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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 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, Q3 2025

Institutional positions in Seagate Technology Holdings plc as of Sep 30, 2025. 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
1,126
+193 vs. Q2 2025
Shares held
194.2M
−3.26M (−1.6%) vs. Q2 2025
Total value
$45.8B
+$17.3B (+60.5%) vs. Q2 2025
New holders
276
370 more added
Sold out
83
323 more reduced

23 institutions that held it in Q2 2025 haven't filed for Q3 2025 yet. Not filing isn't selling, so they aren't counted as sold out or in the changes above.

Compare with Q2 2025: 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 holdersQ3 2025: 1,126 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 heldQ3 2025: $45.8B
Q1 2021: $15.5BQ2 2021: $16.2BQ3 2021: $15.2BQ4 2021: $20.4BQ1 2022: $15.4BQ2 2022: $12.5BQ3 2022: $9.29BQ4 2022: $9.40BQ1 2023: $12.1BQ2 2023: $11.0BQ3 2023: $12.3BQ4 2023: $16.2BQ1 2024: $17.2BQ2 2024: $19.3BQ3 2024: $20.4BQ4 2024: $16.6BQ1 2025: $16.9BQ2 2025: $28.8BQ3 2025: $45.8BQ4 2025: $53.5BQ1 2026: $74.2BQ2 2026: $181.1B
Institutions holding STX and their total value by quarter
QuarterHoldersValue
Q2 20261,973$181.1B
Q1 20261,472$74.2B
Q4 20251,280$53.5B
Q3 20251,126$45.8B
Q2 2025956$28.8B
Q1 2025801$16.9B
Q4 2024806$16.6B
Q3 2024821$20.4B
Q2 2024799$19.3B
Q1 2024768$17.2B
Q4 2023730$16.2B
Q3 2023657$12.3B
Q2 2023660$11.0B
Q1 2023673$12.1B
Q4 2022643$9.40B
Q3 2022666$9.29B
Q2 2022714$12.5B
Q1 2022703$15.4B
Q4 2021794$20.4B
Q3 2021694$15.2B
Q2 2021679$16.2B
Q1 2021678$15.5B

Institutions, Q3 2025

Shares, value and share of portfolio for each institution holding Seagate Technology Holdings plc; share changes are against Q2 2025.

