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SC Filed 2018-01-04 Event — SEC 0001104659-18-000738 →

PRIMECAP MANAGEMENT CO/CA/ → AXCELIS TECHNOLOGIES INC ACLS

Stake: — Shares: —
Composite Decision Signal · PASS (LOW BASE-RATE EDGE) Conviction Score: 15/100
  • Passive Schedule 13G filer baseline
  • Held by 1 tracked 13F institutional manager
  • Moderate short days-to-cover (4.7 DTC)

Item 4 — Purpose of Transaction

Not extracted from this filing — typically because it's an amendment (13D/A) and Item 4 is unchanged from the parent filing. Read the raw SEC filing →

Cross-References

Insider Activity (last 365d)
0 transactions
0 buys · 0 sales · 0 awards/exercises
Issuer Cluster
1 13D/G filings on this issuer
0 other filings besides this one
Filer Track Record
5 filings by this filer
4 other filings in the data moat
Short Interest · settle 2026-10-15
DTC 4.73
1,449,872 shares short · +0.7% vs prior

Institutional Consensus · 2025-12-31

Held by elite portfolio managers
1 holder · $217K
Point72 Asset Mgmt

Other Filings by PRIMECAP MANAGEMENT CO/CA/

FiledFormIssuerStakeShares
2026-08-06 SCHEDULE 13G Amentum Holdings, Inc. — — view →
2018-01-05 SC Flex Pharma, Inc. DCOY — — view →
2018-01-04 SC Alkermes plc. ALKS — — view →
2018-01-04 SC Flex Pharma, Inc. DCOY — — view →

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