STLN · Starling Oncology, Inc. · Holdings

$6.35 +0.14 (+2.17%) At close · Oct 2

Russell 2000 member Rebalance outlook locked

Market Cap

$678.76M

101.92M

Volume · Oct 2 793.88K Avg daily vol (3M) 1.58M

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.

Use institutional holdings through the 13F API or MCP →

Some SEC filings for this period have not finished importing. Holder totals and changes may be incomplete; these filings remain queued for recovery.

Quarter:

Holders: 130

Total Value: $233,721,596

Total Shares: 47,300,953

Showing 1–100 of 139 holdings by value · page 1 of 2

Institutional Ownership Trend

25 quarters

Holder Concentration

Across 130 13F filers · Δ vs Mar 31, 2026

Top Holder

11.0%

+0.4 pts

Top 5

36.6%

−3.3 pts

Top 10

56.0%

−6.2 pts

HHI

444

Broadly held−48

Quarterly Activity

vs Mar 31, 2026

New

Increased

Decreased

Sold Out

Unchanged

Holder count: +5

Institutional value: +84.1%

Shares held: +4.3%

Top Buyers

vs Mar 31, 2026

Institution	Added	Now Holds
Mega Nuveen, LLC	+1,313,456	1,408,720
Mega SUSQUEHANNA INTERNATIONAL GROUP, LLP	+882,631	1,609,300
Mega MARSHALL WACE, LLP	+880,233	1,222,498
Mega JANE STREET GROUP, LLC	+722,169	1,351,063
Large RENAISSANCE TECHNOLOGIES LLC	+463,104	1,365,913

Top Sellers

vs Mar 31, 2026

Institution	Sold	Now Holds
Mega CITADEL ADVISORS LLC	−616,966	1,737,701
Mega UBS Group AG	−404,264	170,388
Mid CenterBook Partners LP	−326,763	1,241,660
Small Dauntless Investment Group, LLC	−298,487	163,570
Mega VANGUARD CAPITAL MANAGEMENT LLC	−211,250	3,265,531

Top New Positions

vs Mar 31, 2026

Institution	Acquired	Value (USD)
Large ACADIAN ASSET MANAGEMENT LLC	567,001	$3,078,815
Small Manatuck Hill Partners, LLC	450,000	$2,443,500
Large Walleye Capital LLC	445,832	$2,420,867
Mid Inspire Investing, LLC	424,008	$2,302,363
Small FORMULA GROWTH LTD	300,000	$1,629,000

Top Sold-Out Positions

vs Mar 31, 2026

Institution	Previously Held	Last Value (USD)
Small Kanen Wealth Management LLC	2,777,858	$8,528,024
Large Balyasny Asset Management L.P.	1,826,370	$5,606,955
Large Ensign Peak Advisors, Inc	626,852	$1,924,435
Large Centiva Capital, LP	224,245	$688,432
Small TIFF ADVISORY SERVICES, LLC	195,469	$600,089

Filter: New 26 Increased 52 Reduced 28 Sold out 21 Unchanged 24

Showing 100 of 139

All Common Calls Puts

Compact Export CSV

Holder

Value (USD)

% of 13F

BlackRock, Inc.

$25,787,231

11.03%

4,749,030

This filing is a combination report: the position is filed across the managers below.

Manager	Shares	Value (USD)	% of position	Discretion
BLACKROCK FINANCIAL MANAGEMENT INC/DE	31,064	$168,677	0.7%	Sole
BlackRock Investment Management, LLC	228,785	$1,242,302	4.8%	Sole
BLACKROCK ADVISORS LLC	154,354	$838,142	3.3%	Sole
BlackRock Fund Advisors	2,968,226	$16,117,467	62.5%	Sole
BlackRock Institutional Trust Company, N.A.	1,236,740	$6,715,498	26.0%	Sole
Aperio Group, LLC	129,861	$705,145	2.7%	Sole

DEERFIELD MANAGEMENT COMPANY, L.P.

