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Magnetar Financial’s Syndax Pharmaceuticals SNDX Stock Holding History

Magnetar Financial’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 		$544K Buy
24,891
+14,100
+131% +$293K 0.01% 596
2026
Q1 		$252K Buy
+10,791
New +$234K ﹤0.01% 818
2025
Q2 		– Sell
-10,717
Closed -$132K – 1122
2025
Q1 		$132K Buy
+10,717
New +$151K ﹤0.01% 694

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

Magnetar Financial's SNDX Position: Q2 2026 in Review

Magnetar Financial increased its Syndax Pharmaceuticals (SNDX) stake by 131% in Q2 2026, buying an estimated $293K and bringing the position to 24,891 shares worth $544K. The position accounts for 0.01% of the portfolio, ranked #596.

Magnetar Financial first reported a position in SNDX in Q1 2025 and has held it in 3 quarters since. 243 funds tracked by Wall St. Rank hold SNDX as of Q2 2026.

  • Magnetar Financial held 24,891 shares of Syndax Pharmaceuticals worth $544K as of Q2 2026.
  • Magnetar Financial bought 14,100 Syndax Pharmaceuticals shares in Q2 2026, an estimated $293K.
  • Syndax Pharmaceuticals made up 0.01% of Magnetar Financial's portfolio in Q2 2026, its #596 holding.
  • Magnetar Financial first reported a position in Syndax Pharmaceuticals in Q1 2025 and has held it in 3 quarters since.
  • 243 funds tracked by Wall St. Rank held Syndax Pharmaceuticals as of Q2 2026.

Based on Magnetar Financial's 13F filing for Q2 2026, filed 14 Aug 2026.