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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 2024

Institutional positions in Syndax Pharmaceuticals Inc as of Sep 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
210
+15 vs. Q2 2024
Shares held
89.0M
+9.52M (+12.0%) vs. Q2 2024
Total value
$1.71B
+$82.4M (+5.0%) vs. Q2 2024
New holders
39
85 more added
Sold out
24
58 more reduced

1 institution that held it in Q2 2024 haven't filed for Q3 2024 yet. Not filing isn't selling, so they aren't counted as sold out or in the changes above.

Compare with Q2 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 holdersQ3 2024: 210 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 2024: $1.71B
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 2024

Shares, value and share of portfolio for each institution holding Syndax Pharmaceuticals Inc; share changes are against Q2 2024.

Institutions holding SNDX in Q3 2024
InstitutionSharesValue% of portfolioChange in sharesAction
BlackRock, Inc.8,239,050$158.6M0.00%+8,239,050New
Kynam Capital Management, LP5,842,925$112.5M8.72%+120,868+2.1%Added
Wellington Management Group LLP4,985,976$96.0M0.02%−2,353,028−32.1%Reduced
Vanguard Group Inc4,886,974$94.1M0.00%+89,885+1.9%Added
Eversept Partners, LP4,105,313$79.0M6.06%+491,682+13.6%Added
Avoro Capital Advisors LLC3,888,437$74.9M1.09%00.0%Unchanged
State Street Corp3,770,826$72.6M0.00%+148,491+4.1%Added
Point72 Asset Management, L.P.2,778,267$53.5M0.19%−4,586−0.2%Reduced
Avidity Partners Management LP2,455,000$47.3M2.41%−880,000−26.4%Reduced
Geode Capital Management, LLC1,977,082$38.1M0.00%+66,459+3.5%Added
OrbiMed Advisors LLC1,925,300$37.1M0.68%00.0%Unchanged
Woodline Partners LP1,896,032$36.5M0.31%+350,504+22.7%Added
Franklin Resources Inc1,763,277$34.9M0.01%+208,043+13.4%Added
StemPoint Capital LP1,731,191$33.3M9.99%+319,015+22.6%Added
Goldman Sachs Group Inc1,612,052$31.0M0.01%+168,040+11.6%Added
First Turn Management, LLC1,187,165$22.9M3.62%+546,776+85.4%Added
Millennium Management LLC1,119,963$21.6M0.02%+54,455+5.1%Added
Soleus Capital Management, L.P.1,090,984$21.0M1.75%+264,484+32.0%Added
Sphera Funds Management Ltd.1,034,846$19.9M3.26%+212,799+25.9%Added
Aisling Capital Management LP1,025,000$19.7M7.56%00.0%Unchanged
Kingdon Capital Management, L.L.C.1,000,000$19.3M2.83%+105,007+11.7%Added
Candriam Luxembourg S.C.A.998,619$19.2M0.11%+28,513+2.9%Added
Marshall Wace, LLP989,904$19.1M0.02%−840,523−45.9%Reduced
Federated Hermes, Inc.937,250$18.0M0.04%+281,000+42.8%Added
Morgan Stanley887,145$17.1M0.00%+130,913+17.3%Added
Two Sigma Investments, LP886,494$17.1M0.04%−44,453−4.8%Reduced
Commodore Capital LP885,000$17.0M1.06%+60,000+7.3%Added
Foresite Capital Management IV, LLC875,000$16.8M11.01%00.0%Unchanged
Adage Capital Partners GP, L.L.C.817,600$15.7M0.03%−42,400−4.9%Reduced
BNP PARIBAS ASSET MANAGEMENT Holding S.A.787,785$15.2M0.04%+787,785New
Sofinnova Investments, Inc.786,999$15.1M1.25%−1,366,670−63.5%Reduced
Eventide Asset Management, LLC786,990$15.1M0.26%+786,990New
Bank of America Corp757,307$14.6M0.00%−94,899−11.1%Reduced
Northern Trust Corp737,606$14.2M0.00%+40,877+5.9%Added
Charles Schwab Investment Management Inc695,947$13.4M0.00%+41,458+6.3%Added
Qube Research & Technologies Ltd683,202$13.2M0.02%+385,899+129.8%Added
Two Sigma Advisers, LP669,352$12.9M0.03%+48,100+7.7%Added
Granahan Investment Management Inc664,765$12.8M0.50%+70,379+11.8%Added
JPMorgan Chase & Co627,679$12.1M0.00%−2,201−0.3%Reduced
Prosight Management, LP554,103$10.7M2.70%+2,559+0.5%Added
DAFNA Capital Management LLC526,702$10.1M2.40%−130,372−19.8%Reduced