$18,245,082

7.81%

3,360,052

This filing is a combination report: the position is filed across the managers below.

Manager	Shares	Value (USD)	% of position	Discretion
Deerfield UGP, LLC	3,360,052	$18,245,082	100.0%	Defined

VANGUARD CAPITAL MANAGEMENT LLC

$17,731,833

7.59%

3,265,531

JOSH ARNOLD INVESTMENT CONSULTANT, LLC

$13,381,469

5.73%

2,464,359

GEODE CAPITAL MANAGEMENT, LLC

$10,316,988

4.41%

1,899,998

This filing is a combination report: the position is filed across the managers below.

Manager	Shares	Value (USD)	% of position	Discretion
GEODE CAPITAL MANAGEMENT TRUST COMPANY, LLC	265,093	$1,439,454	14.0%	Defined
Held directly	1,634,905	$8,877,534	86.0%	Defined

GOLDMAN SACHS GROUP INC

$9,422,879

4.03%

1,735,337

This filing is a combination report: the position is filed across the managers below.

Manager	Shares	Value (USD)	% of position	Discretion
GOLDMAN SACHS & CO. LLC	754,862	$4,098,900	43.5%	Defined
GOLDMAN SACHS ASSET MANAGEMENT, L.P.	961,826	$5,222,715	55.4%	Defined
Goldman Sachs Trust Company, N.A. joint	18,649	$101,264	1.1%	Other

WEXFORD CAPITAL LP

$9,292,483

3.98%

1,711,323

STATE STREET CORP

$8,432,339

3.61%

1,552,917

This filing is a combination report: the position is filed across the managers below.

Manager	Shares	Value (USD)	% of position	Discretion
STATE STREET GLOBAL ADVISORS EUROPE LIMITED joint	1,552,917	$8,432,339	100.0%	Defined

SUSQUEHANNA INTERNATIONAL GROUP, LLP

$8,254,143

3.53%

1,520,100

This filing is a combination report: the position is filed across the managers below.

Manager	Shares	Value (USD)	% of position	Discretion
SUSQUEHANNA SECURITIES, LLC	1,520,100	$8,254,143	100.0%	Other

Nuveen, LLC

$7,649,348

3.27%

1,408,720

This filing is a combination report: the position is filed across the managers below.

Manager	Shares	Value (USD)	% of position	Discretion
Nuveen Asset Management, LLC joint	3,399	$18,456	0.2%	Defined
TIAA CREF INVESTMENT MANAGEMENT LLC joint	191,890	$1,041,962	13.6%	Defined
TEACHERS ADVISORS, LLC joint	1,213,431	$6,588,930	86.1%	Defined

RENAISSANCE TECHNOLOGIES LLC

$7,416,907

3.17%

1,365,913

CenterBook Partners LP

$6,742,213

2.88%

1,241,660

MARSHALL WACE, LLP

$6,638,163

2.84%

1,222,498

This filing is a combination report: the position is filed across the managers below.

Manager	Shares	Value (USD)	% of position	Discretion
Marshall Wace North America L.P. joint	1,222,498	$6,638,163	100.0%	Other

VANGUARD PORTFOLIO MANAGEMENT LLC

$5,468,210

2.34%

1,007,037

CITADEL ADVISORS LLC

$4,854,968

2.08%

894,101

This filing is a combination report: the position is filed across the managers below.

Manager	Shares	Value (USD)	% of position	Discretion
Citadel Securities GP LLC	709,010	$3,849,924	79.3%	Defined
Held directly	185,091	$1,005,044	20.7%	Defined

JANE STREET GROUP, LLC

$4,627,244

1.98%

852,163

This filing is a combination report: the position is filed across the managers below.

Manager	Shares	Value (USD)	% of position	Discretion
Jane Street Capital, LLC	162,224	$880,876	19.0%	Defined
Jane Street Global Trading, LLC	689,939	$3,746,368	81.0%	Defined

CITADEL ADVISORS LLC

$4,176,756

1.79%

769,200

This filing is a combination report: the position is filed across the managers below.

