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Penbrook Management LLC

SEC CIK
0001381055
Latest filing
Jul 23, 2026

Holdings in Q1 2026

Holdings as of Mar 31, 2026, filed Apr 21, 2026. Long positions only; changes compare share counts with Q4 2025.

Institution overview
Positions
93
−4 vs. Q4 2025
Portfolio value
$132.1M
−$12.9M (−8.9%) vs. Q4 2025
Filed
Apr 21, 2026
SEC
Holdings of Penbrook Management LLC in Q1 2026
SecurityClassSharesValue% of portfolioShare changeActionHistory
NVONovo Nordisk A SADR316,200$11.6M8.8%−200−0.1%ReducedHistory
AMZNAmazon Com IncStock51,760$10.8M8.2%00.0%UnchangedHistory
MSFTMicrosoft CorpStock22,245$8.23M6.2%−505−2.2%ReducedHistory
GOOGLAlphabet Inc.Stock23,170$6.66M5.0%00.0%UnchangedHistory
GOOGAlphabet Inc.Stock22,554$6.47M4.9%00.0%UnchangedHistory
MCOMoodys CorpStock13,600$5.93M4.5%00.0%UnchangedHistory
PLABPhotronics IncCOM96,730$3.91M3.0%−13,950−12.6%ReducedHistory
PLPlanet Labs PBCCOM CL A105,870$2.96M2.2%−189,375−64.1%ReducedHistory
AEHRAehr Test SystemsCOM79,515$2.95M2.2%−35,385−30.8%ReducedHistory
SASeabridge Gold IncCOM95,990$2.72M2.1%00.0%UnchangedHistory
VETVermilion Energy Inc.COM197,825$2.72M2.1%00.0%UnchangedHistory
PRTAProthena Corp Public Ltd CoSHS271,720$2.64M2.0%+271,720NewHistory
VMDViemed Healthcare, Inc.COM272,398$2.51M1.9%+850+0.3%AddedHistory
ELVAElectrovaya Inc.COM NEW295,356$2.30M1.7%−54,505−15.6%ReducedHistory
TRIThomson Reuters CorpCOM NO PAR24,774$2.23M1.7%−174−0.7%ReducedHistory
BXBlackstone Inc.COM18,150$2.09M1.6%+3,350+22.6%AddedHistory
ALKTAlkami Technology, Inc.Stock127,685$2.00M1.5%00.0%UnchangedHistory
CURICuriosityStream Inc.COM CL A675,150$2.00M1.5%+327,850+94.4%AddedHistory
NNYNuveen New York Municipal Value FundCOM213,727$1.78M1.4%00.0%UnchangedHistory
TRGPTarga Resources Corp.COM6,892$1.73M1.3%−136−1.9%ReducedHistory
BRK.BBerkshire Hathaway IncStock3,300$1.58M1.2%−50−1.5%ReducedHistory
CYRXCryoport, Inc.COM PAR $0.001185,775$1.54M1.2%+132,940+251.6%AddedHistory
VZVerizon Communications IncStock29,899$1.50M1.1%−1,236−4.0%ReducedHistory
ETEnergy Transfer LPCOM UT LTD PTN74,489$1.44M1.1%00.0%UnchangedHistory
CSCOCisco Systems, Inc.Stock18,350$1.42M1.1%00.0%UnchangedHistory
SONYSony Group CorpSPONSORED ADR68,500$1.42M1.1%00.0%UnchangedHistory
WMBWilliams Companies, Inc.COM19,130$1.39M1.1%00.0%UnchangedHistory
MESOMesoblast LtdADR87,075$1.34M1.0%−500−0.6%ReducedHistory
MGNIMagnite, Inc.COM112,190$1.33M1.0%+81,075+260.6%AddedHistory
ADPAutomatic Data Processing IncStock6,300$1.28M1.0%00.0%UnchangedHistory
EXTRExtreme Networks IncCOM83,525$1.26M1.0%+83,525NewHistory
