Seagate Technology Holdings STX Institutional Ownership

NASDAQ STX

$830.17 -32.16 (-3.73%)

At close: Sep 11, 2026 · 4:00 PM EDT

Institutions by Trading Activity

1,952 Institutions

Increased 1,199 61.4%

Unchanged 160 8.2%

Reduced 593 30.4%

Ownership Statistics

13F · as of 30 Jun, 2026

Institutional Ownership

85.77%

▼-0.53 pp QoQ

Shares Held by Institutions

189.55Mn

of 221.00Mn outstanding

▲+3.45% QoQ

Shares Outstanding

221.00Mn

31.45Mn held outside 13F filers

Institutional Investors

1,952

filed 13F for Jun 2026

▲+499 vs prior quarter

Net Shares Added (QoQ)

+6.32Mn

accumulated since last quarter

Value of Holdings

$157.36Bn

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

Seagate Technology Holdings plc (NASDAQ:STX) has 1,952 institutional investors that have filed 13F reports for the period ending June 2026.

Their combined ownership stood at 85.8% of outstanding shares in June 2026, down from 86.3% in March 2026.
They increased total shares held in Seagate Technology Holdings by 3.45% from last quarter, and the number of investors in STX increased 105.04% annually.
Activity in STX broke down as 1,199 buyers, 593 sellers, and 160 unchanged among 1,952 total holders.
The aggregate institutional position in Seagate Technology Holdings amounted to 189.55Mn shares as of June 2026, up by 6.32Mn shares quarter on quarter, and down 9.14Mn shares year over year.
BlackRock, Inc. leads ownership in STX with 15.17Mn shares as of June 30, 2026, equal to 6.86% of outstanding shares.
The most significant purchases of STX for the quarter ending June 2026 came from Invesco Ltd. (4.94Mn), NORGES BANK (3.1Mn), WELLINGTON MANAGEMENT GROUP LLP (2.33Mn), Jupiter Topco LLC (1.61Mn), JANE STREET GROUP, LLC (1.45Mn).
The largest sales of STX for the quarter ending June 2026 came from Sanders Capital, LLC (9.41Mn), VANGUARD PORTFOLIO MANAGEMENT LLC (3.1Mn), NOMURA ASSET MANAGEMENT INTERNATIONAL INC. (1.8Mn), Franklin Templeton Inc (1.72Mn), DZ BANK AG Deutsche Zentral Genossenschafts Bank, Frankfurt am Main (1.51Mn).
Business Quant data shows the 10 biggest positions in Seagate Technology Holdings as of June 2026 are held by BlackRock, Inc. (15.17Mn), VANGUARD CAPITAL MANAGEMENT LLC (14.63Mn), State Street Corp (9.91Mn), FMR LLC (8.15Mn), VANGUARD PORTFOLIO MANAGEMENT LLC (8.0Mn), Invesco Ltd. (7.54Mn), WCM INVESTMENT MANAGEMENT, LLC (5.32Mn), Jpmorgan Chase & Co (5.2Mn), GEODE CAPITAL MANAGEMENT, LLC (5.16Mn), Morgan Stanley (4.72Mn).

Form 13F Holdings

1,952 Institutional Holders

Report period 30 Jun, 2026

Total shares held 189.55Mn

Of outstanding 85.77%

#	Institution	CIK	Shares Held	% of Outstanding	Change (QoQ)	Change (%)	Value (USD)
1	BlackRock, Inc.	0002012383	15,166,793	6.86%	▲892,710	+6.25%	$14.64Bn
2	VANGUARD CAPITAL MANAGEMENT LLC	0002100119	14,630,067	6.62%	▲474,394	+3.35%	$14.12Bn
3	State Street Corp	0000093751	9,911,669	4.48%	▲590,037	+6.33%	$9.57Bn
4	FMR LLC	0000315066	8,153,134	3.69%	▼23,784	-0.29%	$7.87Bn
5	VANGUARD PORTFOLIO MANAGEMENT LLC	0002100121	7,999,686	3.62%	▼3,095,222	-27.90%	$7.72Bn
6	Invesco Ltd.	0000914208	7,536,880	3.41%	▲4,937,030	+189.90%	$7.27Bn
7	WCM INVESTMENT MANAGEMENT, LLC	0001061186	5,320,463	2.41%	▲973,611	+22.40%	$5.15Bn
8	Jpmorgan Chase & Co	0000019617	5,201,103	2.35%	▼1,458,136	-21.90%	$5.04Bn
9	GEODE CAPITAL MANAGEMENT, LLC	0001214717	5,155,435	2.33%	▲94,607	+1.87%	$4.96Bn
10	Morgan Stanley	0000895421	4,720,524	2.14%	▼38,788	-0.81%	$4.56Bn
11	Capital Research Global Investors	0001422848	4,326,781	1.96%	▼1,409,289	-24.57%	$4.18Bn
12	Sanders Capital, LLC	0001508097	3,487,219	1.58%	▼9,409,982	-72.96%	$3.37Bn
13	Goldman Sachs Group Inc	0000886982	3,440,106	1.56%	▼133,684	-3.74%	$3.32Bn
14	NORGES BANK	0001374170	3,095,723	1.40%	▲3,095,723	0.00%	$2.99Bn
15	MASSACHUSETTS FINANCIAL SERVICES CO /MA/	0000912938	2,560,276	1.16%	▲24,154	+0.95%	$2.51Bn
16	WELLINGTON MANAGEMENT GROUP LLP	0000902219	2,414,136	1.09%	▲2,326,538	+2,655.93%	$2.33Bn
17	ARROWSTREET CAPITAL, LIMITED PARTNERSHIP	0001164508	2,138,429	0.97%	▲704,934	+49.18%	$2.06Bn
18	Bank Of America Corp /De/	0000070858	2,115,112	0.96%	▼1,265,328	-37.43%	$2.04Bn
19	DZ BANK AG Deutsche Zentral Genossenschafts Bank, Frankfurt am Main	0001694217	2,108,402	0.95%	▼1,511,670	-41.76%	$2.03Bn
20	Northern Trust Corp	0000073124	1,902,241	0.86%	▲5,248	+0.28%	$1.84Bn

Showing 1 to 20 of 1,952 holders