Vault-13

AMPHENOL CORP APH

CL A · Common Stock · CUSIP 032095101 · ISIN US0320951017

912 institutional holders
564,354,599564.4m shares reported held*
94.8% of all shares outstanding*
$37.8bnreported value*

* Summed across managers. Shares that two managers' reports both contain – a subsidiary's holdings that its parent's report includes too, or a sub-adviser's in its client's – are counted once ($87.9m this quarter). Holder counts are more reliable. Shares outstanding: 595.1m as of 2022-10-25, from the company's own SEC filing; the percentage can still exceed 100%: lent-out shares are counted by the lender and the buyer, and some reports overlap without saying so. Implied quarter-end price ≈ $67.07. Options: 13 managers hold calls ($19.8m notional), 11 hold puts ($25.9m).

Biggest calls

SUSQUEHANNA INTERNATIONAL GROUP, LLP — $5.8m87.2k shares
MILLENNIUM MANAGEMENT LLC — $4.1m60.7k shares
JANE STREET GROUP, LLC — $2.5m36.6k shares
SIMPLEX TRADING, LLC — $2.2m32.9k shares
CITADEL ADVISORS LLC — $1.3m20.0k shares
GROUP ONE TRADING LLC — $1.2m17.2k shares
TUDOR INVESTMENT CORP ET AL — $884.0k13.2k shares
Walleye Trading LLC — $703.0k10.5k shares
WOLVERINE TRADING, LLC — $571.0k8.4k shares
CAPSTONE INVESTMENT ADVISORS, LLC — $408.0k6.1k shares

Biggest puts

Cinctive Capital Management LP — $13.4m200.0k shares
MILLENNIUM MANAGEMENT LLC — $7.7m114.8k shares
CITADEL ADVISORS LLC — $1.5m21.7k shares
Walleye Trading LLC — $1.3m19.3k shares
SUSQUEHANNA INTERNATIONAL GROUP, LLP — $562.0k8.4k shares
SIMPLEX TRADING, LLC — $421.0k6.3k shares
TWO SIGMA SECURITIES, LLC — $321.0k4.8k shares
CAPSTONE INVESTMENT ADVISORS, LLC — $281.0k4.2k shares
PEAK6 Investments LLC — $248.0k3.7k shares
GROUP ONE TRADING LLC — $214.0k3.2k shares

Options at notional value: the value of the shares the contracts control, as filers report them, not what the options cost. Not included in the holders, shares or buying above.

Major shareholders (over 5%)

Anyone who owns more than 5% of a class of the company's shares has to say so: on Schedule 13D if they may try to influence or control the company, on 13G if they're a passive investor, and update it as the stake changes. Each holder's latest filing, from 19 Dec 2024 on; percentages are of the share class, as the holder worked them out.

HolderStakeChangeShares Last filed
VANGUARD CAPITAL MANAGEMENT LLC 13G · institution new · filed 2026-04-29 7.5% new 91.9m≈ $16.2bn 2026-04-29
FMR LLC 13G · institution -1.4 pts · filed 2026-08-06 5.7% -1.4 pts 70.5m≈ $12.4bn 2026-08-06

Fell to 5% or below in the last year: VANGUARD GROUP INC (0.0%, 2026-03-26; now reported by VANGUARD CAPITAL MANAGEMENT LLC)

Insider purchases and sales in Q3 2022

Shares bought or sold by the company's own officers, directors and 10% owners, in the open market or privately, as they reported to the SEC on Form 4 (due within two business days of the trade). Grants, option exercises, shares withheld for tax and gifts aren't included.

Officers and directors buying vs selling

Number of people, by quarter (10% owners not included)

BuyingSelling
404Q4 20: 0 buyingQ4 20: 0 sellingQ1 21: 0 buyingQ1 21: 0 sellingQ1 21Q2 21: 0 buyingQ2 21: 0 sellingQ3 21: 0 buyingQ3 21: 0 sellingQ3 21Q4 21: 0 buyingQ4 21: 3 sellingQ1 22: 0 buyingQ1 22: 0 sellingQ1 22Q2 22: 0 buyingQ2 22: 0 sellingQ3 22: 0 buyingQ3 22: 2 sellingQ3 22
Numbers
QuarterBuyingBoughtSellingSoldSold under a plan
Q4 20200—0——
Q1 20210—0——
Q2 20210—0——
Q3 20210—0——
Q4 20210—3$81.0m—
Q1 20220—0——
Q2 20220—0——
Q3 20220—2$12.5m—
DateInsiderTradeSharesPrice ValueTheir holding
2022-08-04 Gavelle Jean-Luc President, ISS Division Sold 122,000 $77.44 $9.4m122.0k shares -100%
2022-08-02 D'AMICO LANCE E Sr. VP, Secretary & GenCounsel Sold 20,000 $76.87 $1.5m20.0k shares -44%
2022-07-29 D'AMICO LANCE E Sr. VP, Secretary & GenCounsel Sold 20,000 $76.93 $1.5m20.0k shares -44%

