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Amphenol

2,113 hedge funds and large institutions have $145B invested in Amphenol in 2026 Q1 according to their latest regulatory filings, with 252 funds opening new positions, 862 increasing their positions, 808 reducing their positions, and 146 closing their positions.

New
Increased
Maintained
Reduced
Closed

more first-time investments, than exits

New positions opened: | Existing positions closed:

more funds holding

Funds holding:

more repeat investments, than reductions

Existing positions increased: | Existing positions reduced:

less ownership

Funds ownership:

14% less funds holding in top 10

Funds holding in top 10: 9985 (-14)

38% less capital invested

Capital invested by funds: $233B → $145B (-$88B)

45% less call options, than puts

Call options by funds: $604M | Put options by funds: $1.1B

Holders
2,113
Holders Change
Holders Change %
% of All Funds
Holding in Top 10
85
Holding in Top 10 Change
Holding in Top 10 Change %
% of All Funds
New
Increased
Reduced
Closed
Calls
$604M
Puts
$1.1B
Net Calls
Net Calls Change

Top Buyers

1 +$2.1B
2 +$1.64B
3 +$1.43B
4
N
Nuveen
North Carolina
+$749M
5
SG Americas Securities
SG Americas Securities
New York
+$437M

Top Sellers

1 -$10.7B
2 -$1.65B
3 -$1.34B
4
Fidelity Investments
Fidelity Investments
Massachusetts
-$977M
5
BlackRock
BlackRock
New York
-$587M
Name Holding Trade Value Shares
Change
Change in
Stake
MSR
276
Main Street Research
Connecticut
$38M
GCM
277
Geneva Capital Management
Wisconsin
$37.7M
Calamos Advisors
278
Calamos Advisors
Illinois
$37.6M
BAMF
279
BI Asset Management Fondsmaeglerselskab
Denmark
$37.4M
Focus Partners Wealth
280
Focus Partners Wealth
Massachusetts
$37.3M
MR
281
Munich Reinsurance
$37M
FT
282
Fiduciary Trust
Massachusetts
$37M
Rafferty Asset Management
283
Rafferty Asset Management
New York
$36.9M
Two Sigma Investments
284
Two Sigma Investments
New York
$36.7M
MVIP
285
Mar Vista Investment Partners
California
$36.7M
Susquehanna International Group
286
Susquehanna International Group
Pennsylvania
$36.5M
Capital Fund Management (CFM)
287
Capital Fund Management (CFM)
France
$36.4M
OSAM
288
O'Shaughnessy Asset Management
Connecticut
$36.2M
COPPSERS
289
Commonwealth of Pennsylvania Public School Employees Retirement System
Pennsylvania
$36.2M
Mirae Asset Global Investments
290
Mirae Asset Global Investments
South Korea
$36M
IG
291
ING Group
Netherlands
$36M
TI
292
Tidal Investments
Wisconsin
$35.6M
ProShare Advisors
293
ProShare Advisors
Maryland
$35.6M
TCM
294
TimesSquare Capital Management
New York
$35.4M
CIBC World Market
295
CIBC World Market
Ontario, Canada
$35.4M
HF
296
HRT Financial
New York
$35.2M
ClearBridge Investments
297
ClearBridge Investments
New York
$35.1M
DP
298
Dearborn Partners
Illinois
$35M
LIP
299
Liontrust Investment Partners
United Kingdom
$35M
Bank of Nova Scotia
300
Bank of Nova Scotia
Ontario, Canada
$34.7M