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Axcelis

328 hedge funds and large institutions have $2.2B invested in Axcelis in 2025 Q2 according to their latest regulatory filings, with 65 funds opening new positions, 107 increasing their positions, 106 reducing their positions, and 41 closing their positions.

New
Increased
Maintained
Reduced
Closed

100% more funds holding in top 10

Funds holding in top 10: 12 (+1)

59% more first-time investments, than exits

New positions opened: 65 | Existing positions closed: 41

43% more capital invested

Capital invested by funds: $1.54B → $2.2B (+$660M)

8% more funds holding

Funds holding: 305328 (+23)

1.5% more ownership

Funds ownership: 96.75%98.25% (+1.5%)

8% more call options, than puts

Call options by funds: $32.8M | Put options by funds: $30.4M

1% more repeat investments, than reductions

Existing positions increased: 107 | Existing positions reduced: 106

Holders
328
Holders Change
+23
Holders Change %
+7.54%
% of All Funds
4.32%
Holding in Top 10
2
Holding in Top 10 Change
+1
Holding in Top 10 Change %
+100%
% of All Funds
0.03%
New
65
Increased
107
Reduced
106
Closed
41
Calls
$32.8M
Puts
$30.4M
Net Calls
+$2.38M
Net Calls Change
-$82K
Name Holding Trade Value Shares
Change
Change in
Stake
Simplex Trading
126
Simplex Trading
Illinois
$998K +$817K +14,322 New
Cambridge Investment Research Advisors
127
Cambridge Investment Research Advisors
Iowa
$973K +$103K +1,799 +15%
GAM
128
Gotham Asset Management
New York
$950K +$497K +8,713 +177%
Allianz Asset Management
129
Allianz Asset Management
Germany
$887K -$103K -1,800 -12%
Qube Research & Technologies (QRT)
130
Qube Research & Technologies (QRT)
United Kingdom
$855K -$355K -6,220 -34%
YCM
131
Yousif Capital Management
Michigan
$842K +$2.74K +48 +0.4%
Comerica Bank
132
Comerica Bank
Texas
$816K +$33K +579 +5%
PEAK6
133
PEAK6
Illinois
$810K +$308K +5,398 +87%
IFU
134
iSAM Funds (UK)
United Kingdom
$792K +$189K +3,311 +41%
Russell Investments Group
135
Russell Investments Group
United Kingdom
$792K -$31.4K -551 -5%
KK
136
KLP Kapitalforvaltning
Norway
$774K
Renaissance Technologies
137
Renaissance Technologies
New York
$760K -$4.48M -78,600 -88%
P
138
&Partners
Tennessee
$758K +$621K +10,883 New
TRSOTSOK
139
Teachers Retirement System of the State of Kentucky
Kentucky
$746K
Zurich Cantonal Bank
140
Zurich Cantonal Bank
Switzerland
$735K +$2.68K +47 +0.4%
N
141
Numerai
California
$731K -$2.87M -50,265 -83%
SEI Investments
142
SEI Investments
Pennsylvania
$726K -$8.43M -147,771 -93%
GCP
143
GSA Capital Partners
United Kingdom
$708K -$493K -8,648 -46%
New York State Common Retirement Fund
144
New York State Common Retirement Fund
New York
$707K
Ensign Peak Advisors
145
Ensign Peak Advisors
Utah
$695K -$194K -3,400 -25%
IIM
146
Illumine Investment Management
Washington
$693K +$11.8K +207 +2%
State of Tennessee, Department of Treasury
147
State of Tennessee, Department of Treasury
Tennessee
$692K -$227K -3,970 -29%
MSRPS
148
Maryland State Retirement & Pension System
Maryland
$659K
ASRS
149
Arizona State Retirement System
Arizona
$655K +$4.22K +74 +0.8%
AB
150
Amalgamated Bank
New York
$640K -$6.79K -119 -1%

ACLS Hedge Fund Activity: Q2 2025 in Review

328 of the 7,595 institutional investors tracked by Wall St. Rank reported a position in Axcelis (ACLS) for Q2 2025, worth a combined $2.2B — up 43% from $1.54B a quarter earlier.

Buyers outnumbered sellers: 65 funds opened new ACLS positions and 41 closed out — a net gain of 24 holders — while 107 added to existing stakes and 106 trimmed.

The largest buyer was Victory Capital Management, adding an estimated $49.5M. The largest seller was Amundi, cutting an estimated $31.1M.

  • 328 institutional investors held Axcelis (ACLS) as of Q2 2025, up from 305 in Q1 2025.
  • Funds reported $2.2B of Axcelis stock for Q2 2025, up 43% quarter-over-quarter.
  • 65 funds opened new Axcelis positions in Q2 2025 and 41 closed out, a net change of +24 holders.
  • The largest Axcelis buyer in Q2 2025 was Victory Capital Management, an estimated $49.5M added.
  • The largest Axcelis seller in Q2 2025 was Amundi, an estimated $31.1M sold.

Based on aggregated 13F filings for Q2 2025.