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Starling Oncology, Inc.

STLN
Exchange
Nasdaq
Industry
Services-Offices & Clinics of Doctors of Medicine
SEC CIK
0001799191

In the last 90 days, Starling Oncology, Inc. insiders filed 3 open-market purchases and 2 sales; 119 institutions reported holding it in 13F filings for Q2 2026, worth $217.6M in total; no superinvestor holds it.

Other share classesDFPHSTLNW

13F holders, Q3 2023

Institutional positions in Starling Oncology, Inc. as of Sep 30, 2023. Investment managers with $100 million or more in US stocks report their long positions on Form 13F within 45 days after each quarter ends. How 13F works

Institutional holders
36
−2 vs. Q2 2023
Shares held
15.1M
+1.19M (+8.6%) vs. Q2 2023
Total value
$21.2M
+$13.5M (+176.5%) vs. Q2 2023
New holders
9
11 more added
Sold out
11
10 more reduced

Compare with Q2 2023: new holders, sold out and not filed yet

Holders and value by quarter

Institutions reporting STLN on Form 13F each quarter since Q1 2021, and the total value they reported. Values are as of each quarter end, so they also move with the share price.

Institutional holdersQ3 2023: 36 institutions
Q1 2021: 0 institutionsQ2 2021: 0 institutionsQ3 2021: 1 institutionQ4 2021: 21 institutionsQ1 2022: 29 institutionsQ2 2022: 36 institutionsQ3 2022: 39 institutionsQ4 2022: 40 institutionsQ1 2023: 39 institutionsQ2 2023: 38 institutionsQ3 2023: 36 institutionsQ4 2023: 45 institutionsQ1 2024: 47 institutionsQ2 2024: 39 institutionsQ3 2024: 34 institutionsQ4 2024: 31 institutionsQ1 2025: 43 institutionsQ2 2025: 79 institutionsQ3 2025: 108 institutionsQ4 2025: 117 institutionsQ1 2026: 115 institutionsQ2 2026: 119 institutions
Value heldQ3 2023: $21.2M
Q1 2021: $0Q2 2021: $0Q3 2021: $2.50MQ4 2021: $199.9MQ1 2022: $159.0MQ2 2022: $110.9MQ3 2022: $108.4MQ4 2022: $38.7MQ1 2023: $14.9MQ2 2023: $7.66MQ3 2023: $21.2MQ4 2023: $37.6MQ1 2024: $27.2MQ2 2024: $8.60MQ3 2024: $6.73MQ4 2024: $4.61MQ1 2025: $19.4MQ2 2025: $65.5MQ3 2025: $121.0MQ4 2025: $137.1MQ1 2026: $118.9MQ2 2026: $217.6M
Institutions holding STLN and their total value by quarter
QuarterHoldersValue
Q2 2026119$217.6M
Q1 2026115$118.9M
Q4 2025117$137.1M
Q3 2025108$121.0M
Q2 202579$65.5M
Q1 202543$19.4M
Q4 202431$4.61M
Q3 202434$6.73M
Q2 202439$8.60M
Q1 202447$27.2M
Q4 202345$37.6M
Q3 202336$21.2M
Q2 202338$7.66M
Q1 202339$14.9M
Q4 202240$38.7M
Q3 202239$108.4M
Q2 202236$110.9M
Q1 202229$159.0M
Q4 202121$199.9M
Q3 20211$2.50M
Q2 20210$0
Q1 20210$0

Institutions, Q3 2023

Shares, value and share of portfolio for each institution holding Starling Oncology, Inc.; share changes are against Q2 2023.

Institutions holding STLN in Q3 2023
InstitutionSharesValue% of portfolioChange in sharesAction
FMR LLC4,754,183$6.66M0.00%+1000.0%Added
Deerfield Management Company, L.P. (Series C)3,360,052$4.70M0.10%00.0%Unchanged
Josh Arnold Investment Consultant, LLC1,877,472$2.65M2.76%+819,321+77.4%Added
Vanguard Group Inc1,758,034$2.46M0.00%−4,916−0.3%Reduced
Hongkou Capital LP904,689$1.27M5.36%00.0%Unchanged
Balyasny Asset Management LLC437,579$612.6K0.00%+437,579New
Tiff Advisory Services Inc423,405$592.8K0.50%+423,405New
Geode Capital Management, LLC305,501$427.8K0.00%+45,082+17.3%Added
BlackRock Inc.237,846$333.0K0.00%+88,415+59.2%Added
Kent Lake Capital LLC183,215$256.5K0.10%+183,215New
Diametric Capital, LP155,344$217.5K0.09%+26,952+21.0%Added
Millennium Management LLC97,322$136.3K0.00%−105,356−52.0%Reduced
Saba Capital Management, L.P.94,264$132.0K0.00%−76,114−44.7%Reduced
State Street Corp78,000$109.2K0.00%+6,000+8.3%Added
Renaissance Technologies LLC72,300$101.0K0.00%−3,342−4.4%Reduced
Prelude Capital Management, LLC49,869$69.8K0.01%+8,652+21.0%Added
XTX Topco Ltd46,100$64.5K0.01%+46,100New
Northern Trust Corp44,588$62.4K0.00%−3,522−7.3%Reduced
Citadel Advisors LLC42,717$59.8K0.00%+42,717New
Pinebridge Investments, L.P.29,779$41.7K0.00%+29,779New
Qube Research & Technologies Ltd21,301$29.8K0.00%−49,217−69.8%Reduced
JustInvest LLC21,269$29.8K0.00%+21,269New
Brown Advisory Inc18,674$26.1K0.00%00.0%Unchanged
Mariner, LLC18,302$25.6K0.00%+1,391+8.2%Added
First Republic Investment Management, Inc.18,300$25.6K0.00%00.0%Unchanged
Virtu Financial LLC14,044$20.0K0.00%+14,044New
Prudential Financial Inc13,000$18.2K0.00%+13,000New
Deutsche Bank AG9,435$13.2K0.00%−10,936−53.7%Reduced
Royal Bank of Canada7,870$11.0K0.00%+108+1.4%Added
Morgan Stanley5,462$7.65K0.00%−4,038−42.5%Reduced
Bank of America Corp3,906$5.47K0.00%−2−0.1%Reduced
Rhumbline Advisers2,175$3.04K0.00%−10,037−82.2%Reduced
Citigroup Inc498$6970.00%00.0%Unchanged
Toronto Dominion Bank336$4700.00%00.0%Unchanged
Wells Fargo & Company229$3210.00%+44+23.8%Added
JPMorgan Chase & Co100$1400.00%+58+138.1%Added
Prosight Management, LP0$00.00%−455,302−100.0%Sold out
Y-Intercept (Hong Kong) Ltd0$00.00%−138,899−100.0%Sold out
Old Mission Capital LLC0$00.00%−52,740−100.0%Sold out
Cubist Systematic Strategies, LLC0$00.00%−35,621−100.0%Sold out
Jane Street Group, LLC0$00.00%−22,974−100.0%Sold out
Nwam LLC0$00.00%−20,000−100.0%Sold out
Point72 Asset Management, L.P.0$00.00%−14,147−100.0%Sold out
Tower Research Capital LLC (TRC)0$00.00%−3,640−100.0%Sold out
Point72 Middle East FZE0$00.00%−3,226−100.0%Sold out
UBS Group AG0$00.00%−2,414−100.0%Sold out
New York State Common Retirement Fund0$00.00%−309−100.0%Sold out