Seagate Technology Holdings STX Institutional Ownership

NASDAQ STX

$630.49 -11.65 (-1.81%)

At close: Oct 23, 2026 · 4:00 PM EDT

Institutions by Trading Activity

1,955 Institutions

Increased 1,207 61.7%

Unchanged 158 8.1%

Reduced 590 30.2%

Ownership Statistics

13F · as of 30 Jun, 2026

Institutional Ownership

83.80%

▼-1.23 pp QoQ

Shares Held by Institutions

188.05Mn

of 224.41Mn outstanding

▲+1.40% QoQ

Shares Outstanding

224.41Mn

36.36Mn held outside 13F filers

Institutional Investors

1,955

filed 13F for Jun 2026

▲+502 vs prior quarter

Net Shares Added (QoQ)

+2.60Mn

accumulated since last quarter

Value of Holdings

$118.56Bn

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

Updated Oct 22, 2026

Seagate Technology Holdings plc (NASDAQ:STX) counted 1,955 institutional investors among its 13F-reported shareholders for the quarter ended June 30, 2026.

These investors held 83.80% of outstanding shares in Q2 2026, down from 85.02% the quarter before.
Total holdings of Seagate Technology Holdings shares rose 1.40% from Q1 2026, and the number of holders rose 106.88% from Q2 2025.
Among the 1,955 holders of Seagate Technology Holdings, 1,207 added to their positions, 590 reduced their stakes and 158 left their positions unchanged.
Combined, institutional investors held 188.05Mn shares of STX as of Q2 2026, up 2.6Mn from the prior quarter and down 4.88Mn from a year earlier.
BlackRock, Inc. led 13F holders of STX with 15.17Mn shares as of June 30, 2026, or 6.76% of shares outstanding.
The biggest increases in STX positions during Q2 2026 came from Invesco Ltd. (+4.94Mn shares), Wellington Management Group LLP (+2.33Mn shares), Jane Street Group, LLC (+1.45Mn shares), Exchange Traded Concepts, LLC (+1.12Mn shares) and WCM Investment Management, LLC (+973.61K shares).
The largest position reductions in STX for Q2 2026 were by Sanders Capital, LLC (-9.41Mn shares), Vanguard Portfolio Management LLC (-3.1Mn shares), Nomura Asset Management International Inc. (-1.8Mn shares), Franklin Templeton Inc (-1.72Mn shares) and DZ BANK AG Deutsche Zentral Genossenschafts Bank (-1.51Mn shares).
Per Business Quant data, the 10 largest holders of Seagate Technology Holdings at the end of Q2 2026 were BlackRock, Inc. (15.17Mn shares), Vanguard Capital Management LLC (14.63Mn shares), State Street Corp (9.91Mn shares), FMR LLC (8.15Mn shares), Vanguard Portfolio Management LLC (8Mn shares), Invesco Ltd. (7.54Mn shares), WCM Investment Management, LLC (5.32Mn shares), JPMorgan Chase & Co (5.2Mn shares), Geode Capital Management, LLC (5.16Mn shares) and Morgan Stanley (4.72Mn shares).

Form 13F Holdings

1,960 Institutional Holders

Report period 30 Jun, 2026

Total shares held 188.05Mn

Of outstanding 83.80%

#	Institution	CIK	Shares Held	% of Outstanding	Change (QoQ)	Change (%)	Value (USD)
1	BlackRock, Inc.	0002012383	15,166,793	6.76%	▲892,710	+6.25%	$14.64Bn
2	VANGUARD CAPITAL MANAGEMENT LLC	0002100119	14,630,067	6.52%	▲474,394	+3.35%	$14.12Bn
3	State Street Corp	0000093751	9,911,669	4.42%	▲590,037	+6.33%	$9.57Bn
4	FMR LLC	0000315066	8,153,134	3.63%	▼23,784	-0.29%	$7.87Bn
5	VANGUARD PORTFOLIO MANAGEMENT LLC	0002100121	7,999,686	3.56%	▼3,095,222	-27.90%	$7.72Bn
6	Invesco Ltd.	0000914208	7,536,880	3.36%	▲4,937,030	+189.90%	$7.27Bn
7	WCM INVESTMENT MANAGEMENT, LLC	0001061186	5,320,463	2.37%	▲973,611	+22.40%	$5.15Bn
8	Jpmorgan Chase & Co	0000019617	5,201,103	2.32%	▼1,458,136	-21.90%	$5.04Bn
9	GEODE CAPITAL MANAGEMENT, LLC	0001214717	5,155,435	2.30%	▲94,607	+1.87%	$4.96Bn
10	Morgan Stanley	0000895421	4,720,524	2.10%	▼38,788	-0.81%	$4.56Bn
11	Capital Research Global Investors	0001422848	4,326,781	1.93%	▼1,409,289	-24.57%	$4.18Bn
12	Sanders Capital, LLC	0001508097	3,487,219	1.55%	▼9,409,982	-72.96%	$3.37Bn
13	Goldman Sachs Group Inc	0000886982	3,440,106	1.53%	▼133,684	-3.74%	$3.32Bn
14	NORGES BANK	0001374170	3,095,723	1.38%	▲3,095,723	0.00%	$2.99Bn
15	MASSACHUSETTS FINANCIAL SERVICES CO /MA/	0000912938	2,560,276	1.14%	▲24,154	+0.95%	$2.51Bn
16	WELLINGTON MANAGEMENT GROUP LLP	0000902219	2,414,136	1.08%	▲2,326,538	+2,655.93%	$2.33Bn
17	ARROWSTREET CAPITAL, LIMITED PARTNERSHIP	0001164508	2,138,429	0.95%	▲704,934	+49.18%	$2.06Bn
18	Bank Of America Corp /De/	0000070858	2,115,112	0.94%	▼1,265,328	-37.43%	$2.04Bn
19	DZ BANK AG Deutsche Zentral Genossenschafts Bank, Frankfurt am Main	0001694217	2,108,402	0.94%	▼1,511,670	-41.76%	$2.03Bn
20	Northern Trust Corp	0000073124	1,902,241	0.85%	▲5,248	+0.28%	$1.84Bn

Showing 1 to 20 of 1,960 holders