Parkman Healthcare Partners LLC508,283$9.78M1.25%−92,415−15.4%Reduced
Saturn V Capital Management LLC501,978$9.66M3.45%+82,324+19.6%Added
Polar Capital Holdings Plc500,000$9.63M0.06%+500,000New
Ameriprise Financial Inc486,228$9.36M0.00%−34,852−6.7%Reduced
Casdin Capital, LLC475,000$9.14M0.61%+325,000+216.7%Added
Algert Global LLC474,998$9.14M0.25%+42,870+9.9%Added
Assenagon Asset Management S.A.466,028$8.97M0.02%+37,079+8.6%Added
Nuveen Asset Management, LLC459,532$8.85M0.00%−96,882−17.4%Reduced
Nantahala Capital Management, LLC453,232$8.72M0.73%00.0%Unchanged
Ghost Tree Capital, LLC450,000$8.66M2.95%+100,000+28.6%Added
Crestline Management, LP428,538$8.25M0.47%+285,258+199.1%Added
Hudson Bay Capital Management LP425,000$8.18M0.06%+425,000New
PFM Health Sciences, LP423,910$8.16M0.47%+36,553+9.4%Added
Palo Alto Investors LP405,193$7.80M1.01%00.0%Unchanged
Silverarc Capital Management, LLC378,746$7.29M1.64%+8,746+2.4%Added
Balyasny Asset Management LLC367,177$7.07M0.02%+367,177New
Ensign Peak Advisors, Inc361,825$6.97M0.01%−157,060−30.3%Reduced
D. E. Shaw & Co., Inc.352,358$6.78M0.01%+205,715+140.3%Added
ADAR1 Capital Management, LLC350,206$6.74M1.13%+350,206New
ExodusPoint Capital Management, LP318,394$6.13M0.06%−307,329−49.1%Reduced
Rhenman & Partners Asset Management AB259,500$5.00M0.41%+31,000+13.6%Added
Macquarie Group Ltd243,352$4.68M0.01%+433+0.2%Added
Bank of New York Mellon Corp221,502$4.26M0.00%−70,324−24.1%Reduced
Peregrine Capital Management LLC199,086$3.83M0.12%+427+0.2%Added
Twinbeech Capital LP198,579$3.82M0.07%+30,865+18.4%Added
Barclays PLC187,629$3.61M0.00%+110,535+143.4%Added
Schonfeld Strategic Advisors LLC187,463$3.61M0.03%−73,413−28.1%Reduced
Rafferty Asset Management, LLC171,522$3.30M0.01%−6,398−3.6%Reduced
Susquehanna International Group, LLP168,706$3.25M0.01%+66,679+65.4%Added
Swiss National Bank149,400$2.88M0.00%−1,200−0.8%Reduced
UBS Group AG146,438$2.82M0.00%+21,286+17.0%Added
UBS Asset Management Americas Inc137,447$2.65M0.00%−15,913−10.4%Reduced
Jane Street Group, LLC133,541$2.57M0.00%−19,770−12.9%Reduced
Propel Bio Management, LLC133,259$2.57M1.49%+50,000+60.1%Added
Simplify Asset Management Inc.122,185$2.35M0.16%+46,992+62.5%Added
Knott David M Jr122,144$2.35M0.94%+18,318+17.6%Added
Thornburg Investment Management Inc116,812$2.25M0.03%+116,812New
Axiom Investors LLC115,642$2.23M0.02%+20,502+21.5%Added
Rhumbline Advisers114,459$2.20M0.00%−4,826−4.0%Reduced
Yelin Lapidot Holdings Management Ltd.108,377$2.09M0.34%−6,153−5.4%Reduced
Jump Financial, LLC96,191$1.85M0.04%+58,691+156.5%Added
State of New Jersey Common Pension Fund D94,772$1.82M0.01%+459+0.5%Added
Voya Investment Management LLC94,183$1.81M0.00%−89,466−48.7%Reduced
UBS Oconnor LLC89,481$1.72M0.04%−20,973−19.0%Reduced
BIT Capital GmbH87,997$1.69M0.16%+8,211+10.3%Added
T. Rowe Price Investment Management, Inc.85,511$1.65M0.00%−198,316−69.9%Reduced
Alliancebernstein L.P.85,250$1.64M0.00%00.0%Unchanged
Y-Intercept (Hong Kong) Ltd81,302$1.57M0.10%+61,916+319.4%Added
Legal & General Group Plc80,938$1.56M0.00%+6,513+8.8%Added
Verition Fund Management LLC79,341$1.53M0.01%−65,225−45.1%Reduced
California State Teachers Retirement System72,761$1.40M0.00%−2,585−3.4%Reduced
Canada Pension Plan Investment Board70,000$1.35M0.00%+70,000New
Alps Advisors Inc66,403$1.28M0.01%+110+0.2%Added
Deutsche Bank AG66,270$1.28M0.00%+13,081+24.6%Added
Citigroup Inc60,936$1.17M0.00%+24,584+67.6%Added
Engineers Gate Manager LP59,411$1.14M0.02%−16,429−21.7%Reduced
Graham Capital Management, L.P.57,939$1.12M0.04%−17,712−23.4%Reduced
Schroder Investment Management Group57,565$1.09M0.00%+57,565New
HRT Financial LP53,426$1.03M0.01%+53,426New