Manager	Shares	Value (USD)	% of position	Discretion
Citadel Securities GP LLC	769,200	$4,176,756	100.0%	Defined

BRC Group Holdings, Inc.

$4,032,279

1.73%

742,593

ARROWSTREET CAPITAL, LIMITED PARTNERSHIP

$3,860,121

1.65%

710,888

TWO SIGMA INVESTMENTS, LP

$3,631,795

1.55%

668,839

NORTHERN TRUST CORP

$3,212,028

1.37%

591,534

This filing is a combination report: the position is filed across the managers below.

Manager	Shares	Value (USD)	% of position	Discretion
NORTHERN TRUST CO joint	579,370	$3,145,978	97.9%	Defined
DWS INVESTMENT MANAGEMENT AMERICAS, INC joint	12,164	$66,050	2.1%	Other

ACADIAN ASSET MANAGEMENT LLC

$3,078,815

1.32%

567,001

This filing is a combination report: the position is filed across the managers below.

Manager	Shares	Value (USD)	% of position	Discretion
Acadian Inc	567,001	$3,078,815	100.0%	Defined

VANGUARD FIDUCIARY TRUST CO

$2,726,126

1.17%

502,049

FourWorld Capital Management LLC

$2,710,634

1.16%

499,196

JANE STREET GROUP, LLC

$2,472,279

1.06%

455,300

This filing is a combination report: the position is filed across the managers below.

Manager	Shares	Value (USD)	% of position	Discretion
Jane Street Capital, LLC	455,300	$2,472,279	100.0%	Defined

Manatuck Hill Partners, LLC

$2,443,500

1.05%

450,000

Walleye Capital LLC

$2,420,867

1.04%

445,832

Inspire Investing, LLC

$2,302,363

0.99%

424,008

JPMORGAN CHASE & CO

$2,222,758

0.95%

409,348

This filing is a combination report: the position is filed across the managers below.

Manager	Shares	Value (USD)	% of position	Discretion
JPMorgan Chase Bank, N.A.	55,701	$302,456	13.6%	Defined
J.P. Morgan Investment Management Inc.	327,687	$1,779,340	80.1%	Defined
J.P. Morgan Securities LLC	25,960	$140,962	6.3%	Defined

BANK OF AMERICA CORP /DE/

$2,128,543

0.91%

391,997

This filing is a combination report: the position is filed across the managers below.

Manager	Shares	Value (USD)	% of position	Discretion
BANK OF AMERICA NA	357,880	$1,943,288	91.3%	Defined
BOFA SECURITIES, INC.	34,117	$185,255	8.7%	Defined

Invesco Ltd.

$1,857,960

0.79%

342,166

This filing is a combination report: the position is filed across the managers below.

Manager	Shares	Value (USD)	% of position	Discretion
Invesco Advisers, Inc. joint	10,655	$57,856	3.1%	Defined
Invesco Trust Co joint	30,161	$163,774	8.8%	Defined
Invesco Capital Management LLC	301,350	$1,636,330	88.1%	Defined

FORMULA GROWTH LTD

$1,629,000

0.70%

300,000

SG Americas Securities, LLC

$1,428,888

0.61%

263,147

Mount Lucas Management LP

$1,357,500

0.58%

250,000

BOOTHBAY FUND MANAGEMENT, LLC

$1,267,247

0.54%

233,379

CHARLES SCHWAB INVESTMENT MANAGEMENT INC

$1,227,218

0.53%

226,007

Informed Momentum Co LLC

$1,023,375

0.44%

188,467

Bank of New York Mellon Corp

$960,831

0.41%

176,949

This filing is a combination report: the position is filed across the managers below.

