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Seagate
STX

953 hedge funds and large institutions have $28.8B invested in Seagate in 2025 Q2 according to their latest regulatory filings, with 238 funds opening new positions, 311 increasing their positions, 276 reducing their positions, and 76 closing their positions.

New
Increased
Maintained
Reduced
Closed

213% more first-time investments, than exits

New positions opened: 238 | Existing positions closed: 76

92% more funds holding in top 10

Funds holding in top 10: 12 → 23 (+11)

70% more capital invested

Capital invested by funds: $16.9B → $28.8B (+$11.8B)

19% more funds holding

Funds holding: 800 → 953 (+153)

13% more repeat investments, than reductions

Existing positions increased: 311 | Existing positions reduced: 276

0.31% less ownership

Funds ownership: 94.15% → 93.84% (-0.31%)

8% less call options, than puts

Call options by funds: $847M | Put options by funds: $921M

Holders
953
Holders Change
+153
Holders Change %
+19.13%
% of All Funds
12.55%
Holding in Top 10
23
Holding in Top 10 Change
+11
Holding in Top 10 Change %
+91.67%
% of All Funds
0.3%
New
238
Increased
311
Reduced
276
Closed
76
Calls
$847M
Puts
$921M
Net Calls
-$73.7M
Net Calls Change
+$56.1M

Top Buyers

Rank Fund Capital Flow
1
Bank of America
Bank of America
North Carolina
+$265M
2
ECU
Egerton Capital (UK)
United Kingdom
+$212M
3
D.E. Shaw & Co
D.E. Shaw & Co
New York
+$173M
4
Boston Partners
Boston Partners
Massachusetts
+$139M
5
SCP
Soroban Capital Partners
New York
+$137M

Top Sellers

Rank Fund Capital Flow
1
Capital Research Global Investors
Capital Research Global Investors
California
-$855M
2
Balyasny Asset Management
Balyasny Asset Management
Illinois
-$212M
3
SPC
Slate Path Capital
New York
-$113M
4
UBS Group
UBS Group
Switzerland
-$111M
5
Vanguard Group
Vanguard Group
Pennsylvania
-$108M
Name Holding Trade Value Shares
Change 		Change in
Stake
Deutsche Bank
26
Deutsche Bank
Germany
$178M +$5.21M +50,320 +4%
MRCP
27
Maple Rock Capital Partners
Ontario, Canada
$163M +$53.9M +520,846 +85%
PCH
28
Polar Capital Holdings
United Kingdom
$158M +$113M +1,094,519 New
UBS Group
29
UBS Group
Switzerland
$151M -$111M -1,073,822 -51%
Bank of New York Mellon
30
Bank of New York Mellon
New York
$147M +$57K +551 +0.1%
Primecap Management
31
Primecap Management
California
$142M +$15.8M +152,752 +18%
Dimensional Fund Advisors
32
Dimensional Fund Advisors
Texas
$139M -$3.21M -31,030 -3%
Point72 Asset Management
33
Point72 Asset Management
Connecticut
$138M -$43M -415,242 -30%
Russell Investments Group
34
Russell Investments Group
United Kingdom
$131M -$4.57M -44,129 -5%
Millennium Management
35
Millennium Management
New York
$108M +$9.22M +89,050 +13%
CHP
36
Castle Hook Partners
New York
$106M +$75.8M +731,803 New
Los Angeles Capital Management
37
Los Angeles Capital Management
California
$103M -$2.33M -22,504 -3%
T. Rowe Price Associates
38
T. Rowe Price Associates
Maryland
$102M +$40.8M +394,160 +127%
BNP Paribas Financial Markets
39
BNP Paribas Financial Markets
France
$99.5M -$5.85M -56,498 -8%
Wells Fargo
40
Wells Fargo
California
$99.3M -$30.4M -293,188 -30%
Allianz Asset Management
41
Allianz Asset Management
Germany
$98.2M -$31.5M -303,833 -31%
Neuberger Berman Group
42
Neuberger Berman Group
New York
$94.7M +$64.4M +621,764 +1,751%
Swiss National Bank
43
Swiss National Bank
Switzerland
$92.5M +$4.58M +44,200 +7%
Renaissance Technologies
44
Renaissance Technologies
New York
$84.5M +$53.1M +513,300 +713%
Amundi
45
Amundi
France
$81.5M +$13.7M +132,266 +33%
ZIG
46
Zurich Insurance Group
Switzerland
$80.5M +$57.7M +557,567 New
AG
47
Avala Global
New York
$80M +$25M +241,430 +77%
Voloridge Investment Management
48
Voloridge Investment Management
Florida
$79M +$36.1M +348,355 +175%
CAM
49
Cacti Asset Management
Georgia
$78.9M – – –
Barclays
50
Barclays
United Kingdom
$78.3M -$4.95M -47,788 -8%
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STX Hedge Fund Activity: Q2 2025 in Review

953 of the 7,595 institutional investors tracked by Wall St. Rank reported a position in Seagate (STX) for Q2 2025, worth a combined $28.8B — up 70% from $16.9B a quarter earlier.

Buyers outnumbered sellers: 238 funds opened new STX positions and 76 closed out — a net gain of 162 holders — while 311 added to existing stakes and 276 trimmed.

The largest buyer was Bank of America, adding an estimated $265M. The largest seller was Capital Research Global Investors, cutting an estimated $855M.

  • 953 institutional investors held Seagate (STX) as of Q2 2025, up from 800 in Q1 2025.
  • Funds reported $28.8B of Seagate stock for Q2 2025, up 70% quarter-over-quarter.
  • 238 funds opened new Seagate positions in Q2 2025 and 76 closed out, a net change of +162 holders.
  • The largest Seagate buyer in Q2 2025 was Bank of America, an estimated $265M added.
  • The largest Seagate seller in Q2 2025 was Capital Research Global Investors, an estimated $855M sold.

Based on aggregated 13F filings for Q2 2025.