SYNDAX PHARMACEUTICALS INC (SNDX) Institutional Ownership

SNDX is currently held by 2 institutional investors tracked by InsiderSet, with a combined reported market value of approximately $14.09M based on the latest available SEC Form 13F filings for the quarter ended March 31, 2026.

The largest disclosed holder is Renaissance Technologies LLC, which reported ownership valued at approximately $11.64M in its March 31, 2026 13F filing. Based on current market prices and the latest disclosed share count, Renaissance Technologies LLC's SNDX position is now estimated to be worth approximately $9.49M, representing an estimated loss of -18.49% since the filing period.

Major shareholders tracked on this page include Renaissance Technologies LLC, Torray Fund, and other prominent asset managers. Collectively, these investors account for approximately 100% of the total disclosed value among the investors covered in this analysis.

This page tracks institutional position trends, hedge fund exposure, portfolio concentration, historical 13F filings, and estimated holding performance to help investors analyze smart money sentiment toward SYNDAX PHARMACEUTICALS INC (SNDX).

Institutional Ownership Trend

Portfolio quarterInstitutional holdersTotal reported valueTotal shares
Q1 20262$14,087,668603,068
Q4 20252$13,501,068642,602
Q3 20251$13,238,793860,500
Q2 20251$7,845,061837,700
Q1 20251$8,371,331681,427
Q4 20241$9,002,357680,965
Q2 20241$4,399,579214,300
Q1 20241$1,88379,100
Q3 20231$3,170218,300
Q4 20221$2,06781,200
Q1 20221$3,165182,100
Q2 20201$1,40394,700
SNDX Institutional Ownership and 13F Activity Q1 2026 | InsiderSet