account_balance
Investment manager · 13F filer · SEC CIK 1381055
Penbrook Management LLC
Reported value$169Mas of Sep 30, 2026
Positions102 5 new, 4 sold out
Top 10 weight50.4%TRGP alone is 11%
FiledOct 1616 days after quarter end
Portfolio · as of Sep 30, 2026
Where the money is
New or addedTrimmedHeld
TRGPTarga Resources Corp.
10.6%Trimmed −4%
AMZNAmazon.com Inc
7.6%
NVONovo Nordisk A/S
7.0%
MSFTMicrosoft Corp
6.6%
GOOGLAlphabet Inc.
4.7%
GOOGAlphabet Inc.
4.5%
MCOMoody's Corp
3.6%
CYRXCryoport, Inc.
2.1%
ALLTAllot Ltd.
1.9%
SASeabridge Gold Inc
1.9%
PLABPhotronics Inc
1.6%
MGNIMagnite, Inc.
1.6%
TRGPTarga Resources Corp.
10.6%Trimmed −4%
AMZNAmazon.com Inc
7.6%
NVONovo Nordisk A/S
7.0%
MSFTMicrosoft Corp
6.6%
GOOGLAlphabet Inc.
4.7%
GOOGAlphabet Inc.
4.5%
MCOMoody's Corp
3.6%
CYRX2.1%ALLTSAPLABMGNIBoxes 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
TRGP Targa Resources Corp. 10.6% Trimmed −4%AMZN Amazon.com Inc 7.6% HeldNVO Novo Nordisk A/S 7.0% HeldMSFT Microsoft Corp 6.6% HeldGOOGL Alphabet Inc. 4.7% HeldGOOG Alphabet Inc. 4.5% HeldMCO Moody's Corp 3.6% HeldCYRX Cryoport, Inc. 2.1% HeldALLT Allot Ltd. 1.9% Added +37%SA Seabridge Gold Inc 1.9% HeldPLAB Photronics Inc 1.6% HeldMGNI Magnite, Inc. 1.6% Trimmed −6%
What changed
Biggest moves since Jun 30, 2026
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