HESMHess Midstream LPCL A SHS30,055$1.17M0.9%00.0%UnchangedHistory
ABNBAirbnb, Inc.Stock8,950$1.13M0.9%00.0%UnchangedHistory
ACLSAxcelis Technologies IncStock12,095$1.13M0.9%−3,800−23.9%ReducedHistory
ABBVAbbVie Inc.Stock5,170$1.12M0.9%−60−1.1%ReducedHistory
USACUSA Compression Partners, LPCOMUNIT LTDPAR41,038$1.11M0.8%00.0%UnchangedHistory
SPYSPDR S&P 500 ETF TrustETF1,605$1.04M0.8%−115−6.7%ReducedHistory
OKEONEOK IncCOM11,310$1.02M0.8%00.0%UnchangedHistory
DVDoubleVerify Holdings, Inc.COM102,910$977.6K0.7%00.0%UnchangedHistory
NPKINPK International Inc.COM SHS67,250$974.5K0.7%00.0%UnchangedHistory
METAMeta Platforms, Inc.Stock1,700$972.6K0.7%00.0%UnchangedHistory
MRVLMarvell Technology, Inc.COM9,730$963.8K0.7%00.0%UnchangedHistory
NVDANVIDIA CorpStock5,223$910.9K0.7%00.0%UnchangedHistory
DAIOData I/O CorpCOM356,850$902.8K0.7%00.0%UnchangedHistory
SHELShell plcADR9,400$874.2K0.7%00.0%UnchangedHistory
NVSNovartis AGADR5,540$846.2K0.6%−70−1.2%ReducedHistory
CVECenovus Energy Inc.COM29,880$792.7K0.6%00.0%UnchangedHistory
ASURAsure Software IncCOM89,635$770.9K0.6%+400+0.4%AddedHistory
SGOLabrdn Gold ETF TrustETF17,155$765.5K0.6%00.0%UnchangedHistory
BPOPPopular, Inc.COM NEW5,500$737.9K0.6%−6,350−53.6%ReducedHistory
EMREmerson Electric CoStock5,300$694.4K0.5%00.0%UnchangedHistory
WESWestern Midstream Partners, LPCOM UNIT LP INT15,900$654.6K0.5%00.0%UnchangedHistory
RRCRange Resources CorpCOM14,240$643.4K0.5%00.0%UnchangedHistory
REGNRegeneron Pharmaceuticals, Inc.COM785$606.5K0.5%−12−1.5%ReducedHistory
Invesco QQQ Trust Series I46090E103ETF925$533.9K0.4%−945−50.5%Reduced–
LINCLincoln Educational Services CorpCOM12,740$518.3K0.4%−4,286−25.2%ReducedHistory
FBPFirst BancorpCOM NEW23,500$502.0K0.4%−21,400−47.7%ReducedHistory
PIMFranklin Master Intermediate Income TrustSH BEN INT147,063$480.9K0.4%00.0%UnchangedHistory
PARPar Technology CorpCOM35,775$476.9K0.4%+15,960+80.5%AddedHistory
POWIPower Integrations IncCOM9,200$471.0K0.4%00.0%UnchangedHistory
KLICKulicke & Soffa Industries IncCOM7,100$466.6K0.4%00.0%UnchangedHistory
BLFSBiolife Solutions IncCOM NEW23,155$441.8K0.3%+200+0.9%AddedHistory
DMLPDorchester Minerals, L.P.COM UNIT16,225$439.7K0.3%00.0%UnchangedHistory
EPDEnterprise Products Partners L.P.Stock11,427$432.4K0.3%00.0%UnchangedHistory
FNFFidelity National Financial, Inc.COM SHS9,168$425.2K0.3%−11,153−54.9%ReducedHistory
AAPLApple Inc.Stock1,529$388.0K0.3%00.0%UnchangedHistory
BMYBristol Myers Squibb CoStock6,250$379.1K0.3%00.0%UnchangedHistory
OSSOne Stop Systems, Inc.COM46,740$353.8K0.3%00.0%UnchangedHistory
