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Livermore
Livermore
ZHEN

Penbrook Management LLC

SEC CIK
0001381055
Latest filing
Jul 23, 2026

Holdings in Q1 2025

Holdings as of Mar 31, 2025, filed Apr 1, 2025. Long positions only; changes compare share counts with Q4 2024.

Institution overview
Positions
107
−3 vs. Q4 2024
Portfolio value
$132.3M
−$14.3M (−9.8%) vs. Q4 2024
Filed
Apr 1, 2025
SEC
Holdings of Penbrook Management LLC in Q1 2025
SecurityClassSharesValue% of portfolioShare changeActionHistory
NVONovo Nordisk A SADR311,400$21.6M16.3%−1,000−0.3%ReducedHistory
AMZNAmazon Com IncStock52,240$9.94M7.5%−100−0.2%ReducedHistory
MSFTMicrosoft CorpStock26,007$9.76M7.4%−796−3.0%ReducedHistory
MCOMoodys CorpStock13,650$6.36M4.8%00.0%UnchangedHistory
TRIThomson Reuters CorpCOM NO PAR24,848$4.29M3.2%−156−0.6%ReducedHistory
GOOGAlphabet Inc.Stock24,720$3.86M2.9%−100−0.4%ReducedHistory
GOOGLAlphabet Inc.Stock23,170$3.58M2.7%00.0%UnchangedHistory
Veren Inc92340V107COM NEW441,125$2.92M2.2%+1250.0%Added–
TRGPTarga Resources Corp.COM12,451$2.50M1.9%−1,260−9.2%ReducedHistory
BXBlackstone Inc.COM15,500$2.17M1.6%−100−0.6%ReducedHistory
ADPAutomatic Data Processing IncStock6,300$1.92M1.5%00.0%UnchangedHistory
PLABPhotronics IncCOM92,045$1.91M1.4%−1,000−1.1%ReducedHistory
BRK.BBerkshire Hathaway IncStock3,580$1.91M1.4%00.0%UnchangedHistory
COOPMaverick Merger Sub 2, LLCCOM15,825$1.89M1.4%+100+0.6%AddedHistory
NNYNuveen New York Municipal Value FundCOM213,727$1.77M1.3%00.0%UnchangedHistory
FNFFidelity National Financial, Inc.COM SHS27,059$1.76M1.3%−500−1.8%ReducedHistory
SONYSony Group CorpSPONSORED ADR68,500$1.74M1.3%00.0%UnchangedHistory
VZVerizon Communications IncStock34,871$1.58M1.2%+6,950+24.9%AddedHistory
ETEnergy Transfer LPCOM UT LTD PTN83,465$1.55M1.2%−350.0%ReducedHistory
VMDViemed Healthcare, Inc.COM206,577$1.50M1.1%−7,280−3.4%ReducedHistory
VETVermilion Energy Inc.COM182,400$1.48M1.1%−1,000−0.5%ReducedHistory
PLPlanet Labs PBCCOM CL A382,355$1.29M1.0%−44,900−10.5%ReducedHistory
BPOPPopular, Inc.COM NEW13,450$1.24M0.9%−350−2.5%ReducedHistory
SPYSPDR S&P 500 ETF TrustETF2,165$1.21M0.9%−150−6.5%ReducedHistory
WMBWilliams Companies, Inc.COM19,730$1.18M0.9%−200−1.0%ReducedHistory
OKEONEOK IncCOM11,835$1.17M0.9%−200−1.7%ReducedHistory
SASeabridge Gold IncCOM99,195$1.16M0.9%−450−0.5%ReducedHistory
CSCOCisco Systems, Inc.Stock18,350$1.13M0.9%00.0%UnchangedHistory
ABBVAbbVie Inc.Stock5,273$1.10M0.8%00.0%UnchangedHistory
MESOMesoblast LtdADR87,675$1.09M0.8%−3,400−3.7%ReducedHistory
ALKTAlkami Technology, Inc.Stock41,410$1.09M0.8%−3,025−6.8%ReducedHistory
USACUSA Compression Partners, LPCOMUNIT LTDPAR39,476$1.07M0.8%−2,200−5.3%ReducedHistory
