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Security record · archived quarter

ACLS

Axcelis Technologies, Inc. · Technology · Semiconductors

125.40 +1.5% mkt cap $3.85B quote delayed (FMP) · as of Aug 25 22:08 UTC — separate from filing data below

Q2 2026 Q1 2026 Q4 2025 Q3 2025 Q2 2025 Q1 2025 Q4 2024 Q3 2024
116Tracked holders
+8Δ holders
23.63MShares held
$4.46BReported value
+14New positions
−5Exits
Rising Conviction score 40/100 How these are computed → Explain this at the Research Desk →

Momentum inputs (comparable managers): holder breadth +7.4% · share flow -4.4% · net new positions +7.8%formula
Ownership fragmentation — more holders, smaller aggregate stake

All ownership figures: tracked 13F managers only, common-stock positions, reporting period Q2 2026

Ownership over time
QuarterHoldersΔSharesReported valueNewExits
Q2 2026 116 +8 23.63M $4.46B +14 −5
Q1 2026 110 -2 24.77M $2.31B +8 −11
Q4 2025 113 -1 26.05M $2.10B +2 −2
Q3 2025 19 +2 15.18M $1.48B +3 −2
Q2 2025 15 0 13.89M $968.02M
Q1 2025 12 -2 4.01M $199.11M −2
Q4 2024 14 -1 4.97M $347.01M −1
Q3 2024 14 +1 3.52M $369.55M +2 −1
Q2 2024 13 3.59M $510.78M
Holder count
Who holds it · Q2 2026
#ManagerSharesΔ sharesValueTheir weightHeld
1 BlackRock (passive) 5.03M +1.9% $952.83M 0.0% ▲ Add 5 SEC ↗
2 BlackRock (passive) 5.03M +1.9% $952.83M 0.0% ▲ Add 5 SEC ↗
3 BlackRock (passive) 5.03M +1.9% $952.83M 0.0% ▲ Add 5 SEC ↗
4 BlackRock (passive) 5.03M +1.9% $952.83M 0.0% ▲ Add 5 SEC ↗
5 BlackRock (passive) 5.03M +1.9% $952.83M 0.0% ▲ Add 5 SEC ↗
6 BlackRock (passive) 5.03M +1.9% $952.83M 0.0% ▲ Add 5 SEC ↗
7 BlackRock (passive) 5.03M +1.9% $952.83M 0.0% ▲ Add 5 SEC ↗
8 BlackRock (passive) 5.03M +1.9% $952.83M 0.0% ▲ Add 5 SEC ↗
9 BlackRock (passive) 5.03M +1.9% $952.83M 0.0% ▲ Add 5 SEC ↗
10 BlackRock (passive) 5.03M +1.9% $952.83M 0.0% ▲ Add 5 SEC ↗
11 BlackRock (passive) 5.03M +1.9% $952.83M 0.0% ▲ Add 5 SEC ↗
12 BlackRock (passive) 5.03M +1.9% $952.83M 0.0% ▲ Add 5 SEC ↗
13 BlackRock (passive) 5.03M +1.9% $952.83M 0.0% ▲ Add 5 SEC ↗
14 BlackRock (passive) 5.03M +1.9% $952.83M 0.0% ▲ Add 5 SEC ↗
15 BlackRock (passive) 5.03M +1.9% $952.83M 0.0% ▲ Add 5 SEC ↗
16 BlackRock (passive) 5.03M +1.9% $952.83M 0.0% ▲ Add 5 SEC ↗
17 BlackRock (passive) 5.03M +1.9% $952.83M 0.0% ▲ Add 5 SEC ↗
18 Fidelity (FMR) 4.13M +69.7% $781.65M 0.0% ▲ Add 5 SEC ↗
19 Fidelity (FMR) 4.13M +69.7% $781.65M 0.0% ▲ Add 5 SEC ↗
20 Fidelity (FMR) 4.13M +69.7% $781.65M 0.0% ▲ Add 5 SEC ↗
21 Fidelity (FMR) 4.13M +69.7% $781.65M 0.0% ▲ Add 5 SEC ↗
22 Fidelity (FMR) 4.13M +69.7% $781.65M 0.0% ▲ Add 5 SEC ↗
23 Vanguard Capital Management Llc 1.39M +0.3% $262.68M 0.0% ▲ Add 2 SEC ↗
24 State Street Global Advisors (passive) 1.23M +3.5% $233.18M 0.0% ▲ Add 7 SEC ↗
25 Victory Capital Management Inc 1.13M -11.3% $214.84M 0.1% ▼ Trim 3 SEC ↗
26 Geode Capital Management (passive) 833.61K +2.8% $157.96M 0.0% ▲ Add 9 SEC ↗
27 Geode Capital Management (passive) 833.61K +2.8% $157.96M 0.0% ▲ Add 9 SEC ↗
