Skip to main content

Seagate Technology Holdings plc

STX
Exchange
Nasdaq
Industry
Computer Storage Devices
SEC CIK
0001137789

In the last 90 days, Seagate Technology Holdings plc insiders filed 0 open-market purchases and 34 sales; 1,973 institutions reported holding it in 13F filings for Q2 2026, worth $181.2B in total; 5 superinvestors hold it, including Lone Pine Capital and Tiger Global Management.

13F holders, Q2 2026

Institutional positions in Seagate Technology Holdings plc as of Jun 30, 2026. 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
1,973
+520 vs. Q1 2026
Shares held
188.6M
−601.0K (−0.3%) vs. Q1 2026
Total value
$181.2B
+$107.4B (+145.5%) vs. Q1 2026
New holders
587
631 more added
Sold out
67
602 more reduced

19 institutions that held it in Q1 2026 haven't filed for Q2 2026 yet. Not filing isn't selling, so they aren't counted as sold out or in the changes above.

Compare with Q1 2026: new holders, sold out and not filed yet

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 holdersQ2 2026: 1,973 institutions
Q1 2021: 678 institutionsQ2 2021: 679 institutionsQ3 2021: 694 institutionsQ4 2021: 794 institutionsQ1 2022: 703 institutionsQ2 2022: 714 institutionsQ3 2022: 666 institutionsQ4 2022: 643 institutionsQ1 2023: 673 institutionsQ2 2023: 660 institutionsQ3 2023: 657 institutionsQ4 2023: 730 institutionsQ1 2024: 768 institutionsQ2 2024: 799 institutionsQ3 2024: 821 institutionsQ4 2024: 806 institutionsQ1 2025: 801 institutionsQ2 2025: 956 institutionsQ3 2025: 1,126 institutionsQ4 2025: 1,280 institutionsQ1 2026: 1,472 institutionsQ2 2026: 1,973 institutions
Value heldQ2 2026: $181.2B
Q1 2021: $15.5BQ2 2021: $16.2BQ3 2021: $15.2BQ4 2021: $20.6BQ1 2022: $15.4BQ2 2022: $12.5BQ3 2022: $9.60BQ4 2022: $9.40BQ1 2023: $12.8BQ2 2023: $11.0BQ3 2023: $12.3BQ4 2023: $18.1BQ1 2024: $20.0BQ2 2024: $21.7BQ3 2024: $22.9BQ4 2024: $16.6BQ1 2025: $16.9BQ2 2025: $29.0BQ3 2025: $49.1BQ4 2025: $53.6BQ1 2026: $74.2BQ2 2026: $181.2B
Institutions holding STX and their total value by quarter
QuarterHoldersValue
Q2 20261,973$181.2B
Q1 20261,472$74.2B
Q4 20251,280$53.6B
Q3 20251,126$49.1B
Q2 2025956$29.0B
Q1 2025801$16.9B
Q4 2024806$16.6B
Q3 2024821$22.9B
Q2 2024799$21.7B
Q1 2024768$20.0B
Q4 2023730$18.1B
Q3 2023657$12.3B
Q2 2023660$11.0B
Q1 2023673$12.8B
Q4 2022643$9.40B
Q3 2022666$9.60B
Q2 2022714$12.5B
Q1 2022703$15.4B
Q4 2021794$20.6B
Q3 2021694$15.2B
Q2 2021679$16.2B
Q1 2021678$15.5B

Institutions, Q2 2026

Shares, value and share of portfolio for each institution holding Seagate Technology Holdings plc; share changes are against Q1 2026.

