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Axcelis Technologies, Inc. (ACLS)

108.70 +9.46 (+9.53%)
As of 1:01:34 PM EST. Market Open.
Trade ACLS on Coinbase

Major Holders

Breakdown
0.68% % of Shares Held by All Insider
102.03% % of Shares Held by Institutions
102.73% % of Float Held by Institutions
542 Number of Institutions Holding Shares

Top Institutional Holders

Holder Shares Date Reported % Out Value
Blackrock Inc.
5.03M Jun 30, 2026 16.29% 543,483,651
FMR, LLC
4.13M Jun 30, 2026 13.36% 445,844,960
Vanguard Portfolio Management LLC
2.48M Jun 30, 2026 8.03% 267,867,550
Vanguard Capital Management LLC
1.39M Jun 30, 2026 4.49% 149,827,131
State Street Corporation
1.23M Jun 30, 2026 3.99% 133,033,635
Victory Capital Management Inc.
1.13M Jun 30, 2026 3.67% 122,540,793
Reinhart Partners, LLC
1.06M Sep 30, 2026 3.43% 114,612,323
Geode Capital Management, LLC
926.31k Sep 30, 2026 3.00% 100,096,840
BNP Paribas Asset Management Holding S.A.
803.15k Jun 30, 2026 2.60% 86,788,495
Dimensional Fund Advisors LP
790.97k Sep 30, 2026 2.56% 85,472,000

Top Mutual Fund Holders

Holder Shares Date Reported % Out Value
iShares Trust-iShares Core S&P Small-Cap ETF
1.84M Sep 30, 2026 5.95% 198,714,987
VANGUARD INDEX FUNDS-Vanguard Total Stock Market Index Fund
976.85k Jun 30, 2026 3.16% 105,558,516
iShares Trust-iShares Russell 2000 ETF
815.57k Sep 30, 2026 2.64% 88,130,384
VANGUARD WORLD FUND-Vanguard Information Technology Index Fund
746.53k Aug 31, 2026 2.42% 80,669,705
VANGUARD INDEX FUNDS-Vanguard Small-Cap Index Fund
704.94k Jun 30, 2026 2.28% 76,175,706
PRIMECAP Odyssey Funds-PRIMECAP Odyssey Aggressive Growth Fund
563.33k Sep 30, 2026 1.82% 60,873,006
Fidelity Contrafund
500.56k Sep 30, 2026 1.62% 54,090,944
Fidelity Rutland Square TRT II-Strategic Advisers Fidelity U.S. Total
467.67k Sep 30, 2026 1.51% 50,536,094
VANGUARD INDEX FUNDS-Vanguard Small-Cap Value Index Fund
446.49k Jun 30, 2026 1.45% 48,248,140
VANGUARD INDEX FUNDS-Vanguard Extended Market Index Fund
352.33k Jun 30, 2026 1.14% 38,073,103

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