Their holding: how much the trade added to or took from the insider's holding (direct, or the trust or fund named). The same trade is sometimes reported by more than one insider, such as a fund and the director who represents it; totals count it once. A value is left blank where the reported price is far from the market price (usually a typo).

Holders, Q3 2022

#ManagerLocationShares Value% of their portfolioChangeShares change
1 VANGUARD GROUP INC 0.14% of their portfolio Valley Forge, PA 70,304,37370.3m $4.7bn $4.7bn 0.14% —
2 FMR LLC 0.37% of their portfolio BOSTON, MA 52,900,53852.9m $3.5bn $3.5bn 0.37% —
3 BlackRock Inc. 0.10% of their portfolio New York, NY 44,719,94244.7m $3.0bn $3.0bn 0.10% —
4 Bank of New York Mellon Corp 0.41% of their portfolio NEW YORK, NY 25,174,38625.2m $1.7bn $1.7bn 0.41% —
5 STATE STREET CORP 0.10% of their portfolio BOSTON, MA 24,391,77424.4m $1.6bn $1.6bn 0.10% —
6 ALLIANCEBERNSTEIN L.P. 0.57% of their portfolio NASHVILLE, TN 17,540,59217.5m $1.2bn $1.2bn 0.57% —
7 PRICE T ROWE ASSOCIATES INC /MD/ 0.16% of their portfolio BALTIMORE, MD 14,581,23614.6m $976.4m $976.4m 0.16% —
8 Alecta Tjanstepension Omsesidigt 5.55% of their portfolio STOCKHOLM, V7 13,563,00013.6m $908.7m $908.7m 5.55% —
9 JPMORGAN CHASE & CO 0.14% of their portfolio NEW YORK, NY 13,354,77013.4m $894.2m $894.2m 0.14% —
10 GEODE CAPITAL MANAGEMENT, LLC 0.12% of their portfolio BOSTON, MA 11,663,15411.7m $780.1m $780.1m 0.12% —
11 FLOSSBACH VON STORCH SE 2.61% of their portfolio COLOGNE, 2M 10,597,40410.6m $709.6m $709.6m 2.61% —
12 MASSACHUSETTS FINANCIAL SERVICES CO /MA/ 0.22% of their portfolio Boston, MA 8,771,6918.8m $587.4m $587.4m 0.22% —
13 Mawer Investment Management Ltd. 3.50% of their portfolio CALGARY, A0 8,621,9898.6m $577.3m $577.3m 3.50% —
14 WCM INVESTMENT MANAGEMENT, LLC 1.92% of their portfolio LAGUNA BEACH, CA 7,864,0687.9m $534.1m $534.1m 1.92% —
15 Amundi 0.33% of their portfolio Paris, I0 7,696,4527.7m $550.2m $550.2m 0.33% —
16 NORGES BANK 0.14% of their portfolio OSLO, Q8 7,644,8497.6m $511.9m $511.9m 0.14% —
17 MORGAN STANLEY 0.07% of their portfolio NEW YORK, NY 7,500,5367.5m $502.2m $502.2m 0.07% —
18 VICTORY CAPITAL MANAGEMENT INC 0.50% of their portfolio San Antonio, TX 6,422,2526.4m $430.0m $430.0m 0.50% —
19 NORTHERN TRUST CORP 0.09% of their portfolio CHICAGO, IL 6,192,2536.2m $414.6m $414.6m 0.09% —
20 LAZARD ASSET MANAGEMENT LLC 0.58% of their portfolio NEW YORK, NY 5,937,3915.9m $397.6m $397.6m 0.58% —
21 Select Equity Group, L.P. 1.58% of their portfolio NEW YORK, NY 5,711,4565.7m $382.4m $382.4m 1.58% —
22 T. Rowe Price Investment Management, Inc. 0.30% of their portfolio BALTIMORE, MD 5,515,5365.5m $369.3m $369.3m 0.30% —
23 Capital International Investors 0.11% of their portfolio Los Angeles, CA 5,451,8685.5m $365.1m $365.1m 0.11% —