Manager	Shares	Value (USD)	% of position	Discretion
Mellon Investments Corporation	57,310	$311,193	32.4%	Defined
The Bank of New York Mellon	117,758	$639,425	66.5%	Defined
BNY Mellon, NA joint	1,880	$10,208	1.1%	Defined
Held directly	1	$5	0.0%	Defined

Dauntless Investment Group, LLC

$888,185

0.38%

163,570

UBS Group AG

$832,272

0.36%

153,273

This filing is a combination report: the position is filed across the managers below.

Manager	Shares	Value (USD)	% of position	Discretion
UBS Financial Services Inc	29,000	$157,470	18.9%	Defined
UBS AG	124,273	$674,802	81.1%	Defined

MORGAN STANLEY

$733,509

0.31%

135,085

This filing is a combination report: the position is filed across the managers below.

Manager	Shares	Value (USD)	% of position	Discretion
MORGAN STANLEY & CO INTERNATIONAL PLC	7,229	$39,253	5.4%	Defined
MORGAN STANLEY & CO. LLC	20,870	$113,324	15.4%	Defined
MORGAN STANLEY CAPITAL SERVICES, LLC	15,860	$86,119	11.7%	Defined
MORGAN STANLEY SMITH BARNEY LLC	87,297	$474,022	64.6%	Defined
PARAMETRIC PORTFOLIO ASSOCIATES LLC	3,829	$20,791	2.8%	Defined

KINGSWOOD WEALTH ADVISORS, LLC

$661,917

0.28%

121,900

Creative Planning

$596,892

0.26%

109,925

This filing is a combination report: the position is filed across the managers below.

Manager	Shares	Value (USD)	% of position	Discretion
CREATIVE PLANNING TRUST Co LLC	6,094	$33,090	5.5%	Defined
Held directly	103,831	$563,802	94.5%	Sole

Panoramic Capital, LLC

$543,000

0.23%

100,000

GSA CAPITAL PARTNERS LLP

$536,087

0.23%

98,727

MILLENNIUM MANAGEMENT LLC

$526,031

0.23%

96,875

Cetera Investment Advisers

$485,523

0.21%

89,415

SUSQUEHANNA INTERNATIONAL GROUP, LLP

$484,356

0.21%

89,200

This filing is a combination report: the position is filed across the managers below.

Manager	Shares	Value (USD)	% of position	Discretion
SUSQUEHANNA SECURITIES, LLC	89,200	$484,356	100.0%	Other

HighTower Advisors, LLC

$466,100

0.20%

85,838

WHITE PINE CAPITAL LLC

$464,905

0.20%

85,618

T3 Companies, LLC

$434,400

0.19%

80,000

This filing is a combination report: the position is filed across the managers below.

Manager	Shares	Value (USD)	% of position	Discretion
T3 Global Trading, LLC	80,000	$434,400	100.0%	Sole

WELLS FARGO & COMPANY/MN

$426,308

0.18%

78,510

This filing is a combination report: the position is filed across the managers below.

Manager	Shares	Value (USD)	% of position	Discretion
WELLS FARGO BANK N A	68,501	$371,960	87.3%	Defined
WELLS FARGO ADVISORS FINANCIAL NETWORK, LLC	10,000	$54,300	12.7%	Defined
Wells Fargo Securities, LLC	9	$48	0.0%	Defined

FMR LLC

$424,121

0.18%

78,107

This filing is a combination report: the position is filed across the managers below.

Manager	Shares	Value (USD)	% of position	Discretion
Fidelity Management & Research Co LLC	78,107	$424,121	100.0%	Defined

DEUTSCHE BANK AG\

$412,337

0.18%

75,937

This filing is a combination report: the position is filed across the managers below.

Manager	Shares	Value (USD)	% of position	Discretion
DWS INVESTMENT MANAGEMENT AMERICAS, INC	1,229	$6,673	1.6%	Defined
DWS Investments UK Ltd	74,708	$405,664	98.4%	Defined

CITADEL ADVISORS LLC

$403,992

0.17%

74,400

This filing is a combination report: the position is filed across the managers below.

