Fidelity Investments
STLN

Fidelity Investments’s Starling Oncology Institute, Inc. Common Stock STLN Stock Holding History

Fidelity Investments’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 		$152K Buy
49,531
+48,039
+3,220% +$147K ﹤0.01% 3621
2025
Q4 		$5.31K Buy
1,492
+866
+138% +$3.21K ﹤0.01% 4881
2025
Q3 		$2.19K Buy
626
+107
+21% +$367 ﹤0.01% 4923
2025
Q2 		$1.06K Buy
+519
New +$1.3K ﹤0.01% 4957
2024
Q4 		– Sell
-4,749,900
Closed -$1.55M – 5810
2024
Q3 		$1.55M Sell
4,749,900
-1,489
-0% -$617 ﹤0.01% 2471
2024
Q2 		$2.19M Sell
4,751,389
-2,159
-0% -$1.84K ﹤0.01% 2326
2024
Q1 		$7.51M Sell
4,753,548
-535
-0% -$1.02K ﹤0.01% 1960
2023
Q4 		$9.7M Sell
4,754,083
-100
-0% -$173 ﹤0.01% 1855
2023
Q3 		$6.66M Buy
4,754,183
+100
+0% +$103 ﹤0.01% 1955
2023
Q2 		$2.62M Sell
4,754,083
-7,245,917
-60% -$3.83M ﹤0.01% 2258
2023
Q1 		$8.13M Sell
12,000,000
-1,982
-0% -$2.53K ﹤0.01% 1953
2022
Q4 		$19.8M Buy
12,001,982
+1,713
+0% +$4.81K ﹤0.01% 1616
2022
Q3 		$55.6M Buy
12,000,269
+191
+0% +$1.12K 0.01% 1208
2022
Q2 		$60.7M Buy
12,000,078
+78
+0% +$568 0.01% 1177
2022
Q1 		$85.6M Hold
12,000,000
– – 0.01% 1135
2021
Q4 		$111M Buy
+12,000,000
New +$107M 0.01% 1057

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

Fidelity Investments's STLN Position: Q1 2026 in Review

Fidelity Investments increased its Starling Oncology Institute, Inc. Common Stock (STLN) stake by 3,220% in Q1 2026, buying an estimated $147K and bringing the position to 49,531 shares worth $152K. The position accounts for ﹤0.01% of the portfolio, ranked #3621.

Fidelity Investments first reported a position in STLN in Q4 2021 and has held it in 16 quarters since. The position peaked at $111M in Q4 2021. 115 funds tracked by Wall St. Rank hold STLN as of Q1 2026.

  • Fidelity Investments held 49,531 shares of Starling Oncology Institute, Inc. Common Stock worth $152K as of Q1 2026.
  • Fidelity Investments bought 48,039 Starling Oncology Institute, Inc. Common Stock shares in Q1 2026, an estimated $147K.
  • Starling Oncology Institute, Inc. Common Stock made up ﹤0.01% of Fidelity Investments's portfolio in Q1 2026, its #3621 holding.
  • Fidelity Investments first reported a position in Starling Oncology Institute, Inc. Common Stock in Q4 2021 and has held it in 16 quarters since.
  • Fidelity Investments's Starling Oncology Institute, Inc. Common Stock position peaked at $111M in Q4 2021.
  • 115 funds tracked by Wall St. Rank held Starling Oncology Institute, Inc. Common Stock as of Q1 2026.

Based on Fidelity Investments's 13F filing for Q1 2026, filed 15 May 2026.