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MARSHALL WACE, LLP

Position in APH — Amphenol Corp /De/

CIK 1318757 LONDON, X0

Position in APH

as of Mar 31, 2026 · filed May 15, 2026
Position Value
$295,319,117
+$228,885,239 QoQ
Shares Held
2,337,310
+375.5% QoQ
Ownership
0.190%
of shares outstanding
% of Portfolio
0.43%
of 13F equity value
Holder Rank
not a current holder
Holding Since
Mar 2020
16 quarters on record
Voting authority Sole 0.ToString("F0")% Shared 100.ToString("F0")% None 0.ToString("F0")%

Common Shares in APH Over Time

Shares Held

Position Value (USD)

Derivatives in APH

reported options exposure · as of Jun 30, 2025
CallValue
$0
CallShares
0
PutValue
$18,515,625
PutShares
187,500

Notional value of option positions as reported on Form 13F. Calls and puts are disclosed separately and do not net against the common-share stake above.

Position in Electronic Components

Technology · as of Mar 31, 2026

MARSHALL WACE, LLP holds $831,461,957 across 24 Electronic Components names. APH ranks #1 (35.5% of the industry book) .

# Ticker Company Shares Value (USD) Open
1 APH
Amphenol Corp /De/
This page
2,337,310 $295,319,117

All Filings in APH

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17 filing rows on record
Report Date Value (USD) Shares
2026-03-31 $295,319,117 2,337,310
2025-12-31 $66,433,878 491,593
2025-09-30 $137,099,036 1,107,871
2025-06-30 $18,515,625 187,500
2025-06-30 $118,500,000 1,200,000
2024-12-31 $23,162,824 333,518
2024-09-30 $8,255,837 126,701
2024-06-30 $11,496,959 170,654
2024-03-31 $12,911,471 223,866
2023-12-31 $640,726 12,927
2022-12-31 $390,179 10,249
2022-09-30 $24,617,106 735,278
2022-06-30 $9,198,677 285,762
2020-12-31 $4,208,701 128,736
2020-09-30 $9,438,626 348,707
2020-06-30 $6,417,186 267,913
2020-03-31 $801 44