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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 2023

Institutional positions in Syndax Pharmaceuticals Inc as of Sep 30, 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
175
+9 vs. Q2 2023
Shares held
71.0M
+357.2K (+0.5%) vs. Q2 2023
Total value
$1.03B
−$447.4M (−30.3%) vs. Q2 2023
New holders
20
76 more added
Sold out
11
59 more reduced

Compare with Q2 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 holdersQ3 2023: 175 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 2023: $1.03B
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 2023

Shares, value and share of portfolio for each institution holding Syndax Pharmaceuticals Inc; share changes are against Q2 2023.

Institutions holding SNDX in Q3 2023
InstitutionSharesValue% of portfolioChange in sharesAction
Wellington Management Group LLP7,642,446$111.0M0.02%+198,262+2.7%Added
BlackRock Inc.5,882,636$85.4M0.00%+891,652+17.9%Added
Vanguard Group Inc3,617,302$52.5M0.00%+34,632+1.0%Added
State Street Corp3,600,648$52.3M0.00%−553,413−13.3%Reduced
Kynam Capital Management, LP3,600,000$52.3M8.69%+337,996+10.4%Added
Avidity Partners Management LP2,821,000$41.0M1.65%−51,000−1.8%Reduced
PFM Health Sciences, LP2,715,235$39.4M1.89%+542,798+25.0%Added
Eversept Partners, LP2,596,245$37.7M4.19%+406,513+18.6%Added
Avoro Capital Advisors LLC2,555,555$37.1M0.58%−94,445−3.6%Reduced
Paradigm Biocapital Advisors LP2,390,077$34.7M2.37%−34,055−1.4%Reduced
Jennison Associates LLC2,347,673$34.1M0.03%−174,243−6.9%Reduced
Point72 Asset Management, L.P.2,094,201$30.4M0.10%+859,401+69.6%Added
Geode Capital Management, LLC1,360,920$19.8M0.00%+39,817+3.0%Added
OrbiMed Advisors LLC1,284,000$18.6M0.43%−1,246,240−49.3%Reduced
Goldman Sachs Group Inc1,267,748$18.4M0.00%+521,363+69.9%Added
Hudson Bay Capital Management LP1,236,186$17.9M0.17%+761,186+160.2%Added
T. Rowe Price Investment Management, Inc.1,066,548$15.5M0.01%00.0%Unchanged
Aisling Capital Management LP1,025,000$14.9M6.13%00.0%Unchanged
Adage Capital Partners GP, L.L.C.1,000,000$14.5M0.03%+75,000+8.1%Added
Commodore Capital LP957,509$13.9M1.63%−40,087−4.0%Reduced
Sofinnova Investments, Inc.941,817$13.7M0.95%−640,474−40.5%Reduced
Foresite Capital Management IV, LLC875,000$12.7M7.06%00.0%Unchanged
Saturn V Capital Management LLC807,969$11.7M4.91%+634,252+365.1%Added
Sphera Funds Management Ltd.773,061$11.2M2.69%+50,000+6.9%Added
JPMorgan Chase & Co729,098$10.6M0.00%−41,623−5.4%Reduced
Northern Trust Corp635,525$9.23M0.00%−28,942−4.4%Reduced
Marshall Wace, LLP603,962$8.77M0.02%+603,962New
Frazier Life Sciences Management, L.P.600,000$8.71M0.58%−3,108,838−83.8%Reduced
Morgan Stanley550,029$7.99M0.00%+120,309+28.0%Added
Ensign Peak Advisors, Inc514,852$7.48M0.02%+126,500+32.6%Added
Charles Schwab Investment Management Inc506,467$7.35M0.00%+15,156+3.1%Added
Ameriprise Financial Inc499,521$7.25M0.00%+143,600+40.3%Added
Palo Alto Investors LP472,600$6.86M0.65%−140,000−22.9%Reduced
DAFNA Capital Management LLC458,373$6.66M2.07%+7,500+1.7%Added
Algert Global LLC456,219$6.62M0.31%+202,588+79.9%Added
Millennium Management LLC439,770$6.39M0.01%+288,070+189.9%Added
Citadel Advisors LLC435,493$6.32M0.01%+198,543+83.8%Added
Two Sigma Investments, LP431,565$6.27M0.02%+431,565New
Barclays PLC422,008$6.13M0.00%+252,813+149.4%Added
Assenagon Asset Management S.A.390,538$5.67M0.02%+125,893+47.6%Added
Acuta Capital Partners, LLC297,035$4.31M3.14%−2,806−0.9%Reduced
Rafferty Asset Management, LLC284,124$4.13M0.02%−51,223−15.3%Reduced
Bank of America Corp259,858$3.77M0.00%−24,009−8.5%Reduced
