Seagate Technology Holdings plc

STX

Exchange: Nasdaq
Industry: Computer Storage Devices
SEC CIK: 0001137789

SEC filings (opens in a new tab)

In the last 90 days, Seagate Technology Holdings plc insiders filed 0 open-market purchases and 32 sales; 1,973 institutions reported holding it in 13F filings for Q2 2026, worth $181.1B in total; 5 superinvestors hold it, including Lone Pine Capital and Tiger Global Management.

13F holders, Q1 2021

Institutional positions in Seagate Technology Holdings plc as of Mar 31, 2021. Investment managers with $100 million or more in US stocks report their long positions on Form 13F within 45 days after each quarter ends. How 13F works

Institutional holders: 678; No complete 13F data for Q4 2020
Shares held: 201.7M; No complete 13F data for Q4 2020
Total value: $15.5B; No complete 13F data for Q4 2020

Holders and value by quarter

Institutions reporting STX on Form 13F each quarter since Q1 2021, and the total value they reported. Values are as of each quarter end, so they also move with the share price.

Institutional holdersQ1 2021: 678 institutions

Value heldQ1 2021: $15.5B

Institutions holding STX and their total value by quarter
Quarter	Holders	Value
Q2 2026	1,973	$181.1B
Q1 2026	1,472	$74.2B
Q4 2025	1,280	$53.5B
Q3 2025	1,126	$45.8B
Q2 2025	956	$28.8B
Q1 2025	801	$16.9B
Q4 2024	806	$16.6B
Q3 2024	821	$20.4B
Q2 2024	799	$19.3B
Q1 2024	768	$17.2B
Q4 2023	730	$16.2B
Q3 2023	657	$12.3B
Q2 2023	660	$11.0B
Q1 2023	673	$12.1B
Q4 2022	643	$9.40B
Q3 2022	666	$9.29B
Q2 2022	714	$12.5B
Q1 2022	703	$15.4B
Q4 2021	794	$20.4B
Q3 2021	694	$15.2B
Q2 2021	679	$16.2B
Q1 2021	678	$15.5B

Institutions, Q1 2021

Shares, value and share of portfolio for each institution holding Seagate Technology Holdings plc.

Livermore's 13F data starts with Q1 2021, so Q1 2021 has no change from the previous quarter.