Manager	Shares	Value (USD)	% of position	Discretion
Citadel Securities GP LLC	74,400	$403,992	100.0%	Defined

State of Wyoming

$395,749

0.17%

72,882

Squarepoint Ops LLC

$395,640

0.17%

72,862

This filing is a combination report: the position is filed across the managers below.

Manager	Shares	Value (USD)	% of position	Discretion
Squarepoint Capital LLP	72,862	$395,640	100.0%	Defined

ALLIANCEBERNSTEIN L.P.

$387,702

0.17%

71,400

This filing is a combination report: the position is filed across the managers below.

Manager	Shares	Value (USD)	% of position	Discretion
Equitable Holdings, Inc.	71,400	$387,702	100.0%	Defined

Fielder Capital Group LLC

$381,142

0.16%

70,192

PRICE T ROWE ASSOCIATES INC /MD/

$335,302

0.14%

61,750

This filing is a combination report: the position is filed across the managers below.

Manager	Shares	Value (USD)	% of position	Discretion
T. Rowe Price International Ltd	61,750	$335,302	100.0%	Defined

Allspring Global Investments Holdings, LLC

$278,461

0.12%

51,282

This filing is a combination report: the position is filed across the managers below.

Manager	Shares	Value (USD)	% of position	Discretion
Allspring Global Investments, LLC reporting on behalf of UBS ASSET MANAGEMENT AMERICAS INC	51,282	$278,461	100.0%	Defined

AQR CAPITAL MANAGEMENT LLC

$263,880

0.11%

48,597

This filing is a combination report: the position is filed across the managers below.

Manager	Shares	Value (USD)	% of position	Discretion
Arax Advisory Partners	16	$86	0.0%	Other
Held directly	48,581	$263,794	100.0%	Defined

MetLife Investment Management, LLC

$251,962

0.11%

46,402

This filing is a combination report: the position is filed across the managers below.

Manager	Shares	Value (USD)	% of position	Discretion
METLIFE INC	46,402	$251,962	100.0%	Defined

Private Advisor Group, LLC

$248,965

0.11%

45,850

EntryPoint Capital, LLC

$244,197

0.10%

44,972

JANE STREET GROUP, LLC

$236,748

0.10%

43,600

This filing is a combination report: the position is filed across the managers below.

Manager	Shares	Value (USD)	% of position	Discretion
Jane Street Capital, LLC	43,600	$236,748	100.0%	Defined

Innovative Asset Advisors Group, LLC

$195,480

0.08%

36,000

CITIGROUP INC

$194,106

0.08%

35,747

This filing is a combination report: the position is filed across the managers below.

Manager	Shares	Value (USD)	% of position	Discretion
Citigroup Financial Products Inc. joint	35,747	$194,106	100.0%	Defined

MIRAE ASSET GLOBAL ETFS HOLDINGS Ltd.

$190,652

0.08%

35,111

This filing is a combination report: the position is filed across the managers below.

Manager	Shares	Value (USD)	% of position	Discretion
Global X Management CO LLC joint	35,111	$190,652	100.0%	Defined

LOS ANGELES CAPITAL MANAGEMENT LLC

$184,267

0.08%

33,935

BARCLAYS PLC

$184,233

0.08%

33,929

This filing is a combination report: the position is filed across the managers below.

Manager	Shares	Value (USD)	% of position	Discretion
BARCLAYS BANK PLC	32,713	$177,631	96.4%	Defined
BARCLAYS CAPITAL INC.	1,216	$6,602	3.6%	Defined

ExodusPoint Capital Management, LP

$182,686

0.08%

33,644

Pekin Hardy Strauss, Inc.

$173,760

0.07%

32,000

Holt Capital Advisors, L.L.C. dba Holt Capital Partners, L.P.

$160,369

0.07%

29,534

Arax Advisory Partners

$158,626

0.07%

29,213

Vanguard Global Advisers, LLC

$156,785

0.07%

28,874

Police & Firemen's Retirement System of New Jersey

$150,014

0.06%

27,627

This filing is a combination report: the position is filed across the managers below.

