Seagate
STX
1,965 hedge funds and large institutions have $181B invested in Seagate in 2026 Q2 according to their latest regulatory filings, with 581 funds opening new positions, 627 increasing their positions, 605 reducing their positions, and 68 closing their positions.
754% more first-time investments, than exits
New positions opened: 581 | Existing positions closed: 68
144% more capital invested
Capital invested by funds: $74.2B → $181B (+$107B)
112% more funds holding in top 10
Funds holding in top 10: 50 → 106 (+56)
34% more funds holding
Funds holding: 1,470 → 1,965 (+495)
4% more repeat investments, than reductions
Existing positions increased: 627 | Existing positions reduced: 605
3.21% less ownership
Funds ownership: 87.22% → 84.01% (-3.2%)
65% less call options, than puts
Call options by funds: $6.39B | Put options by funds: $18.3B
Top Buyers
| Rank | Fund | Capital Flow |
|---|---|---|
| 1 |
Wellington Management Group
Boston,
Massachusetts
|
+$1.77B |
| 2 |
Jane Street
New York
|
+$1.11B |
| 3 |
ETC
Exchange Traded Concepts
Oklahoma City,
Oklahoma
|
+$856M |
| 4 |
Capital International Investors
Los Angeles,
California
|
+$787M |
| 5 |
LPC
Lone Pine Capital
Greenwich,
Connecticut
|
+$763M |
Top Sellers
| Rank | Fund | Capital Flow |
|---|---|---|
| 1 |
Sanders Capital
West Palm Beach,
Florida
|
-$7.18B |
| 2 |
Vanguard Portfolio Management
Malvern,
Pennsylvania
|
-$2.36B |
| 3 |
NAMI
Nomura Asset Management International
Philadelphia,
Pennsylvania
|
-$1.37B |
| 4 |
Franklin Resources
San Mateo,
California
|
-$1.31B |
| 5 |
DZ Bank
Frankfurt Am Main,
Germany
|
-$1.15B |
STX Hedge Fund Activity: Q2 2026 in Review
1,965 of the 8,345 institutional investors tracked by Wall St. Rank reported a position in Seagate (STX) for Q2 2026, worth a combined $181B — up 144% from $74.2B a quarter earlier.
Buyers outnumbered sellers: 581 funds opened new STX positions and 68 closed out — a net gain of 513 holders — while 627 added to existing stakes and 605 trimmed.
The largest buyer was Wellington Management Group, adding an estimated $1.77B. The largest seller was Sanders Capital, cutting an estimated $7.18B.
- 1,965 institutional investors held Seagate (STX) as of Q2 2026, up from 1,470 in Q1 2026.
- Funds reported $181B of Seagate stock for Q2 2026, up 144% quarter-over-quarter.
- 581 funds opened new Seagate positions in Q2 2026 and 68 closed out, a net change of +513 holders.
- The largest Seagate buyer in Q2 2026 was Wellington Management Group, an estimated $1.77B added.
- The largest Seagate seller in Q2 2026 was Sanders Capital, an estimated $7.18B sold.
Based on aggregated 13F filings for Q2 2026.