Star Bulk Carriers Corp. (SBLK) Institutional Ownership

Institutions by Trading Activity

Ownership Statistics

115,743,750Shares Outstanding

2,696,167Shares held by institutions

$66,136,977Value of institutional holdings

28.29%Institutional ownership %

14.93%Shares Changed QoQ

163No. of institutional investors

Shares Owned by Institutions

Shares Purchased/Sold by Institutions

Ownership Summary

A total of 163 institutions have reported a stake in Star Bulk Carriers Corp. (NASDAQ:SBLK) as of December 2025, according to recent 13F filings with the SEC.

Institutional ownership in Star Bulk Carriers edged up to 28.3% in December 2025, compared to 25.3% in September 2025.
Institutional share ownership changed by 14.93% QoQ, while the number of institutional owners saw a decrease of 24.54% YoY.
During the quarter, 80 institutions bought more Star Bulk Carriers shares, 47 sold shares, and 36 of the 163 total investors held their position steady.
The aggregate institutional position in Star Bulk Carriers now stands at 32.74Mn shares as of December 2025, after investors increased their holdings (up by 4.25Mn shares quarter on quarter which is down 10.89Mn shares year over year).
With 5.83Mn shares, ALLIANCEBERNSTEIN L.P. commands the largest institutional position in Star Bulk Carriers as of December 31, 2025, equating to 5.04% of the company.
Among the most significant buyers of Star Bulk Carriers during December 2025 were MILLENNIUM MANAGEMENT LLC (807.75K), Point72 Asset Management, L.P. (807.15K), Boston Partners (682.41K), Marnell Management LLC (584.09K), TWO SIGMA INVESTMENTS, LP (562.40K).
Leading sellers of Star Bulk Carriers stock in December 2025 included BlackRock, Inc. (2.19Mn), UBS Group AG (893.72K), GEODE CAPITAL MANAGEMENT, LLC (493.55K), BALYASNY ASSET MANAGEMENT L.P. (459.75K), RENAISSANCE TECHNOLOGIES LLC (101.72K).
The top 10 institutional holders of Star Bulk Carriers for the quarter ending December 2025 included 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 (843.10K).

163 Institutional Holders

2,696,167 Total Shares Held

Rows:

Download Data

Owner Name	Date	Shares Held	Change (QoQ)	Change (%)	Value (USD)
ALLIANCEBERNSTEIN L.P.	31 Dec, 2025	5,832,805	386,614	7.10%	$112,106,512.00
AMERIPRISE FINANCIAL INC	31 Dec, 2025	2,146,631	-20,261	-0.94%	$41,258,239.00
OAKTREE CAPITAL MANAGEMENT LP	31 Dec, 2025	1,962,892	0	0.00%	$37,726,784.00
RENAISSANCE TECHNOLOGIES LLC	31 Dec, 2025	1,830,389	-101,716	-5.26%	$35,180,077.00
Philosophy Capital Management LLC	31 Dec, 2025	1,650,000	200,000	13.79%	$31,713,000.00
MORGAN STANLEY	31 Dec, 2025	1,094,404	-54,916	-4.78%	$21,034,464.00
Focus Partners Wealth	31 Dec, 2025	1,041,252	43,158	4.32%	$19,391,114.00
UBS Group AG	31 Dec, 2025	915,978	-893,724	-49.39%	$17,605,098.00
MILLENNIUM MANAGEMENT LLC	31 Dec, 2025	887,056	807,751	1,018.54%	$17,049,216.00
Boston Partners	31 Dec, 2025	843,098	682,406	424.67%	$16,205,057.00
DnB Asset Management AS	31 Dec, 2025	817,099	-9,529	-1.15%	$15,704,643.00
Point72 Asset Management, L.P.	31 Dec, 2025	807,152	807,152	0.00%	$15,513,461.00
Allianz Asset Management GmbH	31 Dec, 2025	766,774	113,792	17.43%	$14,737,396.00
GOLDMAN SACHS GROUP INC	31 Dec, 2025	635,394	201,272	46.36%	$12,212,273.00
Bridgewater Associates, LP	31 Dec, 2025	604,686	526,203	670.47%	$11,622,065.00
Marnell Management LLC	31 Dec, 2025	584,091	584,091	0.00%	$11,226,229.00
JANE STREET GROUP, LLC	31 Dec, 2025	569,502	421,945	285.95%	$10,945,829.00
TWO SIGMA INVESTMENTS, LP	31 Dec, 2025	562,400	562,400	0.00%	$10,809,328.00
SUSQUEHANNA INTERNATIONAL GROUP, LLP	31 Dec, 2025	489,010	68,356	16.25%	$9,398,772.00
Jump Financial, LLC	31 Dec, 2025	476,101	476,101	0.00%	$9,150,661.00

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