Syndax Pharmaceuticals Inc (SNDX) Institutional Ownership

Institutions by Trading Activity

Ownership Statistics

86,735,714Shares Outstanding

3,529,289Shares held by institutions

$71,785,738Value of institutional holdings

113.28%Institutional ownership %

4.41%Shares Changed QoQ

220No. of institutional investors

Shares Owned by Institutions

Shares Purchased/Sold by Institutions

Ownership Summary

According to SEC filings for the period ending December 2025, Syndax Pharmaceuticals Inc (NASDAQ:SNDX) is held by 220 institutional firms.

These investors collectively held 113.3% of the company's total shares outstanding in December 2025, down from 117.8% in September 2025.
The company experienced a 4.41% quarterly change in institutional shares held, alongside an increase of 2.33% in total owners annually.
During the quarter, 108 institutions bought more Syndax Pharmaceuticals shares, 79 sold shares, and 33 of the 220 total investors held their position steady.
This class of investors increased its holdings in Syndax Pharmaceuticals to 98.25Mn shares for the 13F-cycle ending December 2025, up by 4.15Mn shares quarter on quarter, and down 522.37K shares year over year.
BlackRock, Inc.'s holding of 8.24Mn shares as of December 31, 2025 makes it the primary institutional investor in Syndax Pharmaceuticals, owning 9.50% of the stock.
Among the most significant buyers of Syndax Pharmaceuticals during December 2025 were Hood River Capital Management LLC (2.32Mn), Elmind Capital, LP (1.85Mn), VANGUARD GROUP INC (1.09Mn), BANK OF AMERICA CORP /DE/ (1.01Mn), STATE STREET CORP (743.00K).
Leading sellers of Syndax Pharmaceuticals stock in December 2025 included Assenagon Asset Management S.A. (1.74Mn), Qube Research & Technologies Ltd (956.71K), MILLENNIUM MANAGEMENT LLC (944.52K), UBS Group AG (885.99K), BNP PARIBAS FINANCIAL MARKETS (585.64K).
The top 10 institutional holders of Syndax Pharmaceuticals for the quarter ending December 2025 included BlackRock, Inc. (8.24Mn), Kynam Capital Management, LP (8.05Mn), VANGUARD GROUP INC (6.23Mn), GOLDMAN SACHS GROUP INC (5.70Mn), Point72 Asset Management, L.P. (4.88Mn), BANK OF AMERICA CORP /DE/ (4.71Mn), STATE STREET CORP (4.60Mn), Eversept Partners, LP (3.31Mn), FRANKLIN RESOURCES INC (2.42Mn), KINGDON CAPITAL MANAGEMENT, L.L.C. (2.35Mn).

220 Institutional Holders

3,529,289 Total Shares Held

Rows:

Download Data

Owner Name	Date	Shares Held	Change (QoQ)	Change (%)	Value (USD)
BlackRock, Inc.	31 Dec, 2025	8,239,002	-386,242	-4.48%	$173,101,429.00
Kynam Capital Management, LP	31 Dec, 2025	8,050,959	-469,041	-5.51%	$169,150,649.00
VANGUARD GROUP INC	31 Dec, 2025	6,230,334	1,091,717	21.25%	$130,899,317.00
GOLDMAN SACHS GROUP INC	31 Dec, 2025	5,695,375	208,941	3.81%	$119,659,829.00
Point72 Asset Management, L.P.	31 Dec, 2025	4,882,053	627,006	14.74%	$102,571,934.00
BANK OF AMERICA CORP /DE/	31 Dec, 2025	4,710,746	1,012,993	27.39%	$98,972,773.00
STATE STREET CORP	31 Dec, 2025	4,596,552	743,003	19.28%	$96,573,558.00
Eversept Partners, LP	31 Dec, 2025	3,314,408	-152,906	-4.41%	$69,635,712.00
FRANKLIN RESOURCES INC	31 Dec, 2025	2,421,666	31,105	1.30%	$50,879,210.00
KINGDON CAPITAL MANAGEMENT, L.L.C.	31 Dec, 2025	2,350,000	-150,000	-6.00%	$49,373,500.00
Hood River Capital Management LLC	31 Dec, 2025	2,316,553	2,316,553	0.00%	$48,670,779.00
Soleus Capital Management, L.P.	31 Dec, 2025	2,247,110	235,000	11.68%	$47,211,781.00
GEODE CAPITAL MANAGEMENT, LLC	31 Dec, 2025	2,090,932	-399	-0.02%	$43,938,032.00
Elmind Capital, LP	31 Dec, 2025	1,855,000	1,855,000	0.00%	$38,973,550.00
Nuveen, LLC	31 Dec, 2025	1,483,002	7,204	0.49%	$31,157,872.00
BNP Paribas Asset Management Holding S.A.	31 Dec, 2025	1,375,681	139,604	11.29%	$28,903.00
STEMPOINT CAPITAL LP	31 Dec, 2025	1,339,379	-26,826	-1.96%	$28,140,353.00
MPM BioImpact LLC	31 Dec, 2025	1,337,702	-37,972	-2.76%	$28,105,119.00
Aisling Capital Management LP	31 Dec, 2025	1,316,806	0	0.00%	$27,666,094.00
Woodline Partners LP	31 Dec, 2025	1,250,668	-299,852	-19.34%	$26,276,535.00

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