Institutions holding STX in Q2 2026
InstitutionSharesValue% of portfolioChange in sharesAction
BlackRock, Inc.15,166,793$14.6B0.22%+892,710+6.3%Added
Vanguard Capital Management LLC14,630,067$14.1B0.30%+474,394+3.4%Added
State Street Corp9,911,669$9.57B0.28%+590,037+6.3%Added
FMR LLC8,153,134$7.87B0.34%−23,784−0.3%Reduced
Vanguard Portfolio Management LLC7,999,686$7.72B0.35%−3,095,222−27.9%Reduced
Invesco Ltd.7,536,880$7.27B0.58%+360,182+5.0%Added
WCM Investment Management, LLC5,320,463$5.15B9.34%+973,611+22.4%Added
JPMorgan Chase & Co5,201,103$5.04B0.29%−1,458,136−21.9%Reduced
Geode Capital Management, LLC5,155,435$4.96B0.26%+94,607+1.9%Added
Morgan Stanley4,720,524$4.56B0.24%−38,788−0.8%Reduced
Capital Research Global Investors4,326,781$4.18B0.58%−1,409,289−24.6%Reduced
Sanders Capital, LLC3,487,219$3.37B3.37%−9,409,982−73.0%Reduced
Goldman Sachs Group Inc3,440,106$3.32B0.35%−133,684−3.7%Reduced
Norges Bank3,095,723$2.99B0.30%+3,095,723New
Massachusetts Financial Services Co2,560,276$2.51B0.80%+24,154+1.0%Added
Wellington Management Group LLP2,414,136$2.33B0.40%+2,326,538+2,655.9%Added
Arrowstreet Capital, Limited Partnership2,138,429$2.06B0.92%+704,934+49.2%Added
Bank of America Corp2,115,112$2.04B0.13%−1,265,328−37.4%Reduced
DZ BANK AG Deutsche Zentral Genossenschafts Bank, Frankfurt am Main2,108,402$2.03B1.60%−1,511,670−41.8%Reduced
Northern Trust Corp1,902,241$1.84B0.21%+5,248+0.3%Added
Franklin Resources Inc1,798,079$1.74B0.38%−1,720,116−48.9%Reduced
Jupiter Topco LLC1,608,436$1.55B0.63%+1,608,436New
Deutsche Bank AG1,591,694$1.54B0.45%−167,480−9.5%Reduced
Legal & General Group Plc1,530,731$1.48B0.31%+16,114+1.1%Added
Jane Street Group, LLC1,473,813$1.42B0.91%+1,454,111+7,380.5%Added
Price T Rowe Associates Inc1,430,343$1.38B0.14%+171,946+13.7%Added
D. E. Shaw & Co., Inc.1,354,377$1.31B0.81%+64,804+5.0%Added
Charles Schwab Investment Management Inc1,352,030$1.30B0.17%−12,809−0.9%Reduced
Bank of New York Mellon Corp1,286,208$1.24B0.20%+227,905+21.5%Added
Amundi1,285,101$1.24B0.30%+319,536+33.1%Added
AQR Capital Management LLC1,245,371$1.20B0.42%+244,332+24.4%Added
Vanguard Fiduciary Trust Co1,233,702$1.19B0.26%+32,640+2.7%Added
Exchange Traded Concepts, LLC1,152,676$1.11B5.50%+1,122,608+3,733.6%Added
Royal Bank of Canada1,044,994$1.01B0.17%+31,501+3.1%Added
Capital International Investors1,032,054$995.9M0.21%+1,032,054New
Lone Pine Capital LLCSuperinvestorLone Pine Capital1,000,109$965.1M5.90%+1,000,109New
Polar Capital Holdings Plc984,377$949.9M2.69%+50,518+5.4%Added
Dimensional Fund Advisors LP942,529$909.6M0.16%+106,511+12.7%Added
UBS Group AG839,966$810.6M0.13%+207,283+32.8%Added
National Pension Service834,705$805.5M0.52%+6,944+0.8%Added
Point72 Asset Management, L.P.822,914$794.1M1.21%+276,536+50.6%Added
Swedbank AB822,103$793.3M0.68%+112,943+15.9%Added
Citadel Advisors LLC755,495$729.1M0.42%+644,750+582.2%Added
Trivest Advisors Ltd737,780$712.0M22.38%+529,780+254.7%Added
Sands Capital Management, LLC720,741$695.5M2.58%+188,849+35.5%Added
Value Aligned Research Advisors, LLC709,357$684.5M4.09%−205,300−22.4%Reduced
California Public Employees Retirement System698,149$673.7M0.38%+337,752+93.7%Added
Russell Investments Group, Ltd.687,394$663.5M0.58%−279,067−28.9%Reduced
Bank of Montreal658,813$635.8M0.23%−349,678−34.7%Reduced