24 MACKENZIE FINANCIAL CORP 0.60% of their portfolio TORONTO ONTARIO, A6 5,206,8975.2m $348.7m $348.7m 0.60% —
25 NEUBERGER BERMAN GROUP LLC 0.31% of their portfolio NEW YORK, NY 4,464,6324.5m $299.6m $299.6m 0.31% —
26 California Public Employees Retirement System 0.26% of their portfolio Sacramento, CA 4,214,2784.2m $282.2m $282.2m 0.26% —
27 Legal & General Group Plc 0.11% of their portfolio London, X0 4,133,1024.1m $276.8m $276.8m 0.11% —
28 ROYAL BANK OF CANADA 0.08% of their portfolio TORONTO, A6 3,605,9043.6m $241.5m $241.5m 0.08% —
29 FRANKLIN RESOURCES INC 0.13% of their portfolio San Mateo, CA 3,581,1403.6m $239.8m $239.8m 0.13% —
30 Mitsubishi UFJ Asset Management Co., Ltd. 0.71% of their portfolio TOKYO, M0 3,281,2153.3m $219.7m $219.7m 0.71% —
31 BANK OF AMERICA CORP /DE/ 0.03% of their portfolio CHARLOTTE, NC 3,112,8653.1m $208.4m $208.4m 0.03% —
32 Invesco Ltd. 0.06% of their portfolio ATLANTA, GA 2,998,2753.0m $200.8m $200.8m 0.06% —
33 FIRST TRUST ADVISORS LP 0.26% of their portfolio Wheaton, IL 2,990,0283.0m $200.2m $200.2m 0.26% —
34 BESSEMER GROUP INC 0.52% of their portfolio WOODBRIDGE, NJ 2,962,2023.0m $198.3m $198.3m 0.52% —
35 CHARLES SCHWAB INVESTMENT MANAGEMENT INC 0.07% of their portfolio SAN FRANCISCO, CA 2,958,7833.0m $198.1m $198.1m 0.07% —
36 JENSEN INVESTMENT MANAGEMENT INC 1.69% of their portfolio Lake Oswego, OR 2,891,7982.9m $193.6m $193.6m 1.69% —
37 UBS AM, a distinct business unit of UBS ASSET MANAGEMENT AMERICAS LLC 0.11% of their portfolio NEW YORK, NY 2,860,8912.9m $191.6m $191.6m 0.11% —
38 ATLANTA CAPITAL MANAGEMENT CO L L C 0.85% of their portfolio ATLANTA, GA 2,854,9882.9m $191.2m $191.2m 0.85% —
39 Capital Research Global Investors 0.06% of their portfolio Los Angeles, CA 2,813,2032.8m $188.4m $188.4m 0.06% —
40 MACQUARIE GROUP LTD 0.23% of their portfolio Sydney, NSW 2000, C3 2,786,7292.8m $186.6m $186.6m 0.23% —
41 GOLDMAN SACHS GROUP INC 0.05% of their portfolio NEW YORK, NY 2,629,9622.6m $176.1m $176.1m 0.05% —
42 Swiss National Bank 0.12% of their portfolio ZURICH, V8 2,587,8232.6m $173.3m $173.3m 0.12% —
43 DIMENSIONAL FUND ADVISORS LP 0.05% of their portfolio AUSTIN, TX 2,034,3932.0m $136.2m $136.2m 0.05% —
44 ENVESTNET ASSET MANAGEMENT INC 0.07% of their portfolio Berwyn, PA 1,941,4811.9m $130.0m $130.0m 0.07% —
45 WELLS FARGO & COMPANY/MN 0.04% of their portfolio SAN FRANCISCO, CA 1,895,7031.9m $126.9m $126.9m 0.04% —
46 Rathbones Group PLC 1.49% of their portfolio Liverpool, X0 1,809,5421.8m $121.2m $121.2m 1.49% —
47 Sumitomo Mitsui Trust Group, Inc. 0.10% of their portfolio CHIYODA-KU, TOKYO, M0 1,728,8281.7m $115.8m $115.8m 0.10% —
48 KAYNE ANDERSON RUDNICK INVESTMENT MANAGEMENT LLC 0.37% of their portfolio LOS ANGELES, CA 1,659,0151.7m $111.1m $111.1m 0.37% —
