Form 13-F position report

AMPHENOL CORP (NEW) CL-A

Reported by Bayesian Capital Management LP

APH CUSIP 032095101 Manager CIK 0001632551

First reported at 57,630 shares this quarter.

New
% of reported 13F value 0.9% This manager · Q2 2025
Shares 57,630 Quarter-end amount reported
Reported value $5,690,962 Fair value at quarter end
Consecutive quarters held 3 Through Q2 2025

Reported position value by quarter

Reported position value by quarter

Each bar is a Form 13-F quarter-end snapshot. It does not show trades made within the quarter.

Reported position value by quarter
Date Holding Value
2022-03-31 440000
2022-06-30 0
2022-09-30 422000
2022-12-31 286134
2023-03-31 0
2023-12-31 702237
2024-03-31 0
2024-12-31 3028020
2025-03-31 0
2025-06-30 5690962
2025-09-30 0
2026-03-31 1213086
2026-06-30 0

Quarterly position history

How this manager's reported quarter-end position changed over time.

13 quarters
Quarterly reported position history for AMPHENOL CORP (NEW) CL-A held by Bayesian Capital Management LP.
Quarter Activity Shares Change % of reported 13F Reported value Filed Source filing
Q2 2026 Reduced 0 -9,601 (-100.0%) 0 $0 2026-08-14
Q1 2026 New 9,601 +9,601 (0.0%) 1.48% $1,213,086 2026-05-15
Q3 2025 Reduced 0 -57,630 (-100.0%) 0 $0 2025-11-14
Q2 2025 New 57,630 +57,630 (0.0%) 0.9% $5,690,962 2025-08-14
Q1 2025 Reduced 0 -43,600 (-100.0%) 0 $0 2025-05-15
Q4 2024 New 43,600 +43,600 (0.0%) 0.37% $3,028,020 2025-02-14
Q1 2024 Reduced 0 -7,084 (-100.0%) 0 $0 2024-05-15
Q4 2023 New 7,084 +7,084 (0.0%) 0.07% $702,237 2024-02-14
Q1 2023 Reduced 0 -3,758 (-100.0%) 0 $0 2023-05-15
Q4 2022 Reduced 3,758 -2,542 (-40.3%) 0.04% $286,134 2023-02-14
Q3 2022 New 6,300 +6,300 (0.0%) 0.09% $422,000 2022-11-14
Q2 2022 Reduced 0 -5,842 (-100.0%) 0 $0 2022-08-15
Q1 2022 New 5,842 +5,842 (0.0%) 0.07% $440,000 2022-05-16
Five years are shown. A free account unlocks the complete reported history. Unlock full history

Who else reported the position

1742 managers reported AMPHENOL CORP (NEW) CL-A for Q2 2025.

Managers reporting AMPHENOL CORP (NEW) CL-A in Q2 2025.
Manager Activity Shares Change % of reported 13F Reported value Tenure
VANGUARD GROUP INC Reduced 140,532,872 -14,465,908 0.22% $13,877,621,110 49 qtrs
FMR LLC Added 108,663,675 +3,723,306 0.61% $10,730,537,914 49 qtrs
BlackRock Inc Reduced 94,558,170 -7,317,055 0.18% $9,337,619,293 4 qtrs
STATE STREET CORPORATION Added 55,348,275 +35,729 0.21% $5,474,523,840 39 qtrs
PRICE T ROWE ASSOCIATES INC MD Reduced 41,673,012 -435,413 0.47% $4,115,211,000 49 qtrs
GEODE CAPITAL MANAGEMENT LLC Added 28,513,760 +2,217,079 0.2% $2,804,337,547 49 qtrs
THE BANK OF NEW YORK MELLON CORPORATION Reduced 28,278,661 -2,887,895 0.53% $2,792,517,820 49 qtrs
Bank of America Corporation Reduced 22,884,098 -2,557,882 0.17% $2,259,804,710 49 qtrs
T Rowe Price Investment Management Inc Added 21,723,306 +4,980,067 1.35% $2,145,177,000 12 qtrs
NORGES BANK Added 21,308,798 +1,397,099 0.26% $2,104,243,803 49 qtrs
Premium adds each manager's conviction percentile across reporting peers.
Filing details and methodology As reported
Report period
June 30, 2025
Filed
August 14, 2025
Filing type
13F-HR
Position type
CL A

Voting authority reported

Sole
57,630
Shared
0
None
0

“None” means the manager reported no voting authority for those shares on non-routine matters. It does not disclose why and is not evidence of securities lending.

Form 13-F is a delayed quarter-end snapshot of disclosed long Section 13(f) securities. It can be filed up to 45 days after quarter end, excludes short positions and most non-U.S. securities, and does not reveal intra-quarter trading. For options, reported shares and value describe the underlying-share exposure; strike, expiry, premium, and written positions are not disclosed.