Canada Pension Plan Investment Board639,711$617.3M0.34%−243,863−27.6%Reduced
Millennium Management LLC633,069$610.9M0.41%+382,790+152.9%Added
Swiss National Bank616,040$594.5M0.31%−23,360−3.7%Reduced
Nuveen, LLC605,858$584.7M0.14%−165,521−21.5%Reduced
Atalan Capital Partners, LP573,000$552.9M33.92%−145,800−20.3%Reduced
Mitsubishi UFJ Kokusai Asset Management Co., Ltd.569,718$549.8M0.30%+51,264+9.9%Added
Barclays PLC568,334$548.4M0.17%−101,494−15.2%Reduced
WT Asset Management Ltd564,716$545.0M10.78%+74,931+15.3%Added
Sumitomo Mitsui Trust Holdings, Inc.556,378$536.9M0.31%+34,034+6.5%Added
Qube Research & Technologies Ltd552,780$533.4M0.59%+551,161+34,043.3%Added
Castle Hook Partners LP546,287$527.2M5.65%−15,360−2.7%Reduced
Winslow Capital Management, LLC517,006$498.9M1.72%+517,006New
Vanguard Global Advisers, LLC483,669$466.7M0.22%+6,495+1.4%Added
First Trust Advisors LP483,514$466.6M0.27%−53,144−9.9%Reduced
BNP Paribas Arbitrage, SA473,888$457.3M0.24%−116,617−19.7%Reduced
Sachem Head Capital Management LP472,000$455.5M9.45%+472,000New
SG Americas Securities, LLC461,735$445.6M0.26%+461,735New
Holocene Advisors, LP460,184$444.1M1.02%−627,433−57.7%Reduced
Citigroup Inc457,832$441.8M0.21%+121,269+36.0%Added
Renaissance Technologies LLC457,353$441.3M0.61%+146,859+47.3%Added
BNP PARIBAS ASSET MANAGEMENT Holding S.A.449,904$434.1M0.44%+16,730+3.9%Added
Acadian Asset Management LLC447,945$432.2M0.51%−156,948−25.9%Reduced
Voya Investment Management LLC442,630$427.1M0.37%+315,623+248.5%Added
Vanguard Asset Management, Ltd433,011$417.9M0.28%+56,703+15.1%Added
HSBC Holdings PLC418,762$401.8M0.19%+40,235+10.6%Added
Envestnet Asset Management Inc398,344$384.4M0.09%+93,200+30.5%Added
Palestra Capital Management LLC386,123$372.6M12.63%+92,123+31.3%Added
Wells Fargo & Company372,329$359.3M0.06%+46,917+14.4%Added
Ameriprise Financial Inc368,748$355.9M0.07%−60,252−14.0%Reduced
Two Sigma Investments, LP354,816$342.4M0.26%+252,291+246.1%Added
Raymond James Financial Inc348,962$336.7M0.09%−36,367−9.4%Reduced
California State Teachers Retirement System328,233$316.7M0.29%+20,940+6.8%Added
Cacti Asset Management LLC327,925$316.4M15.87%−198,080−37.7%Reduced
Mirae Asset Global ETFs Holdings Ltd.317,585$306.0M0.36%+6,137+2.0%Added
Quadrature Capital Ltd313,545$302.6M2.59%+215,951+221.3%Added
Allianz Asset Management GmbH304,216$293.6M0.27%+76,843+33.8%Added
Maple Rock Capital Partners Inc.301,162$290.6M5.70%−232,823−43.6%Reduced
HRT Financial LP300,093$289.6M0.53%+70,562+30.7%Added
Alyeska Investment Group, L.P.291,439$281.2M0.72%+166,354+133.0%Added
Amanah Holdings Trust289,774$279.6M16.42%00.0%Unchanged
Susquehanna International Group, LLP288,385$278.3M0.25%+118,197+69.5%Added
Tiger Global Management LLCSuperinvestorTiger Global Management285,100$275.1M1.15%+285,100New
TD Asset Management Inc283,546$273.6M0.24%+166,967+143.2%Added
Anther Capital Ltd283,416$273.5M7.00%−47,817−14.4%Reduced
Ensign Peak Advisors, Inc272,913$263.4M0.43%+17,187+6.7%Added
Clearbridge Investments, LLC272,765$263.2M0.22%+269,597+8,510.0%Added
Natixis Advisors, L.P.266,259$256.9M0.29%+52,262+24.4%Added
Alliancebernstein L.P.649,106$254.3M0.08%+453,734+232.2%Added
Balyasny Asset Management LLC256,151$247.2M0.45%−139,985−35.3%Reduced
ProShare Advisors LLC255,231$246.3M0.36%−63,279−19.9%Reduced
LPL Financial LLC252,892$244.0M0.05%−13,014−4.9%Reduced