ABNBAirbnb, Inc.Stock8,850$1.06M0.8%00.0%UnchangedHistory
SYFSynchrony FinancialCOM19,800$1.05M0.8%−1,200−5.7%ReducedHistory
FBPFirst BancorpCOM NEW54,600$1.05M0.8%−1,000−1.8%ReducedHistory
ASURAsure Software IncCOM102,985$983.5K0.7%−11,050−9.7%ReducedHistory
METAMeta Platforms, Inc.Stock1,700$979.8K0.7%00.0%UnchangedHistory
ACLSAxcelis Technologies IncStock19,640$975.5K0.7%+75+0.4%AddedHistory
HESMHess Midstream LPCL A SHS23,030$973.9K0.7%−3,600−13.5%ReducedHistory
Invesco QQQ Trust Series I46090E103ETF2,045$958.9K0.7%−150−6.8%Reduced–
AAPLApple Inc.Stock4,054$900.5K0.7%−50−1.2%ReducedHistory
COHUCohu IncCOM50,300$739.9K0.6%−3,800−7.0%ReducedHistory
SHELShell plcADR9,900$725.5K0.5%00.0%UnchangedHistory
NVGSNavigator Holdings Ltd.SHS52,300$696.1K0.5%−32,200−38.1%ReducedHistory
BLFSBiolife Solutions IncCOM NEW30,425$694.9K0.5%−225−0.7%ReducedHistory
DAIOData I/O CorpCOM269,450$660.2K0.5%−2,000−0.7%ReducedHistory
NVSNovartis AGADR5,760$642.1K0.5%00.0%UnchangedHistory
KLICKulicke & Soffa Industries IncCOM19,055$628.4K0.5%+70+0.4%AddedHistory
IBMInternational Business Machines CorpStock2,525$627.9K0.5%00.0%UnchangedHistory
EMREmerson Electric CoStock5,400$592.1K0.4%00.0%UnchangedHistory
RRCRange Resources CorpCOM14,340$572.6K0.4%−300−2.0%ReducedHistory
REGNRegeneron Pharmaceuticals, Inc.COM897$568.9K0.4%00.0%UnchangedHistory
NVDANVIDIA CorpStock5,223$566.1K0.4%+5,223NewHistory
PARPar Technology CorpCOM8,980$550.8K0.4%+750+9.1%AddedHistory
NUNu Holdings Ltd.ORD SHS CL A51,190$524.2K0.4%+1,500+3.0%AddedHistory
GBDCGolub Capital BDC, Inc.COM33,880$512.9K0.4%+5,250+18.3%AddedHistory
PIMFranklin Master Intermediate Income TrustSH BEN INT148,163$491.9K0.4%−600−0.4%ReducedHistory
MPMP Materials Corp.COM CL A19,765$482.5K0.4%−225−1.1%ReducedHistory
HTGCHercules Capital, Inc.COM24,982$479.9K0.4%+380+1.5%AddedHistory
BBSIBarrett Business Services IncCOM11,600$477.3K0.4%−400−3.3%ReducedHistory
WESWestern Midstream Partners, LPCOM UNIT LP INT11,600$475.1K0.4%+5,200+81.3%AddedHistory
NPKINPK International Inc.COM SHS81,410$473.0K0.4%−575−0.7%ReducedHistory
POWIPower Integrations IncCOM9,200$464.6K0.4%00.0%UnchangedHistory
SGOLabrdn Gold ETF TrustETF15,340$457.4K0.3%+15,340NewHistory
DMLPDorchester Minerals, L.P.COM UNIT14,550$437.7K0.3%+2,100+16.9%AddedHistory
MGNIMagnite, Inc.COM38,170$435.5K0.3%−310−0.8%ReducedHistory
CURICuriosityStream Inc.COM CL A160,350$429.7K0.3%−1,400−0.9%ReducedHistory
ELVAElectrovaya Inc.COM NEW182,215$424.2K0.3%−1,000−0.5%ReducedHistory
iShares Tr464287556ISHARES BIOTECH3,240$414.4K0.3%−120−3.6%Reduced–
EPDEnterprise Products Partners L.P.Stock11,990$409.3K0.3%+500+4.4%AddedHistory
TAT&T Inc.Stock14,455$408.8K0.3%00.0%UnchangedHistory