Nantahala Capital Management, LLC240,031$3.49M0.44%−83,103−25.7%Reduced
Candriam Luxembourg S.C.A.240,010$3.48M0.03%00.0%Unchanged
Macquarie Group Ltd232,466$3.38M0.00%+1,023+0.4%Added
Bank of New York Mellon Corp227,504$3.30M0.00%−7,476−3.2%Reduced
Peregrine Capital Management LLC219,974$3.19M0.10%−13,764−5.9%Reduced
Schonfeld Strategic Advisors LLC218,413$3.17M0.03%−20,154−8.4%Reduced
Renaissance Technologies LLC218,300$3.17M0.01%+218,300New
Lord, Abbett & Co. LLC212,967$3.09M0.01%−152,205−41.7%Reduced
Parkman Healthcare Partners LLC212,448$3.08M0.57%+4,182+2.0%Added
Qube Research & Technologies Ltd206,394$3.00M0.01%+75,636+57.8%Added
Ghost Tree Capital, LLC200,000$2.90M1.41%−150,000−42.9%Reduced
Cubist Systematic Strategies, LLC192,094$2.79M0.03%+192,094New
Twinbeech Capital LP188,110$2.73M0.05%+37,914+25.2%Added
Nuveen Asset Management, LLC173,439$2.52M0.00%+12,492+7.8%Added
ExodusPoint Capital Management, LP155,714$2.26M0.03%−50,004−24.3%Reduced
Jump Financial, LLC154,786$2.25M0.08%+118,500+326.6%Added
Jane Street Group, LLC150,131$2.18M0.00%+108,546+261.0%Added
D. E. Shaw & Co., Inc.148,572$2.16M0.00%−24,447−14.1%Reduced
Balyasny Asset Management LLC148,524$2.16M0.01%+48,850+49.0%Added
Prudential Financial Inc134,470$2.10M0.00%−34,300−20.3%Reduced
Crestline Management, LP134,464$1.95M0.23%+22,000+19.6%Added
State of New Jersey Common Pension Fund D133,034$1.93M0.01%+13,063+10.9%Added
Yelin Lapidot Holdings Management Ltd.114,530$1.79M0.44%+114,530New
Swiss National Bank121,000$1.76M0.00%+1,700+1.4%Added
Citigroup Inc120,232$1.75M0.00%+3,520+3.0%Added
Soleus Capital Management, L.P.119,500$1.74M0.17%−93,100−43.8%Reduced
BNP Paribas Arbitrage, SA117,999$1.71M0.00%+47,846+68.2%Added
Susquehanna International Group, LLP116,890$1.70M0.00%+98,220+526.1%Added
Group One Trading, L.P.112,651$1.64M0.06%+111,374+8,721.5%Added
Dimensional Fund Advisors LP106,140$1.54M0.00%−488,322−82.1%Reduced
Rhumbline Advisers98,969$1.44M0.00%+671+0.7%Added
Panagora Asset Management Inc91,499$1.33M0.01%−175,583−65.7%Reduced
Occudo Quantitative Strategies LP88,208$1.28M0.17%+51,204+138.4%Added
Alliancebernstein L.P.77,460$1.12M0.00%−53,870−41.0%Reduced
Boothbay Fund Management, LLC76,909$1.12M0.04%+404+0.5%Added
UBS Asset Management Americas Inc76,663$1.11M0.00%+22,981+42.8%Added
UBS Group AG75,357$1.09M0.00%−37,359−33.1%Reduced
Credit Suisse AG71,140$1.03M0.00%−11,248−13.7%Reduced
Engineers Gate Manager LP70,536$1.02M0.04%+9,793+16.1%Added
Wells Fargo & Company69,670$1.01M0.00%−19,227−21.6%Reduced
Two Sigma Advisers, LP67,052$973.6K0.00%−70,100−51.1%Reduced
California State Teachers Retirement System63,192$917.5K0.00%−6,942−9.9%Reduced
State of Wisconsin Investment Board54,456$790.7K0.00%+7,400+15.7%Added
Alps Advisors Inc51,236$743.9K0.01%+651+1.3%Added
Legal & General Group Plc50,177$728.4K0.00%−510−1.0%Reduced
Deutsche Bank AG49,813$723.3K0.00%+6,037+13.8%Added
Voya Investment Management LLC48,889$709.9K0.00%−81,729−62.6%Reduced
Profund Advisors LLC48,042$697.6K0.04%−12,799−21.0%Reduced
FMR LLC43,982$638.6K0.00%+2,237+5.4%Added
Principal Financial Group Inc43,120$626.1K0.00%+9,371+27.8%Added
Mirae Asset Global Investments Co., Ltd.42,192$612.6K0.00%+2,700+6.8%Added
Teachers Retirement System of the State of Kentucky37,433$544.0K0.01%00.0%Unchanged
BIT Capital GmbH37,300$541.6K0.07%00.0%Unchanged
Invesco Ltd.36,543$530.6K0.00%+6,095+20.0%Added
SEI Investments Co36,135$524.8K0.00%+11,031+43.9%Added
MetLife Investment Management34,755$504.6K0.00%00.0%Unchanged
Lion Point Capital, LP34,500$500.9K0.46%00.0%Unchanged