Security Snapshot

Starling Oncology, Inc. - Common Stock, par value $0.0001 per share (TOI) Institutional Ownership

CUSIP: 68236X100

13F Institutional Holders and Ownership History from Q3 2021 to Q2 2026

Latest Period

Q2 2026

Institutions Reporting

119

Shares (Excl. Options)

40,090,586

Price

$5.43

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Latest holder snapshot 5 signals
Portfolio coverage rank
0%
Share change
+1,374,754
Value change
+$22,311,550
Number of holders
119
Issuer context Names, identifiers, and filing context for this profile. 3 identity fields
Shares outstanding
101,268,340
SEC-reported price per share
$5.29
Insider filing price
$5.29
13F Shares, Excluding Options vs Price
13F Value, Excluding Options
Total Investors

Key facts

  • TOI - Starling Oncology, Inc. - Common Stock, par value $0.0001 per share is tracked under CUSIP 68236X100.
  • 119 institutions reported positions in Q2 2026.
  • 3 significant owners is listed from Schedule 13D/13G reporting.

Change

  • Holder count moved from 115 to 119 between Q1 2026 and Q2 2026.
  • SEC-reported value moved from $118,924,902 to $217,590,724.

Research use

  • You can quickly see who holds this security, then open quarter and manager detail pages for full evidence.
  • 13F and Schedule 13D/13G sections are kept together so you can cross-check institutional and beneficial ownership context.

Evidence

Source: SEC Form 13F

Latest holder context comes from 119 institutions filings for Q2 2026.

Open SEC evidence

Security key

68236X100

Latest holder period

Q2 2026

13F holders

119

13D/G owners

3

CIK / CUSIP context first

13D/G owners

Significant owners

Large-stake holder rows connected to Schedule 13D/G evidence.

Rows
3
Security
TOI
Filer Ownership Change % Holdings Value Net Change Nb Shares Change % Reporting Name Report Period
Chernett Jorey 10% $27,110,730 10,115,944 Chernett Jorey 13 Mar 2026
M33 Growth I L.P. 4.9% $15,408,180 5,002,656 M33 Growth I L.P. 14 May 2026
SARIN RAVI YANG 4.7% $11,959,434 4,109,771 Ravi Sarin 26 Mar 2025

As of 30 Jun 2026, 119 institutional investors reported holding 40,090,586 shares of Starling Oncology, Inc. - Common Stock, par value $0.0001 per share (TOI). This represents 40% of the company’s total 101,268,340 outstanding shares.

13F concentration

Top 25 institutional shareholders

Largest 13F positions for this security by reported shares and value.

Top holder share
34%
Institution Ownership % Shares Held Share Change % Portfolio % Holdings Value
BlackRock, Inc. 4.7% 4,749,030 +7.5% 0% $25,787,233
DEERFIELD MANAGEMENT COMPANY, L.P. 3.3% 3,360,052 0% 0.19% $18,245,082
VANGUARD CAPITAL MANAGEMENT LLC 3.2% 3,265,531 -6.1% 0% $17,731,833
JOSH ARNOLD INVESTMENT CONSULTANT, LLC 2.4% 2,464,359 0% 8.4% $13,381,469
GEODE CAPITAL MANAGEMENT, LLC 1.9% 1,899,998 +8.1% 0% $10,319,334
GOLDMAN SACHS GROUP INC 1.7% 1,735,337 +28% 0% $9,422,880
WEXFORD CAPITAL LP 1.7% 1,711,323 0% 1.3% $9,292,484
STATE STREET CORP 1.5% 1,552,917 +6.3% 0% $8,432,339
Nuveen, LLC 1.4% 1,408,720 +1379% 0% $7,649,350
RENAISSANCE TECHNOLOGIES LLC 1.3% 1,365,913 +51% 0.01% $7,416,908
CenterBook Partners LP 1.2% 1,241,660 -21% 0.33% $6,742,214
MARSHALL WACE, LLP 1.2% 1,222,498 +257% 0.01% $6,638,164
VANGUARD PORTFOLIO MANAGEMENT LLC 0.99% 1,007,037 +17% 0% $5,468,211
CITADEL ADVISORS LLC 0.88% 894,101 +47% 0% $4,854,968
JANE STREET GROUP, LLC 0.84% 852,163 +101% 0% $4,627,245
BRC Group Holdings, Inc. 0.73% 742,593 -20% 0.94% $4,032,280
ARROWSTREET CAPITAL, LIMITED PARTNERSHIP 0.7% 710,888 +69% 0% $3,860,122
TWO SIGMA INVESTMENTS, LP 0.66% 668,839 +117% 0% $3,631,796
NORTHERN TRUST CORP 0.58% 591,534 +5.9% 0% $3,212,030
ACADIAN ASSET MANAGEMENT LLC 0.56% 567,001 0% $3,072,000
VANGUARD FIDUCIARY TRUST CO 0.5% 502,049 +3.9% 0% $2,726,126
FourWorld Capital Management LLC 0.49% 499,196 0% 3.5% $2,710,634
Manatuck Hill Partners, LLC 0.44% 450,000 0.81% $2,443,500
Walleye Capital LLC 0.44% 445,832 0.01% $2,420,868
Inspire Investing, LLC 0.42% 424,008 0.09% $2,302,363

Quarter history

Institutional holders across reporting periods

Holder count, reported shares/value, and median price by quarter.

Periods
20
Latest
Q2 2026
Rows shown
1-20 of 20
Period 13F Shares, Excl. Options Value, Excl. Options Value Change Price (Median) Investors
2026 Q2 40,090,586 $217,590,724 +$22,311,550 $5.43 119
2026 Q1 38,763,593 $118,924,902 -$589,812 $3.07 115
2025 Q4 38,505,676 $137,199,596 +$13,731,282 $3.56 116
2025 Q3 34,670,910 $120,993,806 +$10,399,257 $3.49 107
2025 Q2 31,474,503 $64,523,702 +$31,211,552 $2.05 78
2025 Q1 16,901,932 $19,267,414 +$2,727,938 $1.14 42
2024 Q4 14,712,600 $4,608,917 -$2,191,797 $0.31 30
2024 Q3 20,589,694 $6,982,762 +$385,704 $0.33 34
2024 Q2 18,701,866 $8,832,828 -$155,334 $0.46 38
2024 Q1 17,222,037 $27,535,675 -$2,492,260 $1.58 44
2023 Q4 18,436,129 $37,608,749 +$6,554,810 $2.04 44
2023 Q3 15,107,160 $21,169,015 +$1,157,191 $1.40 36
2023 Q2 13,916,345 $7,656,692 -$4,490,020 $0.55 37
2023 Q1 21,905,923 $14,849,314 -$1,309,674 $0.68 37
2022 Q4 23,473,725 $38,730,078 -$1,269,944 $1.65 37
2022 Q3 23,327,364 $108,006,612 +$6,672,135 $4.63 39
2022 Q2 21,874,386 $110,684,000 +$2,844,383 $5.06 33
2022 Q1 17,791,143 $126,852,000 -$752,294 $7.13 27
2021 Q4 21,118,138 $199,883,000 +$185,679,000 $9.75 21
2021 Q3 252,439 $2,504,000 +$2,504,000 $9.92 1
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