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Alpha and Omega Semiconductor
AOSL

164 hedge funds and large institutions have $557M invested in Alpha and Omega Semiconductor in 2025 Q2 according to their latest regulatory filings, with 31 funds opening new positions, 74 increasing their positions, 32 reducing their positions, and 22 closing their positions.

New
Increased
Maintained
Reduced
Closed

191% more call options, than puts

Call options by funds: $4.36M | Put options by funds: $1.5M

131% more repeat investments, than reductions

Existing positions increased: 74 | Existing positions reduced: 32

41% more first-time investments, than exits

New positions opened: 31 | Existing positions closed: 22

5% more funds holding

Funds holding: 156 → 164 (+8)

1% less capital invested

Capital invested by funds: $563M → $557M (-$5.91M)

3.17% less ownership

Funds ownership: 76.98% → 73.81% (-3.2%)

Holders
164
Holders Change
+8
Holders Change %
+5.13%
% of All Funds
2.16%
Holding in Top 10
1
Holding in Top 10 Change
+1
Holding in Top 10 Change %
% of All Funds
0.01%
New
31
Increased
74
Reduced
32
Closed
22
Calls
$4.36M
Puts
$1.5M
Net Calls
+$2.86M
Net Calls Change
+$2M

Top Buyers

Rank Fund Capital Flow
1
Boston Partners
Boston Partners
Massachusetts
+$11.2M
2
Millennium Management
Millennium Management
New York
+$8.8M
3
Goldman Sachs
Goldman Sachs
New York
+$7.58M
4
Manulife (Manufacturers Life Insurance)
Manulife (Manufacturers Life Insurance)
Ontario, Canada
+$3.45M
5
Two Sigma Investments
Two Sigma Investments
New York
+$2.75M

Top Sellers

Rank Fund Capital Flow
1
HRCM
Hood River Capital Management
Florida
-$49.4M
2
Invesco
Invesco
Georgia
-$9.38M
3
CC
Clearline Capital
New York
-$9.27M
4
Wellington Management Group
Wellington Management Group
Massachusetts
-$3.39M
5
UBS Group
UBS Group
Switzerland
-$2.75M
Name Holding Trade Value Shares
Change 		Change in
Stake
CF
176
Corebridge Financial
Texas
– -$309K -12,440 Closed
TSS
177
Two Sigma Securities
New York
– -$255K -10,256 Closed
PCM
178
Prelude Capital Management
New York
– -$254K -10,237 Closed
ACM
179
Aquatic Capital Management
Illinois
– -$162K -6,522 Closed
BC
180
Bayforest Capital
United Kingdom
– -$4.47K -180 Closed
W
181
WealthCollab
Washington
– -$1.62K -65 Closed
CCM
182
Coldstream Capital Management
Washington
– -$1.22K -49 Closed
SC
183
Stephens Consulting
Michigan
– -$373 -15 Closed
CA
184
CoreCap Advisors
Michigan
– -$348 -14 Closed
TCM
185
TD Capital Management
Tennessee
– -$199 -8 Closed
4 5 6 7
8

AOSL Hedge Fund Activity: Q2 2025 in Review

164 of the 7,595 institutional investors tracked by Wall St. Rank reported a position in Alpha and Omega Semiconductor (AOSL) for Q2 2025, worth a combined $557M — down 1% from $563M a quarter earlier.

Buyers outnumbered sellers: 31 funds opened new AOSL positions and 22 closed out — a net gain of 9 holders — while 74 added to existing stakes and 32 trimmed.

The largest buyer was Boston Partners, adding an estimated $11.2M. The largest seller was Hood River Capital Management, exiting entirely with an estimated $49.4M sold.

  • 164 institutional investors held Alpha and Omega Semiconductor (AOSL) as of Q2 2025, up from 156 in Q1 2025.
  • Funds reported $557M of Alpha and Omega Semiconductor stock for Q2 2025, down 1% quarter-over-quarter.
  • 31 funds opened new Alpha and Omega Semiconductor positions in Q2 2025 and 22 closed out, a net change of +9 holders.
  • The largest Alpha and Omega Semiconductor buyer in Q2 2025 was Boston Partners, an estimated $11.2M added.
  • The largest Alpha and Omega Semiconductor seller in Q2 2025 was Hood River Capital Management, an estimated $49.4M sold.

Based on aggregated 13F filings for Q2 2025.