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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
Man Group
101
Man Group
United Kingdom
$158M +$71.4M +557,759 +144%
New York State Teachers Retirement System (NYSTRS)
102
New York State Teachers Retirement System (NYSTRS)
New York
$158M +$1.29M +10,079 +1%
Acadian Asset Management
103
Acadian Asset Management
Massachusetts
$157M +$89.6M +700,500 +291%
Caisse de Depot et Placement du Quebec (CDPQ)
104
Caisse de Depot et Placement du Quebec (CDPQ)
Quebec, Canada
$155M +$81.9M +639,892 +221%
Thrivent Financial for Lutherans
105
Thrivent Financial for Lutherans
Minnesota
$151M +$37M +288,849 +47%
Robeco Institutional Asset Management
106
Robeco Institutional Asset Management
Netherlands
$150M +$94.8M +741,251 +479%
Aviva
107
Aviva
United Kingdom
$149M +$7.43M +58,094 +7%
Ensign Peak Advisors
108
Ensign Peak Advisors
Utah
$146M +$48.3M +377,689 +76%
BIP
109
Brandes Investment Partners
California
$142M -$39.5M -308,475 -27%
BNP Paribas Asset Management
110
BNP Paribas Asset Management
France
$140M -$8M -62,527 -7%
Holocene Advisors
111
Holocene Advisors
New York
$139M +$106M +830,000 New
Aberdeen Group
112
Aberdeen Group
United Kingdom
$139M -$13.6M -106,599 -11%
DB
113
Danske Bank
Denmark
$138M +$9.51M +74,359 +10%
Victory Capital Management
114
Victory Capital Management
Texas
$136M -$1.08M -8,407 -1%
Russell Investments Group
115
Russell Investments Group
United Kingdom
$136M +$4.13M +32,270 +4%
ClearBridge Investments
116
ClearBridge Investments
New York
$135M -$83.8M -654,911 -45%
Millennium Management
117
Millennium Management
New York
$135M +$61.5M +480,758 +149%
Allianz Asset Management
118
Allianz Asset Management
Germany
$132M +$37.6M +293,954 +60%
Optiver Holding
119
Optiver Holding
Netherlands
$131M -$29.9M -234,011 -23%
QC
120
Quadrature Capital
United Kingdom
$130M +$10.8M +84,644 +12%
DZ Bank
121
DZ Bank
Germany
$130M +$23.1M +180,371 +30%
GLA
122
Great Lakes Advisors
Illinois
$129M +$170K +1,331 +0.2%
ZIG
123
Zurich Insurance Group
Switzerland
$127M +$97M +757,726 New
CI
124
Clal Insurance
Israel
$125M -$6.53M -51,000 -6%
AM
125
Atreides Management
Massachusetts
$121M +$83.7M +654,479 +929%
3 4
5
6 7

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.