard Group Inc4,926,984$117.3M0.00%+591,631+13.6%Added
State Street Corp4,819,594$114.7M0.01%−196,630−3.9%Reduced
Avoro Capital Advisors LLC4,222,222$100.5M1.17%00.0%Unchanged
Eversept Partners, LP3,133,113$74.6M5.57%−250,131−7.4%Reduced
T. Rowe Price Investment Management, Inc.2,459,235$58.5M0.04%−252,018−9.3%Reduced
Avidity Partners Management LP2,412,500$57.4M2.04%−1,537,500−38.9%Reduced
Point72 Asset Management, L.P.2,066,685$49.2M0.14%−767,814−27.1%Reduced
Marshall Wace, LLP2,032,059$48.4M0.08%−69,852−3.3%Reduced
BVF Inc1,875,000$44.6M1.23%00.0%Unchanged
Morgan Stanley1,815,758$43.2M0.00%+151,452+9.1%Added
Geode Capital Management, LLC1,778,548$42.3M0.00%+243,493+15.9%Added
OrbiMed Advisors LLC1,749,000$41.6M0.82%00.0%Unchanged
Bank of America Corp1,655,052$39.4M0.00%+670,794+68.2%Added
Sofinnova Investments, Inc.1,608,540$38.3M2.26%+532,754+49.5%Added
Woodline Partners LP1,544,287$36.8M0.34%+710.0%Added
Franklin Resources Inc1,495,705$35.6M0.01%+142,800+10.6%Added
Goldman Sachs Group Inc1,310,073$31.2M0.01%+59,125+4.7%Added
StemPoint Capital LP1,100,988$26.2M7.00%+6,494+0.6%Added
Candriam Luxembourg S.C.A.1,045,032$24.9M0.16%+24,000+2.4%Added
Aisling Capital Management LP1,025,000$24.4M8.26%00.0%Unchanged
Iron Triangle Partners LP973,057$23.2M2.40%+973,057New
Adage Capital Partners GP, L.L.C.900,000$21.4M0.04%00.0%Unchanged
Kingdon Capital Management, L.L.C.894,993$21.3M2.82%+148,700+19.9%Added
Foresite Capital Management IV, LLC875,000$20.8M10.52%00.0%Unchanged
Sphera Funds Management Ltd.812,964$19.3M3.13%+40,000+5.2%Added
Schonfeld Strategic Advisors LLC785,644$18.7M0.15%+314,169+66.6%Added
Parkman Healthcare Partners LLC784,811$18.7M2.29%+46,222+6.3%Added
Healthcare of Ontario Pension Plan Trust Fund780,000$18.6M0.07%00.0%Unchanged
Northern Trust Corp741,827$17.7M0.00%+63,722+9.4%Added
Susquehanna International Group, LLP736,148$17.5M0.03%+711,751+2,917.4%Added
Two Sigma Investments, LP718,552$17.1M0.04%+182,614+34.1%Added
JPMorgan Chase & Co682,464$16.2M0.00%−98,466−12.6%Reduced
Millennium Management LLC681,874$16.2M0.01%−260,768−27.7%Reduced
DAFNA Capital Management LLC659,574$15.7M3.57%−83,000−11.2%Reduced
PFM Health Sciences, LP658,694$15.7M0.78%+63,171+10.6%Added
Charles Schwab Investment Management Inc635,207$15.1M0.00%+58,185+10.1%Added
Federated Hermes, Inc.538,714$12.8M0.03%+538,714New
Ensign Peak Advisors, Inc514,852$12.3M0.02%00.0%Unchanged
Ameriprise Financial Inc511,501$12.2M0.00%+5,492+1.1%Added
Nantahala Capital Management, LLC465,259$11.1M1.08%+100,000+27.4%Added
Two Sigma Advisers, LP455,852$10.8M0.03%+304,400+201.0%Added
Algert Global LLC425,673$10.1M0.40%−102,484−19.4%Reduced
Palo Alto Investors LP405,193$9.64M1.09%−67,407−14.3%Reduced
Saturn V Capital Management LLC397,997$9.47M3.80%−120,802−23.3%Reduced
Granahan Investment Management Inc396,878$9.45M0.33%+75,967+23.7%Added
Nuveen Asset Management, LLC392,686$9.35M0.00%−231,324−37.1%Reduced
Rafferty Asset Management, LLC373,238$8.88M0.03%−30,143−7.5%Reduced
