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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
AP
2101
Antipodes Partners
Australia
– -$49.7M -403,540 Closed
DPL
2102
Danica Pension Livsforsikrings
– -$45.4M -368,390 Closed
Walleye Trading
2103
Walleye Trading
New York
– -$41.8M -326,826 Closed
CVA
2104
Ceredex Value Advisors
Florida
– -$35.6M -288,659 Closed
TA
2105
Trivest Advisors
Hong Kong
– -$33.3M -270,000 Closed
DKCM
2106
Davidson Kempner Capital Management
New York
– -$29.2M -236,910 Closed
MCP
2107
Meridiem Capital Partners
Texas
– -$26M -211,176 Closed
Temasek Holdings
2108
Temasek Holdings
Singapore
– -$25.7M -208,245 Closed
NSLI
2109
Nan Shan Life Insurance
Taiwan
– -$24.2M -196,635 Closed
RCW
2110
Rheos Capital Works
Japan
– -$20.8M -169,000 Closed
IAM
2111
Infinitum Asset Management
Florida
– -$12.3M -100,000 Closed
ECM
2112
ExodusPoint Capital Management
New York
– -$11.7M -95,058 Closed
TCM
2113
Thames Capital Management
New Jersey
– -$11.4M -92,276 Closed
HLAM
2114
Hidden Lake Asset Management
New York
– -$11.1M -90,175 Closed
MLCM
2115
M & L Capital Management
United Kingdom
– -$10.9M -88,500 Closed
SCM
2116
Soros Capital Management
New York
– -$10.6M -85,850 Closed
PMAM
2117
Picton Mahoney Asset Management
Ontario, Canada
– -$8.92M -72,406 Closed
APC
2118
Alta Park Capital
California
– -$8.48M -68,814 Closed
QCM
2119
Qsemble Capital Management
New York
– -$7.19M -58,328 Closed
MIC
2120
Maxi Investments CY
Cyprus
– -$6.85M -55,548 Closed
FCM
2121
Fieldview Capital Management
Michigan
– -$6.37M -51,678 Closed
TCA
2122
Teewinot Capital Advisers
New York
– -$6.06M -49,200 Closed
Walleye Capital
2123
Walleye Capital
New York
– -$5.88M -45,945 Closed
TAA
2124
TB Alternative Assets
Cayman Islands
– -$4.92M -39,894 Closed
AT
2125
Avenir Tech
Hong Kong
– -$3.94M -32,000 Closed
83 84
85
86 87

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.