Syndax Pharmaceuticals Inc - COMMON STOCK (SNDX) Institutional Ownership

13F Institutional Holders and Ownership History from Q1 2016 to Q4 2025

Type / Class
Equity / COMMON STOCK
Symbol
SNDX on Nasdaq
Shares outstanding
86,727,396
Price per share
$20.59
All holders as of 31 Dec 2025
Q4 2025
Total 13F shares
99,874,249
Total reported value
$2,097,971,672
% of total 13F portfolios
0.01%
Share change
-2,683,211
Value change
-$23,963,641
Number of holders
226
Price from insider filings
$20.59
Reported Shares, Excluding Options vs Price
Reported Value, Excluding Options
Total Investors

Significant Owners of Syndax Pharmaceuticals Inc - COMMON STOCK (SNDX) based on Schedule 13D/G filings

Filer Ownership Change % Holdings Value Net Change Nb Shares Change % Reporting Name Report Period
Kynam Capital Management, LP 10% $113,571,600 8,520,000 Kynam Capital Management, LP 31 Dec 2024
BlackRock, Inc. 7.8% $89,898,173 6,744,049 BlackRock, Inc. 31 Mar 2025
VANGUARD GROUP INC 7.2% $130,899,317 6,230,334 The Vanguard Group 31 Dec 2025
GOLDMAN SACHS GROUP INC 6.5% +26% $51,576,091 +$9,897,509 5,581,828 +24% THE GOLDMAN SACHS GROUP, INC. 30 Jun 2025
STATE STREET CORP 5.3% $96,527,592 4,596,552 STATE STREET CORPORATION 31 Dec 2025
Point72 Asset Management, L.P. 5% +77% $44,621,185 +$20,827,520 4,327,952 +88% Point72 Asset Management, L.P. 15 Aug 2025
MORGAN STANLEY 2.4% -65% $27,193,373 -$44,284,339 2,040,013 -62% Morgan Stanley 31 Mar 2025
WELLINGTON MANAGEMENT GROUP LLP 0% $475,628 35,681 Wellington Management Group LLP 28 Feb 2025

As of 31 Dec 2025, 226 institutional investors reported holding 99,874,249 shares of Syndax Pharmaceuticals Inc - COMMON STOCK (SNDX). This represents 115% of the company’s total 86,727,396 outstanding shares.

Top 25 Institutional Shareholders

The largest institutional shareholders of Syndax Pharmaceuticals Inc - COMMON STOCK (SNDX) together control 85% of the company’s outstanding shares — a level of ownership often associated with strong institutional conviction and long‑term capital commitment.

Institution Ownership % Shares Held Share Change % Portfolio % Holdings Value
BlackRock, Inc. 9.5% 8,239,002 -4.5% 0% $173,101,429
Kynam Capital Management, LP 9.3% 8,050,959 -5.5% 11% $169,150,649
VANGUARD GROUP INC 7.2% 6,230,334 +21% 0% $130,899,317
GOLDMAN SACHS GROUP INC 6.6% 5,695,375 +3.8% 0.02% $119,659,829
Point72 Asset Management, L.P. 5.6% 4,882,053 +15% 0.16% $102,571,934
BANK OF AMERICA CORP /DE/ 5.4% 4,710,746 +27% 0.01% $98,972,773
STATE STREET CORP 5.3% 4,596,552 +19% 0% $96,573,558
Eversept Partners, LP 3.8% 3,314,408 -4.4% 3.9% $69,635,712
FRANKLIN RESOURCES INC 2.8% 2,421,666 +1.3% 0.01% $50,879,210
KINGDON CAPITAL MANAGEMENT, L.L.C. 2.7% 2,350,000 -6% 7.6% $49,373,500
Hood River Capital Management LLC 2.7% 2,316,553 0.53% $48,670,779
Soleus Capital Management, L.P. 2.6% 2,247,110 +12% 2% $47,211,781
GEODE CAPITAL MANAGEMENT, LLC 2.4% 2,090,932 -0.02% 0% $43,938,032
Elmind Capital, LP 2.1% 1,855,000 0% 12% $38,973,550
Ensign Peak Advisors, Inc 1.8% 1,598,544 +98% 0.06% $33,585,409
Nuveen, LLC 1.7% 1,483,002 +0.49% 0.01% $31,157,872
BNP PARIBAS ASSET MANAGEMENT Holding S.A. 1.6% 1,375,681 +11% 0.03% $28,903,000
STEMPOINT CAPITAL LP 1.5% 1,339,379 -2% 4.8% $28,140,353
MPM BIOIMPACT LLC 1.5% 1,337,702 -2.8% 3.2% $28,105,119
Aisling Capital Management LP 1.5% 1,316,806 0% 5.8% $27,666,094
Woodline Partners LP 1.4% 1,250,668 -19% 0.1% $26,276,535
EVENTIDE ASSET MANAGEMENT, LLC 1.4% 1,238,196 +25% 0.41% $26,014,313
D. E. Shaw & Co., Inc. 1.4% 1,219,609 +13% 0.02% $25,623,986
Catalio Capital Management, LP 1.4% 1,196,807 -26% 4.7% $25,144,915
TWO SIGMA INVESTMENTS, LP 1.3% 1,146,936 +61% 0.04% $24,097,125

