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Micron Technology
MU

2,093 hedge funds and large institutions have $146B invested in Micron Technology in 2025 Q3 according to their latest regulatory filings, with 388 funds opening new positions, 789 increasing their positions, 660 reducing their positions, and 126 closing their positions.

New
Increased
Maintained
Reduced
Closed

208% more first-time investments, than exits

New positions opened: 388 | Existing positions closed: 126

33% more capital invested

Capital invested by funds: $110B → $146B (+$35.8B)

20% more repeat investments, than reductions

Existing positions increased: 789 | Existing positions reduced: 660

18% more funds holding in top 10

Funds holding in top 10: 56 → 66 (+10)

13% more funds holding

Funds holding: 1,860 → 2,093 (+233)

1.93% less ownership

Funds ownership: 79.71% → 77.78% (-1.9%)

26% less call options, than puts

Call options by funds: $10.7B | Put options by funds: $14.3B

Holders
2,093
Holders Change
+233
Holders Change %
+12.53%
% of All Funds
27.47%
Holding in Top 10
66
Holding in Top 10 Change
+10
Holding in Top 10 Change %
+17.86%
% of All Funds
0.87%
New
388
Increased
789
Reduced
660
Closed
126
Calls
$10.7B
Puts
$14.3B
Net Calls
-$3.66B
Net Calls Change
-$2.03B

Top Buyers

1
AQR Capital Management
AQR Capital Management
Connecticut
+$373M
2
Jane Street
Jane Street
New York
+$324M
3
Two Sigma Advisers
Two Sigma Advisers
New York
+$310M
4
BlackRock
BlackRock
New York
+$217M
5
Citadel Advisors
Citadel Advisors
Florida
+$217M

Top Sellers

1
Capital Research Global Investors
Capital Research Global Investors
California
-$1.02B
2
Capital World Investors
Capital World Investors
California
-$847M
3
JP Morgan Chase
JP Morgan Chase
New York
-$721M
4
Bank of America
Bank of America
North Carolina
-$497M
5
Susquehanna International Group
Susquehanna International Group
Pennsylvania
-$372M
Name Holding Trade Value Shares
Change 		Change in
Stake
Jane Street
26
Jane Street
New York
$1.08B +$324M +2,529,614 +64%
T. Rowe Price Associates
27
T. Rowe Price Associates
Maryland
$1.01B +$86.5M +675,699 +13%
Boston Partners
28
Boston Partners
Massachusetts
$895M +$70.4M +550,284 +12%
Citigroup
29
Citigroup
New York
$743M +$53M +413,899 +10%
BNP Paribas Financial Markets
30
BNP Paribas Financial Markets
France
$710M +$48.1M +375,759 +10%
Deutsche Bank
31
Deutsche Bank
Germany
$682M -$6.54M -51,075 -1%
Wells Fargo
32
Wells Fargo
California
$665M +$111M +868,601 +28%
Sumitomo Mitsui Trust Group
33
Sumitomo Mitsui Trust Group
Japan
$643M -$75.9M -593,423 -13%
AQR Capital Management
34
AQR Capital Management
Connecticut
$607M +$373M +2,918,535 +412%
Amundi
35
Amundi
France
$577M -$47.3M -369,970 -11%
N
36
Nuveen
North Carolina
$566M -$144M -1,124,760 -25%
HSBC Holdings
37
HSBC Holdings
United Kingdom
$551M +$54.8M +428,542 +15%
Swiss National Bank
38
Swiss National Bank
Switzerland
$540M -$20.1M -157,200 -5%
Rafferty Asset Management
39
Rafferty Asset Management
New York
$529M -$124M -970,663 -24%
Macquarie Group
40
Macquarie Group
Australia
$522M +$37.7M +294,425 +10%
California Public Employees Retirement System
41
California Public Employees Retirement System
California
$506M +$160M +1,246,773 +70%
Swedbank
42
Swedbank
Sweden
$499M -$37.5M -293,313 -9%
National Pension Service
43
National Pension Service
South Korea
$471M +$15.1M +117,862 +4%
Royal Bank of Canada
44
Royal Bank of Canada
Ontario, Canada
$468M -$31.1M -243,353 -8%
Citadel Advisors
45
Citadel Advisors
Florida
$451M +$217M +1,692,258 +169%
Pictet Asset Management
46
Pictet Asset Management
Switzerland
$440M +$4.87M +38,046 +1%
Bank of Montreal
47
Bank of Montreal
Ontario, Canada
$418M +$49.7M +388,188 +18%
VOYA Investment Management
48
VOYA Investment Management
Georgia
$406M -$130M -1,016,565 -29%
Two Sigma Advisers
49
Two Sigma Advisers
New York
$405M +$310M +2,419,000 +80,633%
Mitsubishi UFJ Asset Management
50
Mitsubishi UFJ Asset Management
Japan
$391M +$12.4M +96,602 +4%
1
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MU Hedge Fund Activity: Q3 2025 in Review

2,093 of the 7,619 institutional investors tracked by Wall St. Rank reported a position in Micron Technology (MU) for Q3 2025, worth a combined $146B — up 33% from $110B a quarter earlier.

Buyers outnumbered sellers: 388 funds opened new MU positions and 126 closed out — a net gain of 262 holders — while 789 added to existing stakes and 660 trimmed.

The largest buyer was AQR Capital Management, adding an estimated $373M. The largest seller was Capital Research Global Investors, cutting an estimated $1.02B.

  • 2,093 institutional investors held Micron Technology (MU) as of Q3 2025, up from 1,860 in Q2 2025.
  • Funds reported $146B of Micron Technology stock for Q3 2025, up 33% quarter-over-quarter.
  • 388 funds opened new Micron Technology positions in Q3 2025 and 126 closed out, a net change of +262 holders.
  • The largest Micron Technology buyer in Q3 2025 was AQR Capital Management, an estimated $373M added.
  • The largest Micron Technology seller in Q3 2025 was Capital Research Global Investors, an estimated $1.02B sold.

Based on aggregated 13F filings for Q3 2025.