Soleus Capital Management, L.P.369,000$8.78M0.77%−145,000−28.2%Reduced
Logos Global Management LP350,000$8.33M0.88%+350,000New
Verition Fund Management LLC346,862$8.26M0.08%+203,596+142.1%Added
Citigroup Inc324,929$7.73M0.01%+162,523+100.1%Added
Commodore Capital LP318,851$7.59M0.51%+318,851New
ExodusPoint Capital Management, LP286,330$6.82M0.08%−66,922−18.9%Reduced
Assenagon Asset Management S.A.277,928$6.61M0.02%−134,037−32.5%Reduced
UBS Group AG269,811$6.42M0.00%−20,990−7.2%Reduced
Bank of New York Mellon Corp245,363$5.84M0.00%+14,505+6.3%Added
Macquarie Group Ltd242,992$5.78M0.01%−1,098−0.4%Reduced
Panagora Asset Management Inc237,006$5.64M0.03%+62,862+36.1%Added
Voya Investment Management LLC197,024$4.69M0.00%+30,991+18.7%Added
Peregrine Capital Management LLC196,079$4.67M0.13%+460.0%Added
Rhenman & Partners Asset Management AB178,500$4.25M0.40%+178,500New
Zimmer Partners, LP155,000$3.69M0.08%−120,100−43.7%Reduced
Swiss National Bank150,600$3.58M0.00%+8,200+5.8%Added
Casdin Capital, LLC150,000$3.57M0.27%00.0%Unchanged
Ghost Tree Capital, LLC150,000$3.57M1.15%+150,000New
Yelin Lapidot Holdings Management Ltd.114,530$2.73M0.56%00.0%Unchanged
State of New Jersey Common Pension Fund D114,384$2.72M0.01%−45,419−28.4%Reduced
Jane Street Group, LLC113,528$2.70M0.00%+6,462+6.0%Added
Susquehanna Fundamental Investments, LLC109,827$2.61M0.12%+109,827New
Rhumbline Advisers108,994$2.59M0.00%+13,677+14.3%Added
Dimensional Fund Advisors LP108,645$2.59M0.00%−658−0.6%Reduced
UBS Oconnor LLC108,431$2.58M0.07%+12,482+13.0%Added
Crestline Management, LP103,710$2.47M0.23%+3,061+3.0%Added
Barclays PLC102,172$2.43M0.00%−153,705−60.1%Reduced
UBS Asset Management Americas Inc96,833$2.30M0.00%+3,766+4.0%Added
Axiom Investors LLC94,065$2.24M0.02%+7,890+9.2%Added
Qube Research & Technologies Ltd93,889$2.23M0.00%+36,528+63.7%Added
Credit Suisse AG86,223$2.05M0.00%+13,448+18.5%Added
Propel Bio Management, LLC83,259$1.98M1.15%+83,259New
Graham Capital Management, L.P.80,186$1.91M0.05%+65,250+436.9%Added
Renaissance Technologies LLC79,100$1.88M0.00%+79,100New
Alliancebernstein L.P.77,460$1.84M0.00%00.0%Unchanged
California State Teachers Retirement System76,557$1.82M0.00%+1,150+1.5%Added
Simplify Asset Management Inc.75,337$1.79M0.17%+63,536+538.4%Added
Trexquant Investment LP74,592$1.78M0.04%−68,922−48.0%Reduced
Twinbeech Capital LP71,883$1.71M0.04%−11,573−13.9%Reduced
Legal & General Group Plc69,778$1.66M0.00%+14,656+26.6%Added
BIT Capital GmbH66,964$1.59M0.14%+58,910+731.4%Added
Knott David M Jr65,475$1.56M0.55%+65,475New
Lion Point Capital, LP65,000$1.55M2.96%+30,500+88.4%Added
Alps Advisors Inc59,924$1.43M0.01%+11,798+24.5%Added
Profund Advisors LLC58,247$1.39M0.05%−6,935−10.6%Reduced
Deutsche Bank AG56,275$1.34M0.00%+7,817+16.1%Added
Lighthouse Investment Partners, LLC55,297$1.32M0.08%+3,098+5.9%Added
AQR Capital Management LLC53,216$1.27M0.00%+17,314+48.2%Added
Jennison Associates LLC50,170$1.19M0.00%−610−1.2%Reduced
Janus Henderson Group PLC48,948$1.16M0.00%+22,501+85.1%Added