Who owns SBLKWhat SBLK owns — n/a

Who owns Star Bulk Carriers Corp.?

Prices and market caps: Cboe delayed data, at least 15 minutes delayed. Not real-time. Fundamentals from company filings.

Institutional ownership of SBLK from SEC Form 13F filings across 227 reporting managers. All positions are from one synchronized reporting period — 2026-06-30 books, filed up to 45 days after quarter end — so every row is comparable.

As of the 2026-06-30 reporting period, 227 institutions disclosed 48.1M shares of Star Bulk Carriers Corp. worth $916.4M; the largest disclosed holder is BlackRock Inc.. Source: SEC Form 13F filings, parsed by EvidInvest.

227

13F holders

$916.4M

value, 2026 filers

48.1M

shares disclosed

new positions (2026 filers)

Top institutional holders

ordered by shares owned · positions as of 2026-06-30 · % of fund = share of the manager's own book · % of co. = share of SBLK's shares outstanding

#	Manager	Shares	Value	% of fund	% of co.	Δ shares QoQ
1	BlackRock Inc.	4.1M	$100.2M	0.0%	—	—
2	TWO SIGMA INVESTMENTS, LP	3.0M	$69.2M	0.1%	—	—
3	RENAISSANCE TECHNOLOGIES LLC	2.1M	$47.5M	0.1%	—	—
4	VICTORY CAPITAL MANAGEMENT INC	1.9M	$44.1M	0.0%	—	—
5	Philosophy Capital Management LLC	1.9M	$43.1M	2.6%	—	—
6	GOLDMAN SACHS GROUP INC	1.7M	$39.9M	0.0%	—	—
7	MORGAN STANLEY	1.5M	$35.3M	0.0%	—	—
8	MARSHALL WACE, LLP	1.2M	$28.0M	0.0%	—	—
9	D. E. Shaw & Co., Inc.	1.2M	$27.0M	0.0%	—	—
10	Colony Group, LLC	1.1M	$26.2M	0.0%	—	—
11	Qube Research & Technologies Ltd	1.1M	$25.0M	0.0%	—	—
12	JANE STREET GROUP, LLC	983,000	$22.6M	0.0%	—	—
13	COOPER CREEK PARTNERS MANAGEMENT LLC	866,033	$19.9M	0.7%	—	—
14	Boston Partners	788,200	$19.7M	0.0%	—	—
15	Artemis Investment Management LLP	761,688	$19.0M	0.2%	—	—
16	Allianz Asset Management GmbH	799,441	$18.4M	0.0%	—	—
17	Point72 Asset Management, L.P.	789,935	$18.1M	0.0%	—	—
18	HRT FINANCIAL LP	771,227	$17.7M	0.0%	—	—
19	Gratus Capital LLC	719,747	$17.5M	0.7%	—	—
20	ARROWSTREET CAPITAL, LIMITED PARTNERSHIP	757,426	$17.4M	0.0%	—	—
21	DnB Asset Management AS	743,785	$17.1M	0.1%	—	—
22	TUDOR INVESTMENT CORP ET AL	735,010	$16.9M	0.0%	—	—
23	MILLENNIUM MANAGEMENT LLC	719,501	$16.5M	0.0%	—	—
24	JPMORGAN CHASE & CO	652,545	$14.4M	0.0%	—	—
25	SUSQUEHANNA INTERNATIONAL GROUP, LLP	604,800	$13.9M	0.0%	—	—

Source: SEC Form 13F-HR filings (institutional managers over $100M in US-listed positions). 13Fs disclose long positions only, up to 45 days after quarter end; each manager's latest filed quarter is shown per row and dollar values are the manager's filed marks. Aggregates labeled "2026 filers" count only managers whose latest book is a 2026 quarter. Related: valuation · options positioning · supply chain. Research, not investment advice.