Seagate
STX
1,946 hedge funds and large institutions have $180B invested in Seagate in 2026 Q2 according to their latest regulatory filings, with 576 funds opening new positions, 619 increasing their positions, 601 reducing their positions, and 67 closing their positions.
760% more first-time investments, than exits
New positions opened: 576 | Existing positions closed: 67
143% more capital invested
Capital invested by funds: $74.1B → $180B (+$106B)
110% more funds holding in top 10
Funds holding in top 10: 50 → 105 (+55)
33% more funds holding
Funds holding: 1,464 → 1,946 (+482)
3% more repeat investments, than reductions
Existing positions increased: 619 | Existing positions reduced: 601
3.45% less ownership
Funds ownership: 87.14% → 83.69% (-3.4%)
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
1,946 of the 8,264 institutional investors tracked by Wall St. Rank reported a position in Seagate (STX) for Q2 2026, worth a combined $180B — up 143% from $74.1B a quarter earlier.
Buyers outnumbered sellers: 576 funds opened new STX positions and 67 closed out — a net gain of 509 holders — while 619 added to existing stakes and 601 trimmed.
The largest buyer was Wellington Management Group, adding an estimated $1.77B. The largest seller was Sanders Capital, cutting an estimated $7.18B.
- 1,946 institutional investors held Seagate (STX) as of Q2 2026, up from 1,464 in Q1 2026.
- Funds reported $180B of Seagate stock for Q2 2026, up 143% quarter-over-quarter.
- 576 funds opened new Seagate positions in Q2 2026 and 67 closed out, a net change of +509 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.