Manager	Shares	Value (USD)	% of position	Discretion
Mellon Capital	27,627	$150,014	100.0%	Defined

PRUDENTIAL FINANCIAL INC

$145,659

0.06%

26,825

This filing is a combination report: the position is filed across the managers below.

Manager	Shares	Value (USD)	% of position	Discretion
PGIM Quantitative Solutions LLC	26,825	$145,659	100.0%	Defined

GLOBEFLEX CAPITAL L P

$141,782

0.06%

26,111

LPL Financial LLC

$135,163

0.06%

24,892

ROYAL BANK OF CANADA

$126,664

0.05%

23,327

This filing is a combination report: the position is filed across the managers below.

Manager	Shares	Value (USD)	% of position	Discretion
RBC CMA LTD.	2,329	$12,646	10.0%	Defined
RBC Capital Markets, LLC	7,827	$42,500	33.6%	Defined
RBC Dominion Securities Inc.	13,170	$71,513	56.5%	Defined
Held directly	1	$5	0.0%	Sole

AXQ CAPITAL, LP

$121,957

0.05%

22,460

FRANKLIN RESOURCES INC

$120,420

0.05%

22,177

This filing is a combination report: the position is filed across the managers below.

Manager	Shares	Value (USD)	% of position	Discretion
FIDUCIARY TRUST INTERNATIONAL LLC	90	$488	0.4%	Defined
FRANKLIN ADVISERS INC	22,087	$119,932	99.6%	Defined

BNP PARIBAS ARBITRAGE, SA

$116,533

0.05%

21,461

INTECH INVESTMENT MANAGEMENT LLC

$111,483

0.05%

20,531

MANUFACTURERS LIFE INSURANCE COMPANY, THE

$111,477

0.05%

20,530

This filing is a combination report: the position is filed across the managers below.

Manager	Shares	Value (USD)	% of position	Discretion
MANULIFE FINANCIAL CORP joint	20,530	$111,477	100.0%	Defined

Russell Investments Group, Ltd.

$110,011

0.05%

20,260

This filing is a combination report: the position is filed across the managers below.

Manager	Shares	Value (USD)	% of position	Discretion
Russell Investment Management, LLC	20,260	$110,011	100.0%	Defined

WINTON GROUP Ltd

$102,084

0.04%

18,800

Granite Investment Partners, LLC

$98,543

0.04%

18,148

NEW YORK STATE COMMON RETIREMENT FUND

$97,197

0.04%

17,900

VOYA INVESTMENT MANAGEMENT LLC

$82,237

0.04%

15,145

This filing is a combination report: the position is filed across the managers below.

Manager	Shares	Value (USD)	% of position	Discretion
Voya Investment Management Co. LLC joint	15,145	$82,237	100.0%	Defined

Blackhawk Capital Partners, LLC

$81,450

0.03%

15,000

Fermata Advisors, LLC

$69,504

0.03%

12,800

FreeGulliver LLC

$67,060

0.03%

12,350

Engineers Gate Manager LP

$67,017

0.03%

12,342

Jump Financial, LLC

$66,789

0.03%

12,300

This filing is a combination report: the position is filed across the managers below.

Manager	Shares	Value (USD)	% of position	Discretion
Jump Trading Holdings, LLC joint	12,300	$66,789	100.0%	Defined

OSAIC HOLDINGS, INC.

$63,899

0.03%

11,768

This filing is a combination report: the position is filed across the managers below.

Manager	Shares	Value (USD)	% of position	Discretion
OSAIC WEALTH, INC.	11,766	$63,889	100.0%	Defined
Osaic Advisory Services, LLC	2	$10	0.0%	Defined

R Squared Ltd

$62,347

0.03%

11,482

Wealthspire Advisors, LLC

$61,902

0.03%

11,400

Caitong International Asset Management Co., Ltd

$60,061

0.03%

11,061

Key facts CIK 1799191 CUSIP 68236X100 13F (30d) 2 filings 2 filers Visit website Investor relations