ACLS

Axcelis Technologies INC

+$523.5M

Net Activity

Institutions Holding

380

Popularity Rank

#1533

Avg Weight

0.06%

Total Value

$3.0B

Ownership Trend

380 institutions currently hold ACLS, with 162 net buyers and 193 net sellers this quarter.

Institutional Moves

Institutional Moves (Q1 2026)

Neutral

Based on recent trading activity

Net Selling Institutions

193

Net Buying Institutions

162

Key Holders

Key Holders

Top 5 by Value

BI
BlackRock, Inc.
$459.5M
VP
Vanguard Portfolio Management LLC
$231.6M
FL
FMR LLC
$226.3M
RP
Reinhart Partners, LLC.
$154.3M
VC
Vanguard Capital Management LLC
$128.7M

Top 5 by Conviction

RP
Reinhart Partners, LLC.
4.44%
SC
Sagefield Capital LP
0.55%
PC
Portolan Capital Management, LLC
0.38%
KC
Kennedy Capital Management LLC
0.35%
BT
Boston Trust Walden Corp
0.29%
View all 380 holding institutions

Quarterly Activity

Recent Activity

+$1.7B

Total Buy Value

$1.1B

Total Sell Value

New buy62
Trim135
Add100
Sold out58

162

Net Buyers

193

Net Sellers

Insider Trading (Form 4)

Form 144 Pre-Sale Notices

1

Filings (90d)

$250K

Total Est. Value

2K shares

Planned Shares

Last Filed 2026-06-03
FilerFiling DateEst. Value
Sayiner Necip2026-06-03$250K

Form 144 is a planned sale notice, not an executed transaction. Form 144 Tracker。

Beneficial Ownership (13D/13G)

0

Active 5%+ Holders

Data as of 2026-07-14
Reporting PersonTypeFiling Date% of Class
REINHART PARTNERS, LLC.13G/A2026-07-143.0%

View all Schedule 13D/13G filings

Material Events (8-K)

No Form 8-K filings for this ticker

FAQ

Who are the top institutional investors holding AXCELIS TECHNOLOGIES INC (ACLS)?
Major stakeholders currently include BlackRock, Inc. ($459.5M), Vanguard Portfolio Management LLC ($231.6M), FMR LLC ($226.3M). Based on the latest 13F filings, there are a total of 380 tracked investment funds and institutions maintaining positions in ACLS.
What is the overall institutional sentiment toward ACLS recently?
Institutional sentiment appears Bullish (Net Buying). During the most recent reporting quarter, the stock experienced a net inflow of $523.5M, driven by 162 managers accumulating shares while 193 reduced their exposure.
Which institutions have been selling or reducing their ACLS positions?
In the latest period, 135 funds trimmed their holdings, and 58 managers completely exited their positions. The aggregate reported sell value was $1.1B.
Are there any notable investors adding ACLS to their portfolios?
Yes, buying activity remains notable. 62 institutions opened new positions in {ticker}, and 100 existing holders added to their shares. The total reported buy value for the quarter amounted to $1.7B.

Related Stocks

Same Sector

Other stocks in the same GICS sector

MSFT

Microsoft CORP

Institutions Holding

6,150

Total reported value

$2.1T

356 institutions currently hold both ACLS and this stock

View detail
AAPL

Apple INC

Institutions Holding

6,057

Total reported value

$2.4T

357 institutions currently hold both ACLS and this stock

View detail
NVDA

Nvidia CORP

Institutions Holding

5,764

Total reported value

$3.0T

347 institutions currently hold both ACLS and this stock

View detail

Trending Institutional Adds

The most-added stocks by 13F institutions this quarter

MSFT

Microsoft CORP

Institutions Holding

6,150

Total reported value

$2.1T

3245 13F institutions increased their position this quarter

View detail
AMZN

Amazon.com INC

Institutions Holding

5,957

Total reported value

$1.5T

3028 13F institutions increased their position this quarter

View detail
NVDA

Nvidia CORP

Institutions Holding

5,764

Total reported value

$3.0T

2743 13F institutions increased their position this quarter

View detail