Institutions holding STX in Q1 2021
Institution	Shares	Value	% of portfolio	Change in shares	Action
MML Investors Services, LLC	17,388	$1.33M	0.01%	–	–
Public Employees Retirement System of Ohio	17,456	$1.34M	0.01%	–	–
Marathon Capital Management	17,485	$1.34M	0.35%	–	–
Alphasimplex Group, LLC	17,602	$1.35M	0.56%	–	–
FDx Advisors, Inc.	17,778	$1.36M	0.05%	–	–
Human Investing LLC	18,088	$1.39M	0.35%	–	–
Northeast Financial Consultants Inc	18,156	$1.39M	0.11%	–	–
Aull & Monroe Investment Management Corp	18,324	$1.41M	0.68%	–	–
Leisure Capital Management	18,374	$1.41M	0.85%	–	–
United Capital Financial Advisers, LLC	18,539	$1.42M	0.01%	–	–
Rothschild Investment Corp	18,995	$1.46M	0.13%	–	–
Boston Family Office LLC	19,000	$1.46M	0.11%	–	–
Cumberland Advisors Inc	19,000	$1.46M	0.36%	–	–
Public Sector Pension Investment Board	19,001	$1.46M	0.01%	–	–
Forte Capital LLC	19,837	$1.52M	0.23%	–	–
Keystone Financial Group	19,944	$1.53M	0.30%	–	–
Berkshire Asset Management LLC	20,367	$1.56M	0.12%	–	–
Capital Fund Management S.A.	20,690	$1.59M	0.05%	–	–
Metropolitan Life Insurance Co	20,740	$1.59M	0.02%	–	–
Level Four Advisory Services, LLC	20,937	$1.61M	0.12%	–	–
HSBC Holdings PLC	21,067	$1.63M	0.00%	–	–
Natixis Advisors, L.P.	21,273	$1.63M	0.01%	–	–
Courage Capital Management LLC	22,000	$1.69M	1.23%	–	–
Naples Global Advisors, LLC	22,343	$1.72M	0.26%	–	–
OPSEU Pension Plan Trust Fund	22,655	$1.75M	0.45%	–	–
D. E. Shaw & Co., Inc.	22,861	$1.75M	0.00%	–	–
Rockefeller Capital Management L.P.	22,948	$1.76M	0.01%	–	–
Cloverfields Capital Group, LP	23,059	$1.77M	0.57%	–	–
Man Group plc	23,279	$1.79M	0.01%	–	–
M&T Bank Corp	23,388	$1.79M	0.01%	–	–
Caas Capital Management LP	24,000	$1.84M	0.06%	–	–
Clearstead Advisors, LLC	24,130	$1.85M	0.15%	–	–
CIBC World Markets Inc.	24,484	$1.88M	0.01%	–	–
Tower Research Capital LLC (TRC)	24,556	$1.89M	0.03%	–	–
Tudor Investment Corp Et Al	24,824	$1.91M	0.04%	–	–
Sumitomo Mitsui DS Asset Management Company, Ltd	24,894	$1.91M	0.05%	–	–
Commonwealth of Pennsylvania Public School Empls Retrmt Sys	25,122	$1.93M	0.02%	–	–
Franklin Resources Inc	25,512	$1.96M	0.00%	–	–
Teacher Retirement System of Texas	25,684	$1.97M	0.01%	–	–
Panagora Asset Management Inc	25,824	$1.98M	0.01%	–	–
Quantitative Investment Management, LLC	26,197	$2.01M	0.17%	–	–
J. Goldman & Co LP	26,903	$2.06M	0.12%	–	–
Vident Investment Advisory, LLC	27,588	$2.12M	0.07%	–	–
Fifth Third Bancorp	27,702	$2.13M	0.01%	–	–
Nissay Asset Management Corp	27,887	$2.14M	0.02%	–	–
Banque Cantonale Vaudoise	28,144	$2.16M	0.11%	–	–
Utah Retirement Systems	28,938	$2.22M	0.03%	–	–
Rafferty Asset Management, LLC	29,150	$2.24M	0.02%	–	–
National Asset Management, Inc.	29,252	$2.25M	0.08%	–	–
Foster & Motley Inc	30,343	$2.33M	0.21%	–	–
Fort, L.P.	30,531	$2.34M	0.66%	–	–
SeaBridge Investment Advisors LLC	30,734	$2.36M	0.78%	–	–
Wealthfront Advisers LLC	30,754	$2.36M	0.01%	–	–
Fortis Advisors, LLC	30,870	$2.37M	1.70%	–	–
Public Employees Retirement Association of Colorado	31,106	$2.39M	0.01%	–	–
Arden Trust Co	31,149	$2.39M	0.40%	–	–
Tealwood Asset Management Inc	31,589	$2.42M	0.97%	–	–
Fiera Capital Corp	31,600	$2.42M	0.01%	–	–
Redwood Investment Management, LLC	31,954	$2.44M	0.46%	–	–
Cubist Systematic Strategies, LLC	32,359	$2.48M	0.03%	–	–
AlphaCrest Capital Management LLC	32,416	$2.49M	0.14%	–	–
Brighton Jones LLC	32,979	$2.53M	0.15%	–	–
Old Port Advisors	32,972	$2.53M	0.99%	–	–
American Century Companies Inc	33,528	$2.57M	0.00%	–	–
Texas Permanent School Fund	33,541	$2.57M	0.03%	–	–
Bridgeway Capital Management, LLC	33,600	$2.58M	0.05%	–	–
Vestmark Advisory Solutions, Inc.	33,776	$2.59M	0.23%	–	–
Neuberger Berman Group LLC	34,358	$2.62M	0.00%	–	–
Macquarie Group Ltd	35,125	$2.69M	0.00%	–	–
State of Tennessee, Treasury Department	35,718	$2.74M	0.01%	–	–
Verdence Capital Advisors LLC	36,037	$2.77M	0.47%	–	–
Cetera Investment Advisers	36,934	$2.83M	0.06%	–	–
The PNC Financial Services Group, Inc.	36,966	$2.84M	0.00%	–	–
Jane Street Group, LLC	36,960	$2.84M	0.01%	–	–
Flputnam Investment Management Co	37,664	$2.89M	0.13%	–	–
British Columbia Investment Management Corp	37,881	$2.91M	0.02%	–	–
Virginia Retirement Systems Et Al	38,500	$2.96M	0.03%	–	–
L2 Asset Management, LLC	38,599	$2.96M	3.05%	–	–
Advisory Services Network, LLC	39,187	$3.01M	0.11%	–	–
WBI Investments	39,527	$3.03M	0.48%	–	–
NewSquare Capital LLC	39,795	$3.05M	0.40%	–	–
ProShare Advisors LLC	39,917	$3.06M	0.01%	–	–
Holocene Advisors, LP	40,939	$3.14M	0.02%	–	–
AE Wealth Management LLC	41,175	$3.16M	0.03%	–	–
Meritage Portfolio Management	41,743	$3.20M	0.21%	–	–
Paloma Partners Management Co	41,768	$3.21M	0.09%	–	–
Winton Group Ltd	42,189	$3.24M	0.18%	–	–
Stephens Inc	42,316	$3.25M	0.05%	–	–
California State Teachers Retirement System	42,865	$3.29M	0.00%	–	–
Achmea Investment Management B.V.	43,046	$3.30M	0.12%	–	–
Okabena Investment Services Inc	43,618	$3.35M	1.80%	–	–
Grantham, Mayo, Van Otterloo & Co. LLC	43,783	$3.36M	0.02%	–	–
Gotham Asset Management, LLC	44,333	$3.40M	0.15%	–	–
Van Eck Associates Corp	45,857	$3.52M	0.01%	–	–
Mirae Asset Global Investments Co., Ltd.	47,431	$3.64M	0.01%	–	–
Zurcher Kantonalbank (Zurich Cantonalbank)	47,514	$3.65M	0.02%	–	–
MetLife Investment Management	47,866	$3.67M	0.03%	–	–
Cambridge Investment Research Advisors, Inc.	48,060	$3.69M	0.02%	–	–
USS Investment Management Ltd	48,624	$3.73M	0.03%	–	–
Twin Lakes Capital Management, LLC	48,793	$3.75M	2.31%	–	–