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ADAGE CAPITAL PARTNERS GP, L.L.C.

Position in APH — Amphenol Corp /De/

CIK 1165408 Boston, MA

Position in APH

as of Mar 31, 2026 · filed May 15, 2026
Position Value
$225,520,598
+$77,863,932 QoQ
Shares Held
1,784,888
+63.4% QoQ
Ownership
0.145%
of shares outstanding
% of Portfolio
0.36%
of 13F equity value
Holder Rank
not a current holder
Holding Since
Mar 2020
25 quarters on record
Voting authority Sole 100.ToString("F0")% Shared 0.ToString("F0")% None 0.ToString("F0")%

Common Shares in APH Over Time

Shares Held

Position Value (USD)

Position in Electronic Components

Technology · as of Mar 31, 2026

ADAGE CAPITAL PARTNERS GP, L.L.C. holds $462,779,848 across 6 Electronic Components names. APH ranks #1 (48.7% of the industry book) .

# Ticker Company Shares Value (USD) Open
1 APH
Amphenol Corp /De/
This page
1,784,888 $225,520,598

All Filings in APH

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25 filing rows on record
Report Date Value (USD) Shares
2026-03-31 $225,520,598 1,784,888
2025-12-31 $147,656,666 1,092,620
2025-09-30 $134,605,350 1,087,720
2025-06-30 $108,666,475 1,100,420
2025-03-31 $90,043,263 1,372,820
2024-12-31 $88,126,494 1,268,920
2024-09-30 $92,704,435 1,422,720
2024-06-30 $66,172,161 982,220
2024-03-31 $33,936,546 588,410
2023-12-31 $28,400,794 573,001
2023-09-30 $15,315,618 364,701
2023-06-30 $21,084,632 496,401
2023-03-31 $6,100,888 149,312
2022-12-31 $13,808,521 362,714
2022-09-30 $12,334,500 368,414
2022-06-30 $2,279,084 70,801
2022-03-31 $19,564,665 519,301
2021-12-31 $21,913,146 501,101
2021-09-30 $18,858,555 515,050
2021-06-30 $19,995,935 584,591
2021-03-31 $19,797,300 600,191
2020-12-31 $10,138,532 310,118
2020-09-30 $18,137,498 670,084
2020-06-30 $22,948,507 958,084
2020-03-31 $3,981,489 218,523