CP
STLN

CenterBook Partners’s Starling Oncology Institute, Inc. Common Stock STLN Stock Holding History

CenterBook Partners’s Portfolio STLN Stock Details STLN Fund Activity
Bought
Maintained
Sold
Quarter Market Value Status Shares Change in
Stake 		Trade Value Portfolio Weight Portfolio Position
2026
Q1 		$4.82M Sell
1,568,423
-1,460,889
-48% -$4.48M 0.26% 106
2025
Q4 		$10.8M Buy
3,029,312
+324,662
+12% +$1.2M 0.53% 38
2025
Q3 		$9.44M Buy
2,704,650
+1,988,751
+278% +$6.81M 0.47% 44
2025
Q2 		$1.47M Buy
+715,899
New +$1.79M 0.08% 280

Other funds holding STLN

BlackRock
BlackRock New York $5.72T AUM 30.48% 1-Year Est. Return
VCM
Vanguard Capital Management Malvern, Pennsylvania $4.04T AUM
DM
Deerfield Management New York $8.48B AUM 99.04% 1-Year Est. Return
KWM
Kanen Wealth Management Coconut Creek, Florida $278M AUM 38.85% 1-Year Est. Return
JAIC
Josh Arnold Investment Consultant Edina, Minnesota $117M AUM 26.5% 1-Year Est. Return
Balyasny Asset Management
Balyasny Asset Management Chicago, Illinois $77.1B AUM 42.89% 1-Year Est. Return
Geode Capital Management
Geode Capital Management Boston, Massachusetts $1.61T AUM 30.72% 1-Year Est. Return
WC
Wexford Capital West Palm Beach, Florida $690M AUM 57.88% 1-Year Est. Return
State Street
State Street Boston, Massachusetts $2.9T AUM 29.55% 1-Year Est. Return
Goldman Sachs
Goldman Sachs New York $871B AUM 31.28% 1-Year Est. Return

CenterBook Partners's STLN Position: Q1 2026 in Review

CenterBook Partners reduced its Starling Oncology Institute, Inc. Common Stock (STLN) stake by 48% in Q1 2026, selling an estimated $4.48M and leaving 1,568,423 shares worth $4.82M. The position accounts for 0.26% of the portfolio, ranked #106.

CenterBook Partners first reported a position in STLN in Q2 2025 and has held it in 4 quarters since. The position peaked at $10.8M in Q4 2025. 115 funds tracked by Wall St. Rank hold STLN as of Q1 2026.

  • CenterBook Partners held 1,568,423 shares of Starling Oncology Institute, Inc. Common Stock worth $4.82M as of Q1 2026.
  • CenterBook Partners sold 1,460,889 Starling Oncology Institute, Inc. Common Stock shares in Q1 2026, an estimated $4.48M.
  • Starling Oncology Institute, Inc. Common Stock made up 0.26% of CenterBook Partners's portfolio in Q1 2026, its #106 holding.
  • CenterBook Partners first reported a position in Starling Oncology Institute, Inc. Common Stock in Q2 2025 and has held it in 4 quarters since.
  • CenterBook Partners's Starling Oncology Institute, Inc. Common Stock position peaked at $10.8M in Q4 2025.
  • 115 funds tracked by Wall St. Rank held Starling Oncology Institute, Inc. Common Stock as of Q1 2026.

Based on CenterBook Partners's 13F filing for Q1 2026, filed 5 May 2026.