Seagate Technology Holdings plc (STX) Institutional Ownership

Institutions by Trading Activity

Ownership Statistics

226,000,000Shares Outstanding

191,057,535Shares held by institutions

$111,850,812,715Value of institutional holdings

84.54%Institutional ownership %

-10.12%Shares Changed QoQ

1,241No. of institutional investors

Shares Owned by Institutions

Shares Purchased/Sold by Institutions

Ownership Summary

Seagate Technology Holdings plc (NASDAQ:STX) has 1,232 institutional investors that have filed 13F reports for the period ending December 2025.

These investors held 83.2% of outstanding shares in December 2025, down from 99.5% in September 2025.
Their total shares held in STX decreased -10.94% quarter over quarter, and separately, investors owning Seagate Technology Holdings increased 55.95% from a year ago.
Activity in STX broke down as 676 buyers, 400 sellers, and 156 unchanged among 1,232 total holders.
Altogether, these fund groups held 188.02Mn shares in STX by December 2025, down by 23.09Mn shares quarter on quarter, and down 11.88Mn shares year over year.
CACTI ASSET MANAGEMENT LLC leads ownership in STX with 526.0K shares as of December 31, 2025, equal to 0.23% of outstanding shares.
The most significant purchases of STX for the quarter ending December 2025 came from Attestor Capital Ltd (39.22K), EXCHANGE TRADED CONCEPTS, LLC (27.93K), WEALTH ENHANCEMENT ADVISORY SERVICES, LLC (25.22K), iA Global Asset Management Inc. (20.68K), Abacus FCF Advisors LLC (20.56K).
Leading sellers of Seagate Technology Holdings shares for the quarter ending December 2025 were Artemis Investment Management LLP (310.72K), WEDGE CAPITAL MANAGEMENT L L P/NC (65.25K), ARS Investment Partners, LLC (43.97K), Lansforsakringar Fondforvaltning AB (publ) (43.55K), GF FUND MANAGEMENT CO. LTD. (31.37K).
Business Quant data shows the 10 biggest positions in Seagate Technology Holdings as of December 2025 are held by CACTI ASSET MANAGEMENT LLC (526.0K), Amanah Holdings Trust (289.77K), Artemis Investment Management LLP (182.76K), Lansforsakringar Fondforvaltning AB (publ) (148.56K), WEDGE CAPITAL MANAGEMENT L L P/NC (141.88K), Pictet Asset Management Holding SA (135.38K), Robeco Institutional Asset Management B.V. (80.14K), Janney Montgomery Scott LLC (78.98K), iA Global Asset Management Inc. (71.92K), Hosking Partners LLP (71.35K).

1,245 Institutional Holders

191,057,535 Total Shares Held

Rows:

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Owner Name	Date	Shares Held	Change (QoQ)	Change (%)	Value (USD)
VANGUARD GROUP INC	31 Dec, 2025	28,119,431	-20,856	-0.07%	$7,743,810,104.00
Sanders Capital, LLC	31 Dec, 2025	17,180,892	-360,374	-2.05%	$4,731,445,848.00
BlackRock, Inc.	31 Dec, 2025	16,116,926	1,719,382	11.94%	$4,438,440,190.00
State Street Corp	31 Dec, 2025	9,370,805	94,527	1.02%	$2,587,534,836.00
Jpmorgan Chase & Co	31 Dec, 2025	6,997,975	-20,867,617	-74.89%	$1,927,172,718.00
Goldman Sachs Group Inc	31 Dec, 2025	5,510,962	1,784,936	47.90%	$1,517,663,788.00
DZ BANK AG Deutsche Zentral Genossenschafts Bank, Frankfurt am Main	31 Dec, 2025	5,416,242	4,426,486	447.23%	$1,491,578,884.00
Morgan Stanley	31 Dec, 2025	5,317,516	258,151	5.10%	$1,464,391,492.00
WCM INVESTMENT MANAGEMENT, LLC	31 Dec, 2025	5,154,872	-28,077	-0.54%	$1,443,776,642.00
GEODE CAPITAL MANAGEMENT, LLC	31 Dec, 2025	4,896,815	234,436	5.03%	$1,343,682,936.00
Capital Research Global Investors	31 Dec, 2025	4,511,989	-1,677,655	-27.10%	$1,242,556,651.00
Bank Of America Corp /De/	31 Dec, 2025	4,280,605	-10,899,215	-71.80%	$1,178,836,003.00
Franklin Resources Inc	31 Dec, 2025	4,026,126	-4,041,090	-50.09%	$1,108,754,931.00
FMR LLC	31 Dec, 2025	3,759,659	1,778,433	89.76%	$1,035,372,166.00
ARROWSTREET CAPITAL, LIMITED PARTNERSHIP	31 Dec, 2025	3,193,063	243,551	8.26%	$879,337,620.00
Invesco Ltd.	31 Dec, 2025	2,558,925	747,904	41.30%	$704,702,348.00
MASSACHUSETTS FINANCIAL SERVICES CO /MA/	31 Dec, 2025	2,008,516	1,883,769	1,510.07%	$553,125,222.00
Northern Trust Corp	31 Dec, 2025	1,900,632	-19,697	-1.03%	$523,415,048.00
NORGES BANK	31 Dec, 2025	1,809,661	1,809,661	0.00%	$498,362,543.00
DEUTSCHE BANK AG\	31 Dec, 2025	1,599,962	807,962	102.02%	$440,613,535.00

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