28 BNP Paribas Asset Management… 803.15K -20.2% $152.16M 0.2% ▼ Trim 3 SEC ↗
29 BNP Paribas Asset Management… 803.15K -20.2% $152.16M 0.2% ▼ Trim 3 SEC ↗
30 Dimensional Fund Advisors Lp 709.27K -16.0% $134.35M 0.0% ▼ Trim 3 SEC ↗
31 Dimensional Fund Advisors Lp 709.27K -16.0% $134.35M 0.0% ▼ Trim 3 SEC ↗
32 Dimensional Fund Advisors Lp 709.27K -16.0% $134.35M 0.0% ▼ Trim 3 SEC ↗
33 Dimensional Fund Advisors Lp 709.27K -16.0% $134.35M 0.0% ▼ Trim 3 SEC ↗
34 Dimensional Fund Advisors Lp 709.27K -16.0% $134.35M 0.0% ▼ Trim 3 SEC ↗
35 Balyasny Asset Management L.P. 616.20K -54.8% $116.74M 0.2% ▼ Trim 3 SEC ↗
36 PRIMECAP Management 610.45K -7.3% $115.65M 0.1% ▼ Trim 9 SEC ↗
37 Invesco Ltd. 527.72K +219.7% $99.98M 0.0% ▲ Add 3 SEC ↗
38 Invesco Ltd. 527.72K +219.7% $99.98M 0.0% ▲ Add 3 SEC ↗
39 Invesco Ltd. 527.72K +219.7% $99.98M 0.0% ▲ Add 3 SEC ↗
40 Invesco Ltd. 527.72K +219.7% $99.98M 0.0% ▲ Add 3 SEC ↗
41 Invesco Ltd. 527.72K +219.7% $99.98M 0.0% ▲ Add 3 SEC ↗
42 Invesco Ltd. 527.72K +219.7% $99.98M 0.0% ▲ Add 3 SEC ↗
43 Invesco Ltd. 527.72K +219.7% $99.98M 0.0% ▲ Add 3 SEC ↗
44 Invesco Ltd. 527.72K +219.7% $99.98M 0.0% ▲ Add 3 SEC ↗
45 Charles Schwab Investment… 416.23K -6.6% $78.85M 0.0% ▼ Trim 3 SEC ↗
46 T. Rowe Price 394.45K +8.9% $74.73M 0.0% ▲ Add 9 SEC ↗
47 T. Rowe Price 394.45K +8.9% $74.73M 0.0% ▲ Add 9 SEC ↗
48 Manufacturers Life Insurance… 383.76K -22.0% $72.70M 0.1% ▼ Trim 3 SEC ↗
49 Northern Trust Corp 382.03K -8.3% $72.38M 0.0% ▼ Trim 3 SEC ↗
50 Northern Trust Corp 382.03K -8.3% $72.38M 0.0% ▼ Trim 3 SEC ↗
51 Northern Trust Corp 382.03K -8.3% $72.38M 0.0% ▼ Trim 3 SEC ↗
52 Northern Trust Corp 382.03K -8.3% $72.38M 0.0% ▼ Trim 3 SEC ↗
53 Northern Trust Corp 382.03K -8.3% $72.38M 0.0% ▼ Trim 3 SEC ↗
54 Northern Trust Corp 382.03K -8.3% $72.38M 0.0% ▼ Trim 3 SEC ↗
55 American Century Companies Inc 369.88K -61.1% $70.07M 0.0% ▼ Trim 3 SEC ↗
56 Morgan Stanley 366.08K -37.1% $69.35M 0.0% ▼ Trim 4 SEC ↗
57 Morgan Stanley 366.08K -37.1% $69.35M 0.0% ▼ Trim 4 SEC ↗
58 Morgan Stanley 366.08K -37.1% $69.35M 0.0% ▼ Trim 4 SEC ↗
59 Morgan Stanley 366.08K -37.1% $69.35M 0.0% ▼ Trim 4 SEC ↗
60 Morgan Stanley 366.08K -37.1% $69.35M 0.0% ▼ Trim 4 SEC ↗
61 Morgan Stanley 366.08K -37.1% $69.35M 0.0% ▼ Trim 4 SEC ↗
62 Morgan Stanley 366.08K -37.1% $69.35M 0.0% ▼ Trim 4 SEC ↗
63 Morgan Stanley 366.08K -37.1% $69.35M 0.0% ▼ Trim 4 SEC ↗
64 Morgan Stanley 366.08K -37.1% $69.35M 0.0% ▼ Trim 4 SEC ↗
65 UBS Group AG 320.89K -14.9% $60.79M 0.0% ▼ Trim 3 SEC ↗
66 UBS Group AG 320.89K -14.9% $60.79M 0.0% ▼ Trim 3 SEC ↗
67 UBS Group AG 320.89K -14.9% $60.79M 0.0% ▼ Trim 3 SEC ↗
68 Boston Partners 303.93K -10.7% $55.65M 0.0% ▼ Trim 3 SEC ↗
69 Boston Partners 303.93K -10.7% $55.65M 0.0% ▼ Trim 3 SEC ↗
70 Boston Partners 303.93K -10.7% $55.65M 0.0% ▼ Trim 3 SEC ↗
71 Goldman Sachs Group 235.25K -52.7% $44.57M 0.0% ▼ Trim 4 SEC ↗
72 Goldman Sachs Group 235.25K -52.7% $44.57M 0.0% ▼ Trim 4 SEC ↗
