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MPM BioImpact’s Syndax Pharmaceuticals SNDX Stock Holding History

MPM BioImpact’s Portfolio SNDX Stock Details SNDX Fund Activity
Bought
Maintained
Sold
Quarter Market Value Status Shares Change in
Stake 		Trade Value Portfolio Weight Portfolio Position
2026
Q2 		$29.2M Sell
1,333,523
-7,210
-0.5% -$150K 1.78% 22
2026
Q1 		$31.3M Buy
1,340,733
+3,031
+0.2% +$65.9K 2.42% 17
2025
Q4 		$28.1M Sell
1,337,702
-37,972
-3% -$662K 3.22% 10
2025
Q3 		$21.2M Buy
+1,375,674
New +$18M 3.46% 8

Other funds holding SNDX

BlackRock
BlackRock New York $6.73T AUM 46.02% 1-Year Est. Return
KCM
Kynam Capital Management Princeton, New Jersey $1.81B AUM 192.15% 1-Year Est. Return
Goldman Sachs
Goldman Sachs New York $1.15T AUM 47.82% 1-Year Est. Return
State Street
State Street Boston, Massachusetts $3.37T AUM 44.26% 1-Year Est. Return
Bank of America
Bank of America Charlotte, North Carolina $1.55T AUM 33.47% 1-Year Est. Return
Vanguard Capital Management
Vanguard Capital Management Malvern, Pennsylvania $4.68T AUM
DM
Deerfield Management New York $9.59B AUM 113.36% 1-Year Est. Return
EP
Eversept Partners New York $1.93B AUM 160.8% 1-Year Est. Return
Geode Capital Management
Geode Capital Management Boston, Massachusetts $1.88T AUM 44.46% 1-Year Est. Return
HRCM
Hood River Capital Management Palm Beach Gardens, Florida $13.8B AUM 163.97% 1-Year Est. Return

MPM BioImpact's SNDX Position: Q2 2026 in Review

MPM BioImpact reduced its Syndax Pharmaceuticals (SNDX) stake by 0.54% in Q2 2026, selling an estimated $150K and leaving 1,333,523 shares worth $29.2M. The position accounts for 1.78% of the portfolio, ranked #22.

MPM BioImpact first reported a position in SNDX in Q3 2025 and has held it in 4 quarters since. The position peaked at $31.3M in Q1 2026. 242 funds tracked by Wall St. Rank hold SNDX as of Q2 2026.

  • MPM BioImpact held 1,333,523 shares of Syndax Pharmaceuticals worth $29.2M as of Q2 2026.
  • MPM BioImpact sold 7,210 Syndax Pharmaceuticals shares in Q2 2026, an estimated $150K.
  • Syndax Pharmaceuticals made up 1.78% of MPM BioImpact's portfolio in Q2 2026, its #22 holding.
  • MPM BioImpact first reported a position in Syndax Pharmaceuticals in Q3 2025 and has held it in 4 quarters since.
  • MPM BioImpact's Syndax Pharmaceuticals position peaked at $31.3M in Q1 2026.
  • 242 funds tracked by Wall St. Rank held Syndax Pharmaceuticals as of Q2 2026.

Based on MPM BioImpact's 13F filing for Q2 2026, filed 14 Aug 2026.