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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, Q2 2023

Institutional positions in Starling Oncology, Inc. as of Jun 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
38
−1 vs. Q1 2023
Shares held
13.9M
−8.04M (−36.6%) vs. Q1 2023
Total value
$7.66M
−$7.19M (−48.4%) vs. Q1 2023
New holders
14
4 more added
Sold out
15
18 more reduced

Compare with Q1 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 holdersQ2 2023: 38 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 heldQ2 2023: $7.66M
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, Q2 2023

Shares, value and share of portfolio for each institution holding Starling Oncology, Inc.; share changes are against Q1 2023.

Institutions holding STLN in Q2 2023
InstitutionSharesValue% of portfolioChange in sharesAction
FMR LLC4,754,083$2.62M0.00%−7,245,917−60.4%Reduced
Deerfield Management Company, L.P. (Series C)3,360,052$1.85M0.04%00.0%Unchanged
Vanguard Group Inc1,762,950$970.0K0.00%−180,593−9.3%Reduced
Josh Arnold Investment Consultant, LLC1,058,151$582.2K0.57%+941,308+805.6%Added
Hongkou Capital LP904,689$497.6K1.57%+94,544+11.7%Added
Prosight Management, LP455,302$250.5K0.07%+173,400+61.5%Added
Geode Capital Management, LLC260,419$143.3K0.00%−271,648−51.1%Reduced
Millennium Management LLC202,678$111.5K0.00%+202,678New
Saba Capital Management, L.P.170,378$93.7K0.00%−4,135−2.4%Reduced
BlackRock Inc.149,431$82.2K0.00%−774,486−83.8%Reduced
Y-Intercept (Hong Kong) Ltd138,899$76.4K0.01%+138,899New
Diametric Capital, LP128,392$70.6K0.03%+128,392New
Renaissance Technologies LLC75,642$42.0K0.00%−56,858−42.9%Reduced
State Street Corp72,000$39.6K0.00%−347,621−82.8%Reduced
Qube Research & Technologies Ltd70,518$38.8K0.00%+70,518New
Old Mission Capital LLC52,740$29.0K0.00%+52,740New
Northern Trust Corp48,110$26.5K0.00%−214,268−81.7%Reduced
Prelude Capital Management, LLC41,217$22.7K0.00%+41,217New
Cubist Systematic Strategies, LLC35,621$19.6K0.00%+35,621New
Jane Street Group, LLC22,974$12.6K0.00%−24,153−51.3%Reduced
Deutsche Bank AG20,371$11.2K0.00%−572−2.7%Reduced
Nwam LLC20,000$11.0K0.00%+20,000New
Brown Advisory Inc18,674$10.3K0.00%+18,674New
First Republic Investment Management, Inc.18,300$10.1K0.00%00.0%Unchanged
Mariner, LLC16,911$9.30K0.00%+16,911New
Point72 Asset Management, L.P.14,147$7.78K0.00%+14,147New
Rhumbline Advisers12,212$6.72K0.00%−26,388−68.4%Reduced
Morgan Stanley9,500$5.23K0.00%−8,506−47.2%Reduced
Royal Bank of Canada7,762$4.00K0.00%+5,753+286.4%Added
Bank of America Corp3,908$2.15K0.00%−20,704−84.1%Reduced
Tower Research Capital LLC (TRC)3,640$2.00K0.00%−11,041−75.2%Reduced
Point72 Middle East FZE3,226$1.77K0.00%+3,226New
UBS Group AG2,414$1.33K0.00%−9,124−79.1%Reduced
Citigroup Inc498$2740.00%+498New
New York State Common Retirement Fund309$1700.00%−10,800−97.2%Reduced
Wells Fargo & Company185$1020.00%−6,673−97.3%Reduced
JPMorgan Chase & Co42$230.00%−27,497−99.8%Reduced
Toronto Dominion Bank336$00.00%+336New
Redmile Group, LLC0$00.00%−318,082−100.0%Sold out
Bank of New York Mellon Corp0$00.00%−93,656−100.0%Sold out
Charles Schwab Investment Management Inc0$00.00%−87,594−100.0%Sold out
Susquehanna International Group, LLP0$00.00%−44,019−100.0%Sold out
Two Sigma Investments, LP0$00.00%−42,775−100.0%Sold out
Allspring Global Investments Holdings, LLC0$00.00%−35,744−100.0%Sold out
Barclays PLC0$00.00%−19,840−100.0%Sold out
American International Group, Inc.0$00.00%−17,324−100.0%Sold out
SG Americas Securities, LLC0$00.00%−14,740−100.0%Sold out
California State Teachers Retirement System0$00.00%−13,345−100.0%Sold out
Invesco Ltd.0$00.00%−11,398−100.0%Sold out
Amalgamated Bank0$00.00%−5,104−100.0%Sold out
Legal & General Group Plc0$00.00%−4,141−100.0%Sold out
Ameritas Investment Partners, Inc.0$00.00%−1,409−100.0%Sold out
Nuveen Asset Management, LLC0$00.00%−52,343−100.0%Sold out