PAYSPaysign, Inc.COM55,785$329.1K0.2%+24,960+81.0%AddedHistory
Invesco Exchange Traded FD T46137V357S&P500 EQL WGT1,670$320.5K0.2%00.0%Unchanged–
IBMInternational Business Machines CorpStock1,283$311.0K0.2%−344−21.1%ReducedHistory
CVXChevron CorpStock1,377$284.9K0.2%00.0%UnchangedHistory
COPConocoPhillipsStock2,025$267.3K0.2%+2,025NewHistory
KOPNKopin CorpCOM114,575$257.8K0.2%−400−0.3%ReducedHistory
BLZEBackblaze, Inc.COM CL A72,150$248.9K0.2%+800+1.1%AddedHistory
State Street SPDR Portfolio S&P 500 ETF78464A854ETF3,180$243.4K0.2%−20−0.6%Reduced–
UTGReaves Utility Income FundCOM SH BEN INT6,125$240.6K0.2%+100+1.7%AddedHistory
J P Morgan Exchange Traded F46641Q332EQUITY PREMIUM4,225$239.5K0.2%00.0%Unchanged–
AMAntero Midstream CorpStock9,900$225.7K0.2%+9,900NewHistory
TTITetra Technologies IncCOM26,410$225.0K0.2%−17,565−39.9%ReducedHistory
HTGCHercules Capital, Inc.COM15,060$222.4K0.2%+293+2.0%AddedHistory
XOMExxonMobil Holdings CorpCOM1,280$217.2K0.2%+1,280NewHistory
NKENIKE, Inc.Stock3,960$209.2K0.2%+75+1.9%AddedHistory
MRKMerck & Co., Inc.Stock1,700$204.5K0.2%+1,700NewHistory
VKQInvesco Municipal TrustCOM20,000$190.4K0.1%00.0%UnchangedHistory
GBDCGolub Capital BDC, Inc.COM14,680$185.8K0.1%−9,000−38.0%ReducedHistory
NUVNuveen Municipal Value Fund IncCOM20,000$179.8K0.1%00.0%UnchangedHistory
IOVAIovance Biotherapeutics, Inc.COM42,445$149.0K0.1%+8,500+25.0%AddedHistory
DXDynex Capital IncCOM10,050$128.2K0.1%+10,050NewHistory
AQSTAquestive Therapeutics, Inc.COM25,565$106.1K0.1%−16,595−39.4%ReducedHistory
ONDSOndas Inc.COM NEW10,005$90.4K0.1%00.0%UnchangedHistory
PROFProfound Medical Corp.COM NEW12,300$79.7K0.1%+12,300NewHistory
XGNExagen Inc.COM13,330$40.0K<0.1%−100−0.7%ReducedHistory

Sold out since Q4 2025 (12)

Positions held at the end of Q4 2025 that are gone from this filing.

Positions of Penbrook Management LLC sold out since Q4 2025
SecurityClassShares in Q4 2025Value in Q4 2025% of portfolio in Q4 2025History
SYFSynchrony FinancialCOM15,500$1.29M0.9%History
COHUCohu IncCOM38,300$891.2K0.6%History
GPNGlobal Payments IncStock5,115$395.9K0.3%History
BBSIBarrett Business Services IncCOM8,800$318.6K0.2%History
FAFFirst American Financial CorpStock4,300$264.2K0.2%History
WBSWebster Financial CorpCOM4,180$263.1K0.2%History
AFLAflac IncStock1,950$215.0K0.1%History
FISFidelity National Information Services, Inc.Stock3,224$214.3K0.1%History
JPMJPMorgan Chase & CoStock660$212.7K0.1%History
TFPMTriple Flag Precious Metals Corp.Stock6,089$202.3K0.1%History
BTQBTQ Technologies Corp.COM10,570$54.1K<0.1%History
MINAberdeen Intermediate Income FundSH BEN INT18,750$48.9K<0.1%History