Institutional Holders of Syndax Pharmaceuticals Inc - COMMON STOCK (SNDX) across Reporting Periods

Period Reported Shares, Excl. Options Value, Excl. Options Value Change Price (Median) Investors
2025 Q4 99,874,249 $2,097,971,672 -$23,963,641 $21.01 226
2025 Q3 101,146,457 $1,556,154,551 +$19,278,782 $15.38 227
2025 Q2 101,743,087 $952,765,629 -$3,412,831 $9.36 214
2025 Q1 100,841,762 $1,238,937,353 +$32,280,128 $12.28 215
2024 Q4 98,036,463 $1,295,985,057 +$87,204,107 $13.22 214
2024 Q3 88,967,889 $1,713,503,490 +$22,962,287 $19.25 208
2024 Q2 87,359,094 $1,793,463,324 -$71,085,162 $20.53 195
2024 Q1 90,291,619 $2,148,803,982 +$45,990,918 $23.80 188
2023 Q4 88,660,945 $1,915,962,261 +$405,830,138 $21.61 176
2023 Q3 71,017,590 $1,031,468,287 -$1,236,482 $14.52 174
2023 Q2 70,660,286 $1,478,899,897 -$48,383,346 $20.93 165
2023 Q1 72,989,203 $1,541,067,785 +$23,662,697 $21.12 161
2022 Q4 71,468,832 $1,818,847,118 +$262,720,878 $25.45 159
2022 Q3 59,986,014 $1,441,473,166 +$97,845,580 $24.03 136
2022 Q2 55,225,664 $1,062,543,225 +$21,478,133 $19.24 116
2022 Q1 54,572,890 $948,388,792 -$36,428,045 $17.38 136
2021 Q4 52,428,774 $1,146,955,026 +$54,297,905 $21.89 129
2021 Q3 49,078,197 $938,007,416 -$20,732,602 $19.11 121
2021 Q2 50,204,902 $861,938,071 +$12,311,173 $17.17 113
2021 Q1 48,482,656 $1,083,969,550 +$46,478,159 $22.36 130
2020 Q4 46,493,166 $1,034,139,433 +$269,937,051 $22.24 140
2020 Q3 34,234,622 $505,296,990 +$23,535,263 $14.76 98
2020 Q2 32,648,161 $483,839,331 +$177,178,450 $14.82 96
2020 Q1 20,764,120 $227,777,510 +$45,430,574 $10.97 81
2019 Q4 16,674,566 $146,400,674 -$3,736,906 $8.78 71
2019 Q3 17,141,763 $128,044,931 -$811,927 $7.47 72
2019 Q2 17,174,052 $159,885,671 +$3,968,740 $9.31 71
2019 Q1 16,955,330 $89,016,913 +$8,086,878 $5.25 66
2018 Q4 15,460,307 $68,794,733 -$2,725,288 $4.45 73
2018 Q3 15,338,464 $123,912,664 +$3,406,829 $8.08 73
2018 Q2 15,085,582 $105,898,739 -$23,251,843 $7.02 83
2018 Q1 17,173,123 $244,377,218 +$5,182,148 $14.23 72
2017 Q4 17,172,317 $150,421,862 +$15,929,302 $8.76 77
2017 Q3 15,034,508 $175,968,675 -$8,293,783 $11.70 67
2017 Q2 15,705,504 $219,397,678 +$56,766,148 $13.97 63
2017 Q1 11,652,824 $159,872,123 +$30,204,104 $13.72 62
2016 Q4 11,123,178 $79,752,466 -$4,867,203 $7.17 55
2016 Q3 11,599,012 $175,841,071 +$19,928,095 $15.16 45
2016 Q2 10,263,556 $101,043,565 +$10,817,957 $9.85 46
2016 Q1 9,443,951 $125,631,000 +$125,631,000 $13.32 27