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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, Q4 2024

Institutional positions in Starling Oncology, Inc. as of Dec 31, 2024. 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
31
−3 vs. Q3 2024
Shares held
14.7M
−5.88M (−28.5%) vs. Q3 2024
Total value
$4.61M
−$2.12M (−31.5%) vs. Q3 2024
New holders
5
9 more added
Sold out
8
3 more reduced

Compare with Q3 2024: 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 holdersQ4 2024: 31 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 heldQ4 2024: $4.61M
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, Q4 2024

Shares, value and share of portfolio for each institution holding Starling Oncology, Inc.; share changes are against Q3 2024.

Institutions holding STLN in Q4 2024
InstitutionSharesValue% of portfolioChange in sharesAction
Deerfield Management Company, L.P. (Series C)3,360,052$1.04M0.02%00.0%Unchanged
Tiff Advisory Services Inc2,979,141$920.6K0.31%+346,256+13.2%Added
Cincinnati Insurance Co2,034,045$628.5K0.01%00.0%Unchanged
Vanguard Group Inc1,754,386$542.1K0.00%−29,068−1.6%Reduced
Balyasny Asset Management LLC1,725,562$533.2K0.00%00.0%Unchanged
FreeGulliver LLC600,747$185.6K0.10%+412,578+219.3%Added
Quattro Financial Advisors LLC162,724$112.7K0.03%00.0%Unchanged
Geode Capital Management, LLC347,347$107.4K0.00%−32,634−8.6%Reduced
FourWorld Capital Management LLC257,000$79.4K0.04%00.0%Unchanged
BlackRock, Inc.253,591$78.4K0.00%+651+0.3%Added
Renaissance Technologies LLC182,000$56.2K0.00%+12,000+7.1%Added
Virtu Financial LLC131,759$41.0K0.00%+131,759New
Jane Street Group, LLC127,659$39.4K0.00%+109,769+613.6%Added
Bank of New York Mellon Corp125,141$38.7K0.00%00.0%Unchanged
State Street Corp101,300$31.3K0.00%00.0%Unchanged
Saba Capital Management, L.P.94,264$29.1K0.00%00.0%Unchanged
HighTower Advisors, LLC81,362$25.1K0.00%00.0%Unchanged
Lee Financial Co81,362$25.1K0.00%00.0%Unchanged
Fielder Capital Group LLC70,192$21.7K0.01%00.0%Unchanged
Northern Trust Corp64,902$20.1K0.00%00.0%Unchanged
UBS Group AG61,961$19.1K0.00%+61,961New
XTX Topco Ltd37,250$11.5K0.00%+12,141+48.4%Added
Morgan Stanley30,392$9.39K0.00%00.0%Unchanged
Scientech Research LLC21,198$6.55K0.00%+21,198New
Tower Research Capital LLC (TRC)13,540$4.18K0.00%+4,741+53.9%Added
AMG National Trust Bank10,000$3.09K0.00%00.0%Unchanged
Bank of America Corp2,918$9020.00%+211+7.8%Added
Citigroup Inc634$1960.00%+609+2,436.0%Added
JPMorgan Chase & Co166$510.00%−5−2.9%Reduced
BNP Paribas Arbitrage, SA5$20.00%+5New
Capital Advisors, Ltd. LLC1,219$00.00%+1,219New
FMR LLC0$00.00%−4,749,900−100.0%Sold out
Kent Lake PR LLC0$00.00%−2,000,000−100.0%Sold out
Citadel Advisors LLC0$00.00%−91,337−100.0%Sold out
Susquehanna International Group, LLP0$00.00%−34,411−100.0%Sold out
Cresset Asset Management, LLC0$00.00%−18,300−100.0%Sold out
Two Sigma Securities, LLC0$00.00%−16,997−100.0%Sold out
Qube Research & Technologies Ltd0$00.00%−15,642−100.0%Sold out
Boston Financial Mangement LLC0$00.00%−2,679−100.0%Sold out