Institutions holding STX in Q3 2025
InstitutionSharesValue% of portfolioChange in sharesAction
Axq Capital, LP1,777$419.5K0.16%−141−7.4%Reduced
Capula Management Ltd1,786$421.6K0.00%+1,786New
One Wealth Advisors, LLC1,815$428.4K0.05%+1,815New
Aventura Private Wealth, LLC1,816$428.7K0.16%00.0%Unchanged
Sagespring Wealth Partners, LLC1,820$429.7K0.01%+196+12.1%Added
Kingsview Wealth Management, LLC1,833$432.7K0.01%−95−4.9%Reduced
Pinnacle Wealth Management Advisory Group, LLC1,850$436.7K0.03%−29−1.5%Reduced
Rollins Financial Advisors, LLC1,854$437.6K0.07%+1,854New
Sivia Capital Partners, LLC1,865$440.3K0.12%+47+2.6%Added
Mesirow Financial Investment Management, Inc.1,880$443.6K0.01%+1,880New
Deseret Mutual Benefit Administrators1,880$443.8K0.19%−397−17.4%Reduced
Capital Investment Advisors, LLC1,913$451.5K0.01%−206−9.7%Reduced
North Berkeley Wealth Management, LLC1,913$451.6K0.36%−271−12.4%Reduced
Vestmark Advisory Solutions, Inc.1,916$452.3K0.01%−539−22.0%Reduced
Carret Asset Management, LLC1,917$452.6K0.04%00.0%Unchanged
Yeomans Consulting Group, Inc.1,764$453.1K0.16%+1,764New
Frank, Rimerman Advisors LLC1,930$455.6K0.03%+1,930New
Ameritas Investment Partners, Inc.1,939$457.7K0.01%−64−3.2%Reduced
Tairen Capital Ltd1,940$458.0K0.05%−28,060−93.5%Reduced
Verdence Capital Advisors LLC1,991$458.6K0.03%−1,630−45.0%Reduced
HBK Sorce Advisory LLC2,093$459.2K0.01%+35+1.7%Added
Umb Bank N A1,950$460.3K0.01%+396+25.5%Added
Hilltop Holdings Inc.1,951$460.5K0.02%+149+8.3%Added
VestGen Advisors, LLC1,991$470.1K0.02%+1,991New
EverSource Wealth Advisors, LLC2,016$476.0K0.02%+386+23.7%Added
Midwest Trust Co2,020$476.8K0.01%−915−31.2%Reduced
Linden Thomas Advisory Services, LLC2,025$478.0K0.05%−21−1.0%Reduced
Leavell Investment Management, Inc.2,023$479.0K0.02%+110+5.8%Added
Coastal Bridge Advisors, LLC2,043$482.3K0.04%−55−2.6%Reduced
Custom Index Systems, LLC2,048$483.5K0.14%+2,048New
Pinnacle Wealth Planning Services, Inc.2,049$483.7K0.06%+2,049New
Perbak Capital Partners LLP2,051$484.2K0.09%−145−6.6%Reduced
Bensler, LLC2,054$484.9K0.05%+9+0.4%Added
Miracle Mile Advisors, LLC2,067$487.9K0.01%+2,067New
One Capital Management, LLC2,099$495.6K0.02%−173−7.6%Reduced
Opal Wealth Advisors, LLC2,100$495.7K0.14%+367+21.2%Added
Three Seasons Wealth, LLC2,098$496.9K0.05%+2,098New
HighPoint Advisor Group LLC2,115$499.3K0.02%+244+13.0%Added
Kovack Advisors, Inc.2,120$500.5K0.05%−1,877−47.0%Reduced
Essex Financial Services, Inc.2,128$502.3K0.03%+258+13.8%Added
Silver Oak Securities, Inc2,152$508.0K0.04%+2,152New
Win Advisors, Inc2,157$509.2K0.25%+2,157New
Clear Street Markets LLC2,166$511.3K0.17%+1,823+531.5%Added
Fifth Third Wealth Advisors LLC2,177$513.9K0.02%+77+3.7%Added
Chicago Partners Investment Group LLC2,309$514.9K0.01%+866+60.0%Added
CX Institutional2,181$515.0K0.02%−29−1.3%Reduced
IFP Advisors, Inc2,182$515.1K0.01%+1,186+119.1%Added
Hazlett, Burt & Watson, Inc.2,200$520.0K0.18%00.0%Unchanged
AlphaCore Capital LLC2,207$522.6K0.02%+436+24.6%Added
Paradigm Financial Partners, LLC2,219$523.8K0.05%−335−13.1%Reduced
Farmers & Merchants Trust Co of Long Beach2,232$526.9K0.11%00.0%Unchanged
Institute for Wealth Management, LLC.2,232$526.9K0.05%−203−8.3%Reduced
Heritage Trust Co2,244$529.7K0.06%00.0%Unchanged
TownSquare Capital, LLC2,254$532.1K0.08%−393−14.8%Reduced
Hamilton Point Investment Advisors, LLC2,250$532.8K0.08%00.0%Unchanged
Gsa Capital Partners LLP2,267$535.0K0.04%+2,267New
Meridian Investment Counsel Inc.2,269$535.6K0.13%00.0%Unchanged
Edgestream Partners, L.P.2,274$536.8K0.02%+2,274New
Harbour Capital Advisors, LLC2,390$537.8K0.11%−170−6.6%Reduced
TCG Advisory Services, LLC2,291$540.8K0.02%−114−4.7%Reduced
Avestar Capital, LLC2,289$541.2K0.04%+2,289New
Smartleaf Asset Management LLC2,378$545.0K0.03%+753+46.3%Added
Grimes & Company, Inc.2,313$546.0K0.01%+2,313New
Commerzbank Aktiengesellschaft2,351$555.0K0.01%00.0%Unchanged
FDx Advisors, Inc.2,168$555.0K0.17%+2,168New
IHT Wealth Management, LLC2,355$555.9K0.01%+156+7.1%Added
Optimist Retirement Group LLC2,369$559.2K0.25%−284−10.7%Reduced
San Luis Wealth Advisors LLC2,373$560.2K0.10%+2,373New
Moors & Cabot, Inc.2,375$560.6K0.02%+2,375New
Summit Financial Wealth Advisors, LLC2,193$563.3K0.09%−646−22.8%Reduced
Trust Asset Management LLC2,398$566.1K0.04%00.0%Unchanged
Alteri Wealth LLC2,436$575.0K0.20%+96+4.1%Added
Nikulski Financial, Inc.2,439$575.8K0.14%00.0%Unchanged
Cahill Financial Advisors Inc2,440$576.0K0.07%−136−5.3%Reduced
CSS LLC2,442$576.5K0.03%+2,442New
Strategic Wealth Partners, Ltd.2,444$576.9K0.04%−559−18.6%Reduced
Stonegate Investment Group, LLC2,453$579.0K0.01%−82−3.2%Reduced
Wedgewood Investors Inc2,474$584.0K0.64%00.0%Unchanged
Titleist Asset Management, LLC2,483$586.1K0.05%+60+2.5%Added
Cozad Asset Management Inc2,495$589.0K0.05%00.0%Unchanged
Lifelong Wealth Advisors, Inc.2,500$590.1K0.18%00.0%Unchanged
Sassicaia Capital Advisers LLC2,500$590.1K0.26%+2,500New
Valeo Financial Advisors, LLC2,504$591.1K0.01%−29−1.1%Reduced
Bank Ozk2,513$593.2K0.21%+103+4.3%Added
Guggenheim Capital LLC2,523$595.6K0.00%−1,727−40.6%Reduced
Tower Research Capital LLC (TRC)2,528$596.8K0.02%−4,164−62.2%Reduced
Fortis Capital Management LLC2,530$597.2K0.08%+25+1.0%Added
Neo Ivy Capital Management2,552$602.4K0.15%+2,552New
KKM Financial LLC2,554$602.9K0.19%00.0%Unchanged
Blankinship & Foster, LLC2,573$607.4K0.13%00.0%Unchanged
Nicholas Hoffman & Company, LLC.2,594$612.3K0.01%00.0%Unchanged
SageView Advisory Group, LLC2,601$614.1K0.02%−165−6.0%Reduced
Engineers Gate Manager LP2,621$618.7K0.01%−59,867−95.8%Reduced
Public Employees Retirement System of Ohio2,638$622.7K0.00%+7+0.3%Added
Lodestar Private Asset Management LLC2,640$623.2K0.07%00.0%Unchanged
Simmons Bank2,643$623.9K0.04%00.0%Unchanged
Citizens Financial Group Inc2,674$631.2K0.01%+393+17.2%Added
Oxford Asset Management LLP2,692$635.5K0.21%+2,692New
Sowell Financial Services LLC2,696$636.4K0.02%+27+1.0%Added
CTC Alternative Strategies, Ltd.2,700$637.4K1.06%+2,700New