73 Goldman Sachs Group 235.25K -52.7% $44.57M 0.0% ▼ Trim 4 SEC ↗
74 Principal Financial Group Inc 218.11K +3.8% $41.32M 0.0% ▲ Add 3 SEC ↗
75 Principal Financial Group Inc 218.11K +3.8% $41.32M 0.0% ▲ Add 3 SEC ↗
76 Allspring Global Investments… 219.36K -15.2% $39.12M 0.1% ▼ Trim 3 SEC ↗
77 Allspring Global Investments… 219.36K -15.2% $39.12M 0.1% ▼ Trim 3 SEC ↗
78 Bank of New York Mellon Corp 204.96K +2.6% $38.83M 0.0% ▲ Add 3 SEC ↗
79 Bank of New York Mellon Corp 204.96K +2.6% $38.83M 0.0% ▲ Add 3 SEC ↗
80 Bank of New York Mellon Corp 204.96K +2.6% $38.83M 0.0% ▲ Add 3 SEC ↗
81 Bank of New York Mellon Corp 204.96K +2.6% $38.83M 0.0% ▲ Add 3 SEC ↗
82 Bank of New York Mellon Corp 204.96K +2.6% $38.83M 0.0% ▲ Add 3 SEC ↗
83 Bank of New York Mellon Corp 204.96K +2.6% $38.83M 0.0% ▲ Add 3 SEC ↗
84 Bank of New York Mellon Corp 204.96K +2.6% $38.83M 0.0% ▲ Add 3 SEC ↗
85 Bank of New York Mellon Corp 204.96K +2.6% $38.83M 0.0% ▲ Add 3 SEC ↗
86 Bank of New York Mellon Corp 204.96K +2.6% $38.83M 0.0% ▲ Add 3 SEC ↗
87 Citigroup Inc 184.12K +647.1% $34.88M 0.0% ▲ Add 3 SEC ↗
88 Citigroup Inc 184.12K +647.1% $34.88M 0.0% ▲ Add 3 SEC ↗
89 Millennium Management 139.24K +1011.1% $26.38M 0.0% ▲ Add 9 SEC ↗
90 Grantham, Mayo, Van Otterloo & Co.… 135.58K -59.5% $25.69M 0.1% ▼ Trim 3 SEC ↗
91 D. E. Shaw & Co. 133.04K -75.6% $25.21M 0.0% ▼ Trim 9 SEC ↗
92 D. E. Shaw & Co. 133.04K -75.6% $25.21M 0.0% ▼ Trim 9 SEC ↗
93 Federated Hermes, Inc. 132.33K -36.7% $25.07M 0.0% ▼ Trim 3 SEC ↗
94 Federated Hermes, Inc. 132.33K -36.7% $25.07M 0.0% ▼ Trim 3 SEC ↗
95 First Trust Advisors Lp 123.28K -10.5% $23.36M 0.0% ▼ Trim 3 SEC ↗
96 Bank Of America Corp /De/ 90.15K -18.8% $17.08M 0.0% ▼ Trim 3 SEC ↗
97 Bank Of America Corp /De/ 90.15K -18.8% $17.08M 0.0% ▼ Trim 3 SEC ↗
98 Bank Of America Corp /De/ 90.15K -18.8% $17.08M 0.0% ▼ Trim 3 SEC ↗
99 Bank Of America Corp /De/ 90.15K -18.8% $17.08M 0.0% ▼ Trim 3 SEC ↗
100 Bnp Paribas Financial Markets 87.70K -39.4% $16.62M 0.0% ▼ Trim 3 SEC ↗

“Their weight” = the position's share of that manager's reported 13F equity value — the conviction measure. ✦ = curated manager.

New buyers

No new tracked buyers this quarter.

Exited

Toronto Dominion Bank $3.17M was 0.0%
Squarepoint Ops LLC $3.10M was 0.0%
Bridgewater Associates $772,657 was 0.0%
IMC-Chicago, LLC $626,987 was 0.0%
Aviva Plc $494,069 was 0.0%

Full-market context: across ALL 13F filers (SEC structured data, Q1 2026): 371 holders, 32.35M shares, $2.91B reported. This is a different, older period than the tracked-universe figures above and the two are never mixed.

Frequently co-owned

What else this security's tracked holders most often hold — shared-ownership counts, not fundamental relationships.

Provenance: Ownership from parsed 13F common-stock positions (tracked universe, comparable sets for changes); insider rows from Forms 3/4/5; stakes from Schedules 13D/13G; every filing links to its original on SEC EDGAR. Reporting period: Q2 2026 · Methodology · Get this via the API