Star Bulk Carriers Corp. (SBLK) Institutional Ownership

Institutions by Trading Activity

Ownership Statistics

0Shares Outstanding

519,326Shares held by institutions

$11,425,172Value of institutional holdings

29.90%Institutional ownership %

7.12%Shares Changed QoQ

167No. of institutional investors

Shares Owned by Institutions

Shares Purchased/Sold by Institutions

Ownership Summary

Star Bulk Carriers Corp. (NASDAQ:SBLK) showed up in the 13F filings of 170 institutional investors as of December 2025.

These investors held 28.8% of outstanding shares in December 2025, down from 29.3% in September 2025.
Their total shares held in SBLK increased 14.07% quarter over quarter, and separately, investors owning Star Bulk Carriers decreased 20.93% from a year ago.
During the quarter, 83 of these 170 funds increased positions in SBLK, 51 reduced exposure, and 36 held steady.
Combined, these investors held 32.84Mn shares in SBLK for December 2025, up by 4.05Mn shares quarter on quarter, and down 7.99Mn shares year over year.
As of December 31, 2025, ALLIANCEBERNSTEIN L.P. held the largest stake in Star Bulk Carriers with 5.83Mn shares, accounting for 5.11% of total shares outstanding.
Leading buyers of Star Bulk Carriers shares for the quarter ending December 2025 were MILLENNIUM MANAGEMENT LLC (807.75K), Point72 Asset Management, L.P. (807.15K), FEARNLEY ASSET MANAGEMENT AS (758.47K), Boston Partners (682.41K), TWO SIGMA INVESTMENTS, LP (562.4K).
The largest sellers of Star Bulk Carriers for the quarter ending December 2025 were BlackRock, Inc. (2.19Mn), UBS Group AG (893.72K), GEODE CAPITAL MANAGEMENT, LLC (493.55K), BALYASNY ASSET MANAGEMENT L.P. (459.75K), Bank Of America Corp /De/ (242.14K).
Star Bulk Carriers's 10 largest shareholders as of December 2025 include ALLIANCEBERNSTEIN L.P. (5.83Mn), Ameriprise Financial Inc (2.15Mn), OAKTREE CAPITAL MANAGEMENT LP (1.96Mn), RENAISSANCE TECHNOLOGIES LLC (1.83Mn), Philosophy Capital Management LLC (1.65Mn), Morgan Stanley (1.09Mn), Focus Partners Wealth (1.04Mn), UBS Group AG (915.98K), MILLENNIUM MANAGEMENT LLC (887.06K), Boston Partners (843.1K) per Business Quant data.

170 Institutional Holders

519,326 Total Shares Held

Rows:

Download Data

Owner Name	Date	Change (QoQ)	Change (%)	Value (USD)
BlackRock, Inc.	31 Dec, 2025	-2,185,121	-93.06%	$0.00
ALLIANCEBERNSTEIN L.P.	31 Dec, 2025	386,614	7.10%	$0.00
Philosophy Capital Management LLC	31 Dec, 2025	200,000	13.79%	$0.00
Rockefeller Capital Management L.P.	31 Dec, 2025	-6,805	-94.58%	$0.00
Ameriprise Financial Inc	31 Dec, 2025	-20,261	-0.94%	$0.00
UBS Group AG	31 Dec, 2025	-893,724	-49.39%	$0.00
OAKTREE CAPITAL MANAGEMENT LP	31 Dec, 2025	0	0.00%	$0.00
Point72 Asset Management, L.P.	31 Dec, 2025	807,152	0.00%	$0.00
RENAISSANCE TECHNOLOGIES LLC	31 Dec, 2025	-101,716	-5.26%	$0.00
FEARNLEY ASSET MANAGEMENT AS	31 Dec, 2025	758,468	0.00%	$0.00
Morgan Stanley	31 Dec, 2025	-54,916	-4.78%	$0.00
Jump Financial, LLC	31 Dec, 2025	476,101	0.00%	$0.00
Focus Partners Wealth	31 Dec, 2025	43,158	4.32%	$0.00
Marnell Management LLC	31 Dec, 2025	361,191	0.00%	$0.00
MILLENNIUM MANAGEMENT LLC	31 Dec, 2025	807,751	1,018.54%	$0.00
Russell Investments Group, Ltd.	31 Dec, 2025	76,818	42.26%	$0.00
Boston Partners	31 Dec, 2025	682,406	424.67%	$0.00
ExodusPoint Capital Management, LP	31 Dec, 2025	-82,651	-34.30%	$0.00
DnB Asset Management AS	31 Dec, 2025	-9,529	-1.15%	$0.00
KLP KAPITALFORVALTNING AS	31 Dec, 2025	150,000	0.00%	$0.00

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