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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, Q1 2024

Institutional positions in Starling Oncology, Inc. as of Mar 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
47
+2 vs. Q4 2023
Shares held
17.3M
−1.19M (−6.4%) vs. Q4 2023
Total value
$27.2M
−$10.4M (−27.6%) vs. Q4 2023
New holders
7
14 more added
Sold out
5
12 more reduced

Compare with Q4 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 holdersQ1 2024: 47 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 heldQ1 2024: $27.2M
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, Q1 2024

Shares, value and share of portfolio for each institution holding Starling Oncology, Inc.; share changes are against Q4 2023.

Institutions holding STLN in Q1 2024
InstitutionSharesValue% of portfolioChange in sharesAction
FMR LLC4,753,548$7.51M0.00%−5350.0%Reduced
Deerfield Management Company, L.P. (Series C)3,360,052$5.31M0.09%00.0%Unchanged
Vanguard Group Inc1,783,454$2.82M0.00%+6,061+0.3%Added
Balyasny Asset Management LLC1,725,562$2.73M0.01%+472,525+37.7%Added
Kent Lake Capital LLC1,186,713$1.88M0.82%+101,542+9.4%Added
Hongkou Capital LP884,689$1.40M16.31%00.0%Unchanged
Cincinnati Insurance Co699,500$1.11M0.02%00.0%Unchanged
Tiff Advisory Services Inc423,405$669.0K0.30%00.0%Unchanged
Geode Capital Management, LLC354,098$559.6K0.00%+14,331+4.2%Added
FourWorld Capital Management LLC250,359$395.6K0.39%+250,359New
Element Pointe Advisors, LLC199,026$314.5K0.08%−199,026−50.0%Reduced
FreeGulliver LLC188,169$297.3K0.26%+123,169+189.5%Added
BlackRock Inc.149,431$236.1K0.00%−88,415−37.2%Reduced
Millennium Management LLC148,264$234.3K0.00%−27,148−15.5%Reduced
Renaissance Technologies LLC140,100$221.0K0.00%+50,800+56.9%Added
Squarepoint Ops LLC105,824$167.2K0.00%+8,962+9.3%Added
State Street Corp101,300$160.1K0.00%00.0%Unchanged
Saba Capital Management, L.P.94,264$148.9K0.00%00.0%Unchanged
Morgan Stanley70,554$111.5K0.00%+46,570+194.2%Added
Fielder Capital Group LLC70,192$110.9K0.05%00.0%Unchanged
Northern Trust Corp64,996$102.7K0.00%+1,053+1.6%Added
Quattro Financial Advisors LLC55,960$88.4K0.03%+55,960New
Bank of New York Mellon Corp45,068$71.2K0.00%−3,651−7.5%Reduced
Acadian Asset Management LLC38,639$60.0K0.00%00.0%Unchanged
Qube Research & Technologies Ltd31,010$49.0K0.00%+14,558+88.5%Added
Citadel Advisors LLC30,146$47.6K0.00%−113,694−79.0%Reduced
Lee Financial Co27,980$44.2K0.01%+27,980New
HighTower Advisors, LLC27,980$44.0K0.00%+27,980New
XTX Topco Ltd27,505$43.5K0.01%+9,494+52.7%Added
WealthShield Partners, LLC24,126$38.1K0.01%00.0%Unchanged
Prudential Financial Inc23,800$37.6K0.00%00.0%Unchanged
Diametric Capital, LP22,201$35.1K0.02%−35,894−61.8%Reduced
JustInvest LLC18,959$30.0K0.00%−1,722−8.3%Reduced
Brown Advisory Inc18,674$29.5K0.00%00.0%Unchanged
Mariner, LLC18,302$28.9K0.00%00.0%Unchanged
Nwam LLC27,679$24.5K0.00%+27,679New
Citigroup Inc12,854$20.3K0.00%+12,356+2,481.1%Added
UBS Group AG10,326$16.3K0.00%+10,326New
Deutsche Bank AG9,435$14.9K0.00%00.0%Unchanged
JPMorgan Chase & Co8,766$13.8K0.00%+8,646+7,205.0%Added
Tower Research Capital LLC (TRC)7,752$12.2K0.00%−4,294−35.6%Reduced
Bank of America Corp3,906$6.17K0.00%−28,334−87.9%Reduced
Rhumbline Advisers2,175$3.44K0.00%00.0%Unchanged
Wells Fargo & Company248$3920.00%+4+1.6%Added
Royal Bank of Canada55$00.00%−978−94.7%Reduced
Kirr Marbach & Co LLC2,725––+2,725New
Boston Financial Mangement LLC7,355––−2,130−22.5%Reduced
Josh Arnold Investment Consultant, LLC0$00.00%−1,856,329−100.0%Sold out
Marshall Wace, LLP0$00.00%−39,282−100.0%Sold out
Jane Street Group, LLC0$00.00%−28,187−100.0%Sold out
Prelude Capital Management, LLC0$00.00%−19,629−100.0%Sold out
Cubist Systematic Strategies, LLC0$00.00%−12,320−100.0%Sold out