Star Bulk Carriers SBLK Institutional Ownership

NASDAQ SBLK

$29.36 +0.16 (+0.55%)

At close: Sep 30, 2026 · 4:00 PM EDT

Institutions by Trading Activity

202 Institutions

Increased 96 47.5%

Unchanged 40 19.8%

Reduced 66 32.7%

Ownership Statistics

13F · as of 30 Jun, 2026

Institutional Ownership

34.75%

▲+1.63 pp QoQ

Shares Held by Institutions

39.96Mn

of 115.00Mn outstanding

▲+9.62% QoQ

Shares Outstanding

115.00Mn

75.04Mn held outside 13F filers

Institutional Investors

202

filed 13F for Jun 2026

▲+14 vs prior quarter

Net Shares Added (QoQ)

+3.51Mn

accumulated since last quarter

Value of Holdings

$1.17Bn

reported market value

Shares Owned by Institutions

Shares held % of outstanding

Latest —

Average ownership —

Peak ownership —

Shares Purchased/Sold by Institutions

Accumulated Distributed

Latest quarter —

Net over range —

Accumulating quarters —

Ownership Summary

Quarter ending 30 Jun, 2026

Star Bulk Carriers Corp. (NASDAQ:SBLK) has 202 institutional investors with active 13F positions as of June 2026.

Collectively, these holders controlled 34.7% of Star Bulk Carriers's outstanding shares in June 2026, up from 33.1% in March 2026.
They increased total shares held in SBLK by 9.62% quarter over quarter, and investors in Star Bulk Carriers increased 18.82% from a year ago.
During the quarter, 96 of these 202 funds increased positions in SBLK, 66 reduced exposure, and 40 held steady.
The aggregate institutional position in Star Bulk Carriers amounted to 39.96Mn shares as of June 2026, up by 3.51Mn shares quarter on quarter, and up 5.42Mn shares year over year.
As of June 30, 2026, the biggest holder of Star Bulk Carriers is TWO SIGMA INVESTMENTS, LP at 3.53Mn shares, representing 3.07% of shares outstanding.
The most significant purchases of SBLK for the quarter ending June 2026 came from BlackRock, Inc. (2.22Mn), Encompass Capital Advisors LLC (962.5K), ACADIAN ASSET MANAGEMENT LLC (787.44K), Artemis Investment Management LLP (685.92K), Marex Group Ltd (602.0K).
The largest sales of SBLK for the quarter ending June 2026 came from Boston Partners (838.24K), D. E. Shaw & Co., Inc. (582.56K), HRT FINANCIAL LP (565.81K), Morgan Stanley (494.46K), MARSHALL WACE, LLP (430.27K).
Star Bulk Carriers's 10 largest shareholders as of June 2026 include TWO SIGMA INVESTMENTS, LP (3.53Mn), BlackRock, Inc. (2.82Mn), RENAISSANCE TECHNOLOGIES LLC (2.1Mn), VICTORY CAPITAL MANAGEMENT INC (2.03Mn), Goldman Sachs Group Inc (2.01Mn), Philosophy Capital Management LLC (1.75Mn), Focus Partners Wealth (1.26Mn), Qube Research & Technologies Ltd (1.16Mn), Morgan Stanley (1.04Mn), FEARNLEY ASSET MANAGEMENT AS (1.0Mn) per Business Quant data.

Form 13F Holdings

202 Institutional Holders

Report period 30 Jun, 2026

Total shares held 39.96Mn

Of outstanding 34.75%

#	Institution	CIK	Shares Held	% of Outstanding	Change (QoQ)	Change (%)	Value (USD)
1	TWO SIGMA INVESTMENTS, LP	0001179392	3,530,020	3.07%	▲517,057	+17.16%	$88.14Mn
2	BlackRock, Inc.	0002012383	2,817,294	2.45%	▲2,216,799	+369.16%	$70.35Mn
3	RENAISSANCE TECHNOLOGIES LLC	0001037389	2,099,637	1.83%	▲32,000	+1.55%	$52.43Mn
4	VICTORY CAPITAL MANAGEMENT INC	0001040188	2,027,422	1.76%	▲107,133	+5.58%	$50.62Mn
5	Goldman Sachs Group Inc	0000886982	2,014,371	1.75%	▲276,438	+15.91%	$50.30Mn
6	Philosophy Capital Management LLC	0001869199	1,752,666	1.52%	▼121,752	-6.50%	$43.76Mn
7	Focus Partners Wealth	0001542153	1,263,659	1.10%	▲123,836	+10.86%	$31.55Mn
8	Qube Research & Technologies Ltd	0001729829	1,156,624	1.01%	▲69,782	+6.42%	$28.88Mn
9	Morgan Stanley	0000895421	1,040,248	0.90%	▼494,457	-32.22%	$25.98Mn
10	FEARNLEY ASSET MANAGEMENT AS	0002056821	1,004,209	0.87%	▲53,003	+5.57%	$25.08Mn
11	Encompass Capital Advisors LLC	0001541901	962,500	0.84%	▲962,500	0.00%	$24.03Mn
12	ARROWSTREET CAPITAL, LIMITED PARTNERSHIP	0001164508	926,378	0.81%	▲168,952	+22.31%	$23.13Mn
13	Boston Partners	0001386060	788,200	0.69%	▼838,244	-51.54%	$19.69Mn
14	ACADIAN ASSET MANAGEMENT LLC	0000916542	788,099	0.69%	▲787,444	+120,220.46%	$19.66K
15	MARSHALL WACE, LLP	0001318757	786,668	0.68%	▼430,269	-35.36%	$19.64Mn
16	Artemis Investment Management LLP	0001535385	761,688	0.66%	▲685,915	+905.22%	$19.02Mn
17	Marex Group Ltd	0001997464	728,022	0.63%	▲601,998	+477.69%	$18.18Mn
18	Bridgewater Associates, LP	0001350694	718,057	0.62%	▲166,728	+30.24%	$17.93Mn
19	Jpmorgan Chase & Co	0000019617	675,646	0.59%	▲23,101	+3.54%	$16.65Mn
20	Allianz Asset Management GmbH	0001535323	649,841	0.57%	▼149,600	-18.71%	$16.23Mn

Showing 1 to 20 of 202 holders