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Livermore
Livermore
ZHEN

Penbrook Management LLC

SEC CIK
0001381055
Latest filing
Jul 23, 2026

Holdings in Q3 2024

Holdings as of Sep 30, 2024, filed Oct 15, 2024. Long positions only; changes compare share counts with Q2 2024.

Institution overview
Positions
104
+3 vs. Q2 2024
Portfolio value
$153.8M
−$10.0M (−6.1%) vs. Q2 2024
Filed
Oct 15, 2024
SEC
Holdings of Penbrook Management LLC in Q3 2024
SecurityClassSharesValue% of portfolioShare changeActionHistory
NVONovo Nordisk A SADR312,500$37.2M24.2%−1000.0%ReducedHistory
MSFTMicrosoft CorpStock27,128$11.7M7.6%−40−0.1%ReducedHistory
AMZNAmazon Com IncStock52,640$9.81M6.4%00.0%UnchangedHistory
MCOMoodys CorpStock13,650$6.48M4.2%00.0%UnchangedHistory
TRIThomson Reuters CorpCOM NO PAR25,485$4.35M2.8%−24−0.1%ReducedHistory
GOOGAlphabet Inc.Stock25,520$4.27M2.8%+50+0.2%AddedHistory
GOOGLAlphabet Inc.Stock23,170$3.84M2.5%00.0%UnchangedHistory
Veren Inc92340V107COM NEW441,250$2.72M1.8%−30,800−6.5%Reduced–
TRGPTarga Resources Corp.COM18,082$2.68M1.7%−3,823−17.5%ReducedHistory
BXBlackstone Inc.COM15,600$2.39M1.6%−1,000−6.0%ReducedHistory
PLABPhotronics IncCOM92,695$2.30M1.5%−10,700−10.3%ReducedHistory
ACLSAxcelis Technologies IncStock19,565$2.05M1.3%−3,360−14.7%ReducedHistory
NNYNuveen New York Municipal Value FundCOM213,727$1.84M1.2%00.0%UnchangedHistory
VETVermilion Energy Inc.COM184,500$1.80M1.2%−42,170−18.6%ReducedHistory
ADPAutomatic Data Processing IncStock6,300$1.74M1.1%00.0%UnchangedHistory
FNFFidelity National Financial, Inc.COM SHS27,559$1.71M1.1%−6,700−19.6%ReducedHistory
SASeabridge Gold IncCOM100,245$1.68M1.1%−10,850−9.8%ReducedHistory
BRK.BBerkshire Hathaway IncStock3,580$1.65M1.1%−25−0.7%ReducedHistory
ALKTAlkami Technology, Inc.Stock50,035$1.58M1.0%−5,640−10.1%ReducedHistory
VMDViemed Healthcare, Inc.COM213,857$1.57M1.0%−17,750−7.7%ReducedHistory
COHUCohu IncCOM55,100$1.42M0.9%−6,475−10.5%ReducedHistory
BPOPPopular, Inc.COM NEW13,900$1.39M0.9%−4,300−23.6%ReducedHistory
NVGSNavigator Holdings Ltd.SHS84,500$1.36M0.9%−15,400−15.4%ReducedHistory
VZVerizon Communications IncStock30,171$1.35M0.9%00.0%UnchangedHistory
SONYSony Group CorpSPONSORED ADR14,000$1.35M0.9%00.0%UnchangedHistory
ETEnergy Transfer LPCOM UT LTD PTN83,742$1.34M0.9%−3,754−4.3%ReducedHistory
SPYSPDR S&P 500 ETF TrustETF2,315$1.33M0.9%00.0%UnchangedHistory
REGNRegeneron Pharmaceuticals, Inc.COM1,147$1.21M0.8%00.0%UnchangedHistory
FBPFirst BancorpCOM NEW55,600$1.18M0.8%−15,200−21.5%ReducedHistory
ABNBAirbnb, Inc.Stock9,250$1.17M0.8%+6,000+184.6%AddedHistory
OKEONEOK IncCOM12,035$1.10M0.7%−2,000−14.3%ReducedHistory
Invesco QQQ Trust Series I46090E103ETF2,195$1.07M0.7%+700+46.8%Added–
COOPMaverick Merger Sub 2, LLCCOM11,400$1.05M0.7%−780−6.4%ReducedHistory
SYFSynchrony FinancialCOM21,000$1.05M0.7%−3,850−15.5%ReducedHistory
ABBVAbbVie Inc.Stock5,273$1.04M0.7%−100−1.9%ReducedHistory
CSCOCisco Systems, