Who Owns STX?
Seagate Technology Holdings plc — Institutional Ownership & 13F Holdings
$659.78
+16.48 (+2.56%)
Market Cap
$126.3B
Shares Outstanding
218,073,000
Institutional Holders
779
Total Inst. Value
$87.3B
% of Float Held
91.1%
QoQ Holder Change
+232
Institutional data as of Q1 2025
New Positions
175
Closed Positions
103
Increased
251
Decreased
253
Institutional Ownership Trend
Top 10 Institutional Holders(Q1 2025)
| # | Fund | Value | Shares |
|---|---|---|---|
| 1 | PRIMECAP MANAGEMENT CO/CA/ | $70.5B | 830,455 |
| 2 | VANGUARD GROUP INC | $2.4B | 28,743,126 |
| 3 | JPMORGAN CHASE & CO | $1.6B | 18,920,792 |
| 4 | Sanders Capital, LLC | $1.6B | 18,315,348 |
| 5 | Capital Research Global Investors | $1.3B | 15,551,293 |
| 6 | BlackRock, Inc. | $1.1B | 13,486,251 |
| 7 | NORTHWESTERN MUTUAL WEALTH MANAGEMENT CO | $928.9M | 10,935 |
| 8 | STATE STREET CORP | $734.1M | 8,568,910 |
| 9 | FRANKLIN RESOURCES INC | $731.7M | 8,613,456 |
| 10 | FMR LLC | $582.1M | 6,852,384 |
Biggest Buyers & Sellers This Quarter
Top Buyers
| Fund | Shares Added | Value |
|---|---|---|
| PRIMECAP MANAGEMENT CO/CA/ | +68K | $70.5B |
| VANGUARD GROUP INC | +769K | $2.4B |
| JPMORGAN CHASE & CO | +2.2M | $1.6B |
| Sanders Capital, LLC | +1.8M | $1.6B |
| FRANKLIN RESOURCES INC | +6.7M | $731.7M |
Top Sellers
| Fund | Shares Removed | Value |
|---|---|---|
| Duquesne Family Office LLC | -1.3M | $18.6M |
| Qube Research & Technologies Ltd | -1.3M | $22.6M |
| GOLDMAN SACHS GROUP INC | -1.1M | $104.2M |
| RENAISSANCE TECHNOLOGIES LLC | -956K | $6.1M |
| Clearbridge Investments, LLC | -710K | $77.6M |
Famous Fund Managers
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Frequently Asked Questions
How many institutional investors hold STX?
As of Q1 2025, 779 institutional investors report holding STX (Seagate Technology Holdings plc) in their 13F filings.
What percentage of Seagate Technology Holdings plc is owned by institutions?
Institutional investors hold approximately 91.1% of Seagate Technology Holdings plc's float as reported in SEC 13F filings.
Which hedge fund owns the most STX?
The largest institutional holder of STX is PRIMECAP MANAGEMENT CO/CA/ with $70.5B in shares.
Are institutions buying or selling STX?
This quarter, 175 institutions opened new positions in STX and 103 closed their positions.
What is 13F institutional ownership?
SEC Form 13F is a quarterly report filed by institutional investment managers with over $100M in qualifying assets. It discloses their US equity holdings, providing transparency into what the largest investors are buying and selling.
How often is institutional ownership data updated?
13F filings are due 45 days after each calendar quarter end (May 15, Aug 14, Nov 14, Feb 14). Data is updated on HedgeTrace as new filings are processed.