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Axcelis

377 hedge funds and large institutions have $3.03B invested in Axcelis in 2026 Q1 according to their latest regulatory filings, with 71 funds opening new positions, 98 increasing their positions, 133 reducing their positions, and 58 closing their positions.

New
Increased
Maintained
Reduced
Closed

227% more call options, than puts

Call options by funds: $23.5M | Put options by funds: $7.18M

22% more first-time investments, than exits

New positions opened: 71 | Existing positions closed: 58

20% more capital invested

Capital invested by funds: $2.52B → $3.03B (+$511M)

4.97% more ownership

Funds ownership: 100.98%105.96% (+5%)

2% more funds holding

Funds holding: 370377 (+7)

0% more funds holding in top 10

Funds holding in top 10: 11 (0)

26% less repeat investments, than reductions

Existing positions increased: 98 | Existing positions reduced: 133

Holders
377
Holders Change
+7
Holders Change %
+1.89%
% of All Funds
4.64%
Holding in Top 10
1
Holding in Top 10 Change
Holding in Top 10 Change %
% of All Funds
0.01%
New
71
Increased
98
Reduced
133
Closed
58
Calls
$23.5M
Puts
$7.18M
Net Calls
+$16.3M
Net Calls Change
+$15.7M
Name Holding Trade Value Shares
Change
Change in
Stake
UBS AM
51
UBS AM
Illinois
$6.01M +$306K +3,453 +6%
Swiss National Bank
52
Swiss National Bank
Switzerland
$5.7M
Wells Fargo
53
Wells Fargo
California
$4.81M -$2.48M -28,051 -35%
Holocene Advisors
54
Holocene Advisors
New York
$4.8M +$3.18M +35,896 +229%
QAM
55
QSM Asset Management
United Kingdom
$4.63M -$141K -1,595 -3%
Mercer Global Advisors
56
Mercer Global Advisors
Colorado
$4.47M +$3.92M +44,255 +1,189%
GLA
57
Great Lakes Advisors
Illinois
$4.43M +$4.21M +47,594 New
EMFAT
58
Emerald Mutual Fund Advisers Trust
Pennsylvania
$4.41M +$4.2M +47,412 New
SEI Investments
59
SEI Investments
Pennsylvania
$4.19M +$1.51M +17,059 +61%
GC
60
Globeflex Capital
California
$4.14M -$1.02M -11,542 -21%
Voloridge Investment Management
61
Voloridge Investment Management
Florida
$4.12M -$15.6M -176,467 -80%
NIM
62
Needham Investment Management
New York
$3.96M +$1.99M +22,500 +113%
OWIM
63
Old West Investment Management
California
$3.95M +$2.16M +24,417 +135%
HCA
64
Harbor Capital Advisors
Illinois
$3.89M -$253K -2,856 -6%
AIM
65
ARGA Investment Management
Connecticut
$3.85M +$2.03M +22,874 +123%
State of Wisconsin Investment Board
66
State of Wisconsin Investment Board
Wisconsin
$3.84M -$823K -9,299 -18%
O
67
Ossiam
France
$3.79M
Amundi
68
Amundi
France
$3.78M +$297K +3,353 +9%
Allianz Asset Management
69
Allianz Asset Management
Germany
$3.74M +$3.55M +40,133 New
AQR Capital Management
70
AQR Capital Management
Connecticut
$3.72M +$216K +2,434 +6%
EIA
71
Emerald Investment Advisers
Pennsylvania
$3.7M +$3.52M +39,764 New
IP
72
Isthmus Partners
Wisconsin
$3.66M -$188K -2,123 -5%
EF
73
Empowered Funds
Pennsylvania
$3.64M +$3.46M +39,087 New
BIM
74
Bridges Investment Management
Nebraska
$3.6M +$907K +10,237 +36%
Bessemer Group
75
Bessemer Group
New Jersey
$3.54M +$2.57K +29 +0.1%

ACLS Hedge Fund Activity: Q1 2026 in Review

377 of the 8,126 institutional investors tracked by Wall St. Rank reported a position in Axcelis (ACLS) for Q1 2026, worth a combined $3.03B — up 20% from $2.52B a quarter earlier.

Buyers outnumbered sellers: 71 funds opened new ACLS positions and 58 closed out — a net gain of 13 holders — while 98 added to existing stakes and 133 trimmed.

The largest buyer was Fidelity Investments, adding an estimated $161M. The largest seller was Victory Capital Management, cutting an estimated $46.8M.

  • 377 institutional investors held Axcelis (ACLS) as of Q1 2026, up from 370 in Q4 2025.
  • Funds reported $3.03B of Axcelis stock for Q1 2026, up 20% quarter-over-quarter.
  • 71 funds opened new Axcelis positions in Q1 2026 and 58 closed out, a net change of +13 holders.
  • The largest Axcelis buyer in Q1 2026 was Fidelity Investments, an estimated $161M added.
  • The largest Axcelis seller in Q1 2026 was Victory Capital Management, an estimated $46.8M sold.

Based on aggregated 13F filings for Q1 2026.