CVECenovus Energy Inc.COM28,800$400.6K0.3%00.0%UnchangedHistory
Invesco Exchange Traded FD T46137V357S&P500 EQL WGT2,170$375.9K0.3%00.0%Unchanged–
BLDRBuilders FirstSource, Inc.Stock2,741$342.5K0.3%−132−4.6%ReducedHistory
ORIOld Republic International CorpCOM8,480$332.6K0.3%+400+5.0%AddedHistory
PUBMPubMatic, Inc.COM CL A35,445$324.0K0.2%+400+1.1%AddedHistory
FISFidelity National Information Services, Inc.Stock4,324$322.9K0.2%+200+4.8%AddedHistory
CYRXCryoport, Inc.COM PAR $0.00152,170$317.2K0.2%−400−0.8%ReducedHistory
AFLAflac IncStock2,850$316.9K0.2%00.0%UnchangedHistory
UTGReaves Utility Income FundCOM SH BEN INT9,725$316.5K0.2%−150−1.5%ReducedHistory
INVEINVE Technologies, Inc.COM NEW96,244$307.0K0.2%−4,350−4.3%ReducedHistory
FAFFirst American Financial CorpStock4,650$305.2K0.2%−300−6.1%ReducedHistory
CVSCVS Health CorpStock4,500$304.9K0.2%−300−6.3%ReducedHistory
AEHRAehr Test SystemsCOM41,375$301.6K0.2%+7,550+22.3%AddedHistory
ARCCAres Capital CorpCEF13,490$298.9K0.2%+2,600+23.9%AddedHistory
J P Morgan Exchange Traded F46641Q332EQUITY PREMIUM5,150$294.3K0.2%00.0%Unchanged–
LINCLincoln Educational Services CorpCOM16,996$269.7K0.2%−17,595−50.9%ReducedHistory
PBIPitney Bowes IncCOM29,125$263.6K0.2%+29,125NewHistory
WBSWebster Financial CorpCOM5,080$261.9K0.2%+250+5.2%AddedHistory
BDXBecton Dickinson & CoStock1,115$255.4K0.2%00.0%UnchangedHistory
CVXChevron CorpStock1,490$249.3K0.2%−65−4.2%ReducedHistory
WLYJohn Wiley & Sons, Inc.CL A5,500$245.1K0.2%00.0%UnchangedHistory
OESXOrion Energy Systems, Inc.COM337,597$243.4K0.2%−3,250−1.0%ReducedHistory
iShares Tr46428743220 YR TR BD ETF2,595$236.2K0.2%00.0%Unchanged–
BLZEBackblaze, Inc.COM CL A47,275$228.3K0.2%−600−1.3%ReducedHistory
COPConocoPhillipsStock2,025$212.7K0.2%00.0%UnchangedHistory
JPCNuveen Preferred & Income Opportunities FundCOM25,710$204.7K0.2%00.0%UnchangedHistory
VKQInvesco Municipal TrustCOM20,000$193.0K0.1%00.0%UnchangedHistory
NUVNuveen Municipal Value Fund IncCOM20,000$175.4K0.1%00.0%UnchangedHistory
XGNExagen Inc.COM39,365$141.3K0.1%−5,229−11.7%ReducedHistory

Sold out since Q4 2024 (8)

Positions held at the end of Q4 2024 that are gone from this filing.

Positions of Penbrook Management LLC sold out since Q4 2024
SecurityClassShares in Q4 2024Value in Q4 2024% of portfolio in Q4 2024History
SKYChampion Homes, Inc.Stock8,585$756.3K0.5%History
IVACIntevac IncCOM148,780$505.9K0.3%History
WMTWalmart Inc.Stock3,821$345.2K0.2%History
MRKMerck & Co., Inc.Stock2,706$269.2K0.2%History
EOSEEos Energy Enterprises, Inc.COM CL A16,500$80.2K0.1%History
INDIindie Semiconductor, Inc.CLASS A COM19,000$77.0K0.1%History
ONDSOndas Inc.COM NEW11,000$28.2K<0.1%History
NWTGNewton Golf Company, Inc.COM20,000$8.40K<0.1%History