Seagate
STX
1,470 hedge funds and large institutions have $74.2B invested in Seagate in 2026 Q1 according to their latest regulatory filings, with 311 funds opening new positions, 495 increasing their positions, 503 reducing their positions, and 104 closing their positions.
199% more first-time investments, than exits
New positions opened: 311 | Existing positions closed: 104
56% more funds holding in top 10
Funds holding in top 10: 32 → 50 (+18)
39% more capital invested
Capital invested by funds: $53.5B → $74.2B (+$20.7B)
15% more funds holding
Funds holding: 1,279 → 1,470 (+191)
2% less repeat investments, than reductions
Existing positions increased: 495 | Existing positions reduced: 503
3.79% less ownership
Funds ownership: 91.01% → 87.22% (-3.8%)
59% less call options, than puts
Call options by funds: $2.25B | Put options by funds: $5.46B
Top Buyers
| Rank | Fund | Capital Flow |
|---|---|---|
| 1 |
Fidelity Investments
Boston,
Massachusetts
|
+$1.69B |
| 2 |
NAMI
Nomura Asset Management International
Philadelphia,
Pennsylvania
|
+$687M |
| 3 |
Capital Research Global Investors
Los Angeles,
California
|
+$467M |
| 4 |
Janus Henderson Group
London,
|
+$360M |
| 5 |
Goldman Sachs
New York
|
+$312M |
Top Sellers
| Rank | Fund | Capital Flow |
|---|---|---|
| 1 |
Sanders Capital
West Palm Beach,
Florida
|
-$1.63B |
| 2 |
BlackRock
New York
|
-$703M |
| 3 |
DZ Bank
Frankfurt Am Main,
Germany
|
-$685M |
| 4 |
Arrowstreet Capital
Boston,
Massachusetts
|
-$671M |
| 5 |
Bank of America
Charlotte,
North Carolina
|
-$343M |
STX Hedge Fund Activity: Q1 2026 in Review
1,470 of the 8,208 institutional investors tracked by Wall St. Rank reported a position in Seagate (STX) for Q1 2026, worth a combined $74.2B — up 39% from $53.5B a quarter earlier.
Buyers outnumbered sellers: 311 funds opened new STX positions and 104 closed out — a net gain of 207 holders — while 495 added to existing stakes and 503 trimmed.
The largest buyer was Fidelity Investments, adding an estimated $1.69B. The largest seller was Sanders Capital, cutting an estimated $1.63B.
- 1,470 institutional investors held Seagate (STX) as of Q1 2026, up from 1,279 in Q4 2025.
- Funds reported $74.2B of Seagate stock for Q1 2026, up 39% quarter-over-quarter.
- 311 funds opened new Seagate positions in Q1 2026 and 104 closed out, a net change of +207 holders.
- The largest Seagate buyer in Q1 2026 was Fidelity Investments, an estimated $1.69B added.
- The largest Seagate seller in Q1 2026 was Sanders Capital, an estimated $1.63B sold.
Based on aggregated 13F filings for Q1 2026.