Deerfield Management’s Starling Oncology Institute, Inc. Common Stock STLN Stock Holding History

Deerfield Management’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	$10.3M	Hold	3,360,052	–	–	0.12%	69
2025 Q4	$12M	Hold	3,360,052	–	–	0.15%	65
2025 Q3	$11.7M	Hold	3,360,052	–	–	0.18%	67
2025 Q2	$6.89M	Hold	3,360,052	–	–	0.13%	71
2025 Q1	$3.83M	Hold	3,360,052	–	–	0.08%	80
2024 Q4	$1.04M	Hold	3,360,052	–	–	0.02%	81
2024 Q3	$1.1M	Hold	3,360,052	–	–	0.02%	121
2024 Q2	$1.55M	Hold	3,360,052	–	–	0.03%	88
2024 Q1	$5.31M	Hold	3,360,052	–	–	0.09%	73
2023 Q4	$6.85M	Hold	3,360,052	–	–	0.13%	57
2023 Q3	$4.7M	Hold	3,360,052	–	–	0.1%	67
2023 Q2	$1.85M	Hold	3,360,052	–	–	0.04%	86
2023 Q1	$2.28M	Hold	3,360,052	–	–	0.05%	86
2022 Q4	$5.54M	Hold	3,360,052	–	–	0.11%	75
2022 Q3	$15.6M	Sell	3,360,052 -23,047	-0.7%	-$136K	0.31%	71
2022 Q2	$17.1M	Buy	3,383,099 +86,992	+3%	+$634K	0.35%	65
2022 Q1	$32.1M	Hold	3,296,107	–	–	0.72%	41
2021 Q4	$32.1M	Sell	3,296,107 -1,703,893	-34%	-$15.1M	0.67%	44
2021 Q3	$49.7M	Hold	5,000,000	–	–	0.97%	33
2021 Q2	$49.8M	Sell	5,000,000 -5,460,000	-52%	-$55M	0.88%	34
2021 Q1	$104M	Buy	10,460,000 +5,000,000	+92%	+$53.3M	2.19%	9
2020 Q4	$59M	Buy	+5,460,000	New	+$56.2M	1.17%	22

Other funds holding STLN

BlackRock New York $5.72T AUM 30.48% 1-Year Est. Return

VCM

Vanguard Capital Management Malvern, Pennsylvania $4.04T AUM

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 Chicago, Illinois $77.1B AUM 42.89% 1-Year Est. Return

Geode Capital Management Boston, Massachusetts $1.61T AUM 30.72% 1-Year Est. Return

Wexford Capital West Palm Beach, Florida $690M AUM 57.88% 1-Year Est. Return

CenterBook Partners Greenwich, Connecticut $1.86B AUM 24.52% 1-Year Est. Return

State Street Boston, Massachusetts $2.9T AUM 29.55% 1-Year Est. Return

Goldman Sachs New York $871B AUM 31.28% 1-Year Est. Return

Deerfield Management's STLN Position: Q1 2026 in Review

Deerfield Management held its Starling Oncology Institute, Inc. Common Stock (STLN) position steady in Q1 2026 at 3,360,052 shares worth $10.3M. The position accounts for 0.12% of the portfolio, ranked #69.

Deerfield Management first reported a position in STLN in Q4 2020 and has held it in 22 quarters since. The position peaked at $104M in Q1 2021. 115 funds tracked by Wall St. Rank hold STLN as of Q1 2026.

Deerfield Management held 3,360,052 shares of Starling Oncology Institute, Inc. Common Stock worth $10.3M as of Q1 2026.
Deerfield Management left its Starling Oncology Institute, Inc. Common Stock share count unchanged in Q1 2026.
Starling Oncology Institute, Inc. Common Stock made up 0.12% of Deerfield Management's portfolio in Q1 2026, its #69 holding.
Deerfield Management first reported a position in Starling Oncology Institute, Inc. Common Stock in Q4 2020 and has held it in 22 quarters since.
Deerfield Management's Starling Oncology Institute, Inc. Common Stock position peaked at $104M in Q1 2021.
115 funds tracked by Wall St. Rank held Starling Oncology Institute, Inc. Common Stock as of Q1 2026.

Based on Deerfield Management's 13F filing for Q1 2026, filed 15 May 2026.