XT
STLN

XTX Topco’s Starling Oncology Institute, Inc. Common Stock STLN Stock Holding History

XTX Topco’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 		$277K Buy
90,346
+43,824
+94% +$134K ﹤0.01% 2549
2025
Q4 		$166K Buy
+46,522
New +$173K ﹤0.01% 2463
2025
Q3 		– Sell
-49,443
Closed -$101K – 3286
2025
Q2 		$101K Sell
49,443
-6,255
-11% -$15.6K ﹤0.01% 1882
2025
Q1 		$63.5K Buy
55,698
+18,448
+50% +$14.3K ﹤0.01% 1960
2024
Q4 		$11.5K Buy
37,250
+12,141
+48% +$3.15K ﹤0.01% 2131
2024
Q3 		$8.21K Buy
25,109
+13,652
+119% +$5.66K ﹤0.01% 1946
2024
Q2 		$5.27K Sell
11,457
-16,048
-58% -$13.7K ﹤0.01% 1745
2024
Q1 		$43.5K Buy
27,505
+9,494
+53% +$18.1K 0.01% 1493
2023
Q4 		$36.7K Sell
18,011
-28,089
-61% -$48.7K 0.01% 1287
2023
Q3 		$64.5K Buy
+46,100
New +$47.7K 0.01% 1247

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
CP
CenterBook Partners Greenwich, Connecticut $1.86B AUM 24.52% 1-Year Est. Return
State Street
State Street Boston, Massachusetts $2.9T AUM 29.55% 1-Year Est. Return

XTX Topco's STLN Position: Q1 2026 in Review

XTX Topco increased its Starling Oncology Institute, Inc. Common Stock (STLN) stake by 94% in Q1 2026, buying an estimated $134K and bringing the position to 90,346 shares worth $277K. The position accounts for ﹤0.01% of the portfolio, ranked #2549.

XTX Topco first reported a position in STLN in Q3 2023 and has held it in 10 quarters since. 115 funds tracked by Wall St. Rank hold STLN as of Q1 2026.

  • XTX Topco held 90,346 shares of Starling Oncology Institute, Inc. Common Stock worth $277K as of Q1 2026.
  • XTX Topco bought 43,824 Starling Oncology Institute, Inc. Common Stock shares in Q1 2026, an estimated $134K.
  • Starling Oncology Institute, Inc. Common Stock made up ﹤0.01% of XTX Topco's portfolio in Q1 2026, its #2549 holding.
  • XTX Topco first reported a position in Starling Oncology Institute, Inc. Common Stock in Q3 2023 and has held it in 10 quarters since.
  • 115 funds tracked by Wall St. Rank held Starling Oncology Institute, Inc. Common Stock as of Q1 2026.

Based on XTX Topco's 13F filing for Q1 2026, filed 15 May 2026.