Axcelis Technologies Inc

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ACLS·054540208·US·Common Stock·Technology - Semiconductor Equipment & Materials-13D/G

ACLS (Axcelis Technologies Inc) is held by 189 institutional investors as of Q2 2026. Largest holders: BlackRock, Inc. ($952.8M), FMR LLC ($781.7M), VANGUARD PORTFOLIO MANAGEMENT LLC ($469.6M). Net institutional sentiment: Mixed.

189

Holders

(17 Elite)

$5.3B

Total Value

52% (199)

Consensus

104 buying - 95 selling

13F: Jun 30, 2026Insider & Congress: Updated regularly

Smart Money Verdict

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Institutional (13F)70

Insider (Form 4)80

Activist (13D/13G)64

Congressional (STOCK Act)82

Holder Quality

80

★★★★★

Elite

62

★★★★

Strong

88

★★★

Solid

46

★★

Below

79

★

Weak

Held by 189 funds

17 elite

Who's Trading

Source dates: Price Oct 9, 2026 · Insiders Sep 16, 2026 · Activists Aug 6, 2026 · Congress none

InsiderRGRedinbo GregTax 208 shSep 15, 2026

InsiderTCTatnall ChristopherTax 136 shSep 15, 2026

ActivistFMR LLC13.4%Aug 6, 2026

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Top Holders

Top Holders (189)History

AllNewIncreasedHeldDecreasedExitedFirst report

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Fund	Action	Shares	Value	Weight	Est. P&L	Conviction
BlackRock, Inc.	Increased	5M(+1.9%)	$952.8M	0.0%	+85.61%	32
FMR LLC	Increased	4.1M(+69.7%)	$781.7M	0.0%	+5.93%	47
VPVANGUARD PORTFOLIO MANAGEMENT LLC	Decreased	2.5M(-0.4%)	$469.6M	0.0%	+44.72%	0
VAVANGUARD CAPITAL MANAGEMENT LLC	Increased	1.4M(+0.3%)	$262.7M	0.0%	+44.32%	31
STATE STREET CORP	Increased	1.2M(+3.5%)	$233.2M	0.0%	+5.21%	32
VICTORY CAPITAL MANAGEMENT INC	Decreased	1.1M(-11.3%)	$214.8M	0.1%	+76.33%	0
GEODE CAPITAL MANAGEMENT, LLC	Increased	833,607(+2.8%)	$158M	0.0%	+102.10%	31
BNP Paribas Asset Management Holding S.A.	Decreased	803,151(-20.2%)	$152.2M	0.2%	+59.50%	0
DIMENSIONAL FUND ADVISORS LP	Decreased	709,266(-16.0%)	$134.3M	0.0%	+12.63%	0
BALYASNY ASSET MANAGEMENT L.P.	Decreased	616,196(-54.8%)	$116.7M	0.1%	+58.32%	0
PRIMECAP MANAGEMENT CO/CA/	Decreased	610,451(-7.3%)	$115.6M	0.1%	+616.17%	0
Invesco Ltd.	Increased	527,724(+219.7%)	$100M	0.0%	-16.49%	48
CHARLES SCHWAB INVESTMENT MANAGEMENT INC	Decreased	416,230(-6.6%)	$78.9M	0.0%	+85.02%	0
PRICE T ROWE ASSOCIATES INC /MD/	Increased	394,455(+8.9%)	$74.7M	0.0%	+37.91%	32
BARROW HANLEY MEWHINNEY & STRAUSS LLC	Increased	392,240(+6880x)	$74.3M	0.2%	-28.89%	57
MANUFACTURERS LIFE INSURANCE COMPANY, THE	Decreased	383,760(-22.0%)	$72.7M	0.1%	+57.30%	0
NORTHERN TRUST CORP	Decreased	382,027(-8.3%)	$72.4M	0.0%	+207.66%	0
AMERICAN CENTURY COMPANIES INC	Decreased	369,879(-61.1%)	$70.1M	0.0%	+57.14%	0
MORGAN STANLEY	Decreased	366,077(-37.1%)	$69.4M	0.0%	+18.04%	0
Boston Trust Walden Corp	Decreased	359,256(-5.1%)	$68.1M	0.5%	+46.07%	0

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High Conviction Moves-Smart Money Convergence-Fund Consensus-Double-Down Detection

Data sourced from four public-disclosure sources: SEC 13F, Form 4, 13D/13G, and House/Senate STOCK Act disclosures. Not financial advice. Full disclaimer