49 Navera Investment Management Ltd. 3.73% of their portfolio LONDON, X0 1,642,9821.6m $110.1m $110.1m 3.73% —
50 LONDON CO OF VIRGINIA 0.68% of their portfolio RICHMOND, VA 1,614,5791.6m $108.1m $108.1m 0.68% —
51 Allianz Asset Management GmbH 0.24% of their portfolio MUNICH, 2M 1,577,5941.6m $105.6m $105.6m 0.24% —
52 Nuveen Asset Management, LLC 0.04% of their portfolio CHICAGO, IL 1,549,2171.5m $103.7m $103.7m 0.04% —
53 GLENMEDE TRUST CO NA 0.64% of their portfolio PHILADELPHIA, PA 1,527,2251.5m $102.3m $102.3m 0.64% —
54 CREDIT SUISSE AG/ 0.11% of their portfolio ZURICH, V8 1,522,5931.5m $102.0m $102.0m 0.11% —
55 BLAIR WILLIAM & CO/IL 0.47% of their portfolio CHICAGO, IL 1,516,7921.5m $101.6m $101.6m 0.47% —
56 DEUTSCHE BANK AG\ 0.06% of their portfolio FRANKFURT AM MAIN, 2M 1,468,1421.5m $98.3m $98.3m 0.06% —
57 NUANCE INVESTMENTS, LLC 2.03% of their portfolio Kansas City, MO 1,360,9691.4m $91.1m $91.1m 2.03% —
58 CIBC Private Wealth Group LLC 0.24% of their portfolio ATLANTA, GA 1,326,0551.3m $88.8m $88.8m 0.24% —
59 CITADEL ADVISORS LLC 0.10% of their portfolio MIAMI, FL 1,252,3671.3m $83.9m $83.9m 0.10% —
60 RHUMBLINE ADVISERS 0.12% of their portfolio BOSTON, MA 1,224,8141.2m $82.0m $82.0m 0.12% —
61 PENSIOENFONDS RAIL & OV 2.44% of their portfolio UTRECHT, P7 1,220,4851.2m $82.0m $82.0m 2.44% —
62 Allspring Global Investments Holdings, LLC 0.14% of their portfolio CHARLOTTE, NC 1,175,4711.2m $78.7m $78.7m 0.14% —
63 AMERIPRISE FINANCIAL INC 0.03% of their portfolio MINNEAPOLIS, MN 1,127,8461.1m $75.5m $75.5m 0.03% —
64 Ardevora Asset Management LLP 1.30% of their portfolio LONDON, X0 1,079,3961.1m $72.3m $72.3m 1.30% —
65 BANK OF MONTREAL /CAN/ 0.03% of their portfolio TORONTO, A6 1,054,3951.1m $71.7m $71.7m 0.03% —
66 TimesSquare Capital Management, LLC 0.97% of their portfolio NEW YORK, NY 1,040,0001.0m $69.6m $69.6m 0.97% —
67 AXA S.A. 0.14% of their portfolio PARIS, I0 1,039,5621.0m $69.6m $69.6m 0.14% —
68 National Pension Service 0.15% of their portfolio JEONJU-SI, JEOLLABUK-DO, M5 1,038,7071.0m $70.5m $70.5m 0.15% —
69 PUBLIC EMPLOYEES RETIREMENT ASSOCIATION OF COLORADO 0.40% of their portfolio DENVER, CO 1,033,8381.0m $69.2m $69.2m 0.40% —
70 NEW YORK STATE COMMON RETIREMENT FUND 0.10% of their portfolio ALBANY, NY 1,024,7521.0m $68.6m $68.6m 0.10% —
71 BAMCO INC /NY/ 0.22% of their portfolio NEW YORK, NY 1,022,9851.0m $68.5m $68.5m 0.22% —
72 Zurich Insurance Group Ltd/FI 1.07% of their portfolio ZURICH, V8 1,019,4211.0m $68.3m $68.3m 1.07% —
73 JOHNSON INVESTMENT COUNSEL INC 0.98% of their portfolio Cincinnati, OH 989,143989.1k $66.2m $66.2m 0.98% —
74 WELLINGTON MANAGEMENT GROUP LLP 0.01% of their portfolio Boston, MA 984,322984.3k $65.9m $65.9m 0.01% —
