account_balance
Investment manager · 13F filer · SEC CIK 1856103
Pinnbrook Capital Management LP
Reported value$583Mas of Sep 30, 2026
Positions90 52 new, 50 sold out
Top 10 weight30.4%WAT alone is 5%
FiledNov 1344 days after quarter end
Portfolio · as of Sep 30, 2026
Where the money is
New or addedTrimmedHeld
WATWaters Corp
4.9%Added +1115%
MSFTMicrosoft Corp
3.6%New
APHAmphenol Corp
3.6%New
TRGPTarga Resources Corp.
3.3%New
FTITechnipFMC PLC
3.1%Added +107%
WABWestinghouse Air Brake Technologies Corp
2.8%Trimmed −19%
ARMKAramark
2.7%Added +15%
RALRalliant Corp
2.3%New
MSGEMadison Square Garden Entertainment Corp.
2.2%Added +734%
GHGuardant Health, Inc.
1.9%New
AMDAdvanced Micro Devices Inc
1.9%New
IEXIdex Corp
1.9%
WATWaters Corp
4.9%+1115%
MSFTMicrosoft Corp
3.6%
APHAmphenol Corp
3.6%
TRGPTarga Resources Corp.
3.3%
FTITechnipFMC PLC
3.1%
WABWestinghouse Air Brake Technologies Corp
2.8%−19%
ARMKAramark
2.7%+15%
RALRalliant Corp
2.3%
MSGEMadison Square Garden Entertainment Corp.
2.2%
GH1.9%AMD1.9%IEX1.9%Boxes show the top 12 stocks, sized against each other. The bar above shows how much of the fund they are. 13F only covers US-listed stocks, so foreign holdings and short positions are missing.
Show the top 12 as a list
WAT Waters Corp 4.9% Added +1115%MSFT Microsoft Corp 3.6% NewAPH Amphenol Corp 3.6% NewTRGP Targa Resources Corp. 3.3% NewFTI TechnipFMC PLC 3.1% Added +107%WAB Westinghouse Air Brake Technologies Corp 2.8% Trimmed −19%ARMK Aramark 2.7% Added +15%RAL Ralliant Corp 2.3% NewMSGE Madison Square Garden Entertainment Corp. 2.2% Added +734%GH Guardant Health, Inc. 1.9% NewAMD Advanced Micro Devices Inc 1.9% NewIEX Idex Corp 1.9% Added +406%
What changed
Biggest moves since Jun 30, 2026
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