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STLN · Starling Oncology, Inc.

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$6.54 +0.14 (+2.19%)
Market Cap
$652.26M
Shares
101.92M

Institutional ownership from SEC Form 13F filings. Investment managers with more than $100 million in U.S. equities must disclose their positions every quarter, within 45 days of quarter-end, so the holdings shown can lag the market by up to a quarter.

Holders: 131
Total Value: $233,719,071
Total Shares: 47,300,488

Institutional Ownership Trend

20 quarters

Holder Concentration

Across 131 13F filers · Δ vs Mar 31, 2026
Top Holder
11.0%
Sep 2023 → Jun 2026 · range 10.7% – 31.5%
+0.4 pts
Top 5
36.6%
Sep 2023 → Jun 2026 · range 36.6% – 83.8%
−3.3 pts
Top 10
56.0%
Sep 2023 → Jun 2026 · range 56.0% – 94.3%
−6.2 pts
HHI
444
Sep 2023 → Jun 2026 · range 444 – 1,838
Broadly held−48

Quarterly Activity

vs Mar 31, 2026
New
28
Increased
52
Decreased
27
Sold Out
22
Unchanged
24
Holder count: +6
Institutional value: +84.1%
Shares held: +4.3%

Top Buyers

vs Mar 31, 2026
Institution Added Now Holds Open

Top Sellers

vs Mar 31, 2026
Institution Sold Now Holds Open

Top New Positions

vs Mar 31, 2026
Institution Acquired Value (USD) Open

Top Sold-Out Positions

vs Mar 31, 2026
Institution Previously Held Last Value (USD) Open
Showing 100 of 140
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Holder Value (USD) % of 13F Shares Open
Key facts CIK 1799191 CUSIP 68236X100 13F (30d) 128 filings 128 filers Visit website Investor relations