75 DNB Asset Management AS 0.51% of their portfolio Oslo, Q8 981,729981.7k $65.7m $65.7m 0.51% —
76 CALIFORNIA STATE TEACHERS RETIREMENT SYSTEM 0.11% of their portfolio WEST SACRAMENTO, CA 980,478980.5k $65.7m $65.7m 0.11% —
77 SNYDER CAPITAL MANAGEMENT L P 1.67% of their portfolio San Francisco, CA 975,333975.3k $65.3m $65.3m 1.67% —
78 KEYBANK NATIONAL ASSOCIATION/OH 0.34% of their portfolio BROOKLYN, OH 974,714974.7k $65.3m $65.3m 0.34% —
79 TD Asset Management Inc 0.08% of their portfolio Toronto, A6 947,190947.2k $64.3m $64.3m 0.08% —
80 Fenimore Asset Management Inc 1.79% of their portfolio Cobleskill, NY 932,487932.5k $62.4m $62.4m 1.79% —
81 MILLENNIUM MANAGEMENT LLC 0.08% of their portfolio NEW YORK, NY 921,742921.7k $61.7m $61.7m 0.08% —
82 VONTOBEL ASSET MANAGEMENT INC 0.51% of their portfolio NEW YORK, NY 907,308907.3k $65.0m $65.0m 0.51% —
83 James Hambro & Partners LLP 5.08% of their portfolio LONDON, X0 869,166869.2k $58.2m $58.2m 5.08% —
84 RENAISSANCE TECHNOLOGIES LLC 0.08% of their portfolio NEW YORK, NY 864,500864.5k $57.9m $57.9m 0.08% —
85 MOUNTAIN PACIFIC INVESTMENT ADVISERS LLC 4.38% of their portfolio BOISE, ID 836,418836.4k $56.0m $56.0m 4.38% —
86 DAVIS R M INC 1.62% of their portfolio PORTLAND, ME 836,273836.3k $56.0m $56.0m 1.62% —
87 Norinchukin Bank, The 1.13% of their portfolio TOKYO, M0 831,871831.9k $55.7m $55.7m 1.13% —
88 PRINCIPAL FINANCIAL GROUP INC 0.04% of their portfolio DES MOINES, IA 820,646820.6k $55.0m $55.0m 0.04% —
89 VOLORIDGE INVESTMENT MANAGEMENT, LLC 0.29% of their portfolio JUPITER, FL 798,566798.6k $53.5m $53.5m 0.29% —
90 MAR VISTA INVESTMENT PARTNERS LLC 2.32% of their portfolio LOS ANGELES, CA 774,144774.1k $51.8m $51.8m 2.32% —
91 KBC Group NV 0.26% of their portfolio Brussels, C9 761,277761.3k $51.0m $51.0m 0.26% —
92 Madison Asset Management, LLC 0.86% of their portfolio MADISON, WI 759,564759.6k $50.9m $50.9m 0.86% —
93 STATE OF WISCONSIN INVESTMENT BOARD 0.16% of their portfolio MADISON, WI 739,834739.8k $49.5m $49.5m 0.16% —
94 WEDGE CAPITAL MANAGEMENT L L P/NC 0.84% of their portfolio CHARLOTTE, NC 737,234737.2k $49.4m $49.4m 0.84% —
95 MARSHALL WACE, LLP 0.12% of their portfolio LONDON, X0 735,278735.3k $49.2m $49.2m 0.12% —
96 STATE BOARD OF ADMINISTRATION OF FLORIDA RETIREMENT SYSTEM 0.12% of their portfolio TALLAHASSEE, FL 710,215710.2k $47.6m $47.6m 0.12% —
97 Port Capital LLC 3.86% of their portfolio CHICAGO, IL 710,205710.2k $47.6m $47.6m 3.86% —
98 COMPASS CAPITAL MANAGEMENT, INC 4.17% of their portfolio MINNEAPOLIS, MN 708,908708.9k $47.5m $47.5m 4.17% —
99 PNC Financial Services Group, Inc. 0.05% of their portfolio Pittsburgh, PA 702,615702.6k $47.0m $47.0m 0.05% —
100 CITIGROUP INC 0.06% of their portfolio NEW YORK, NY 665,906665.9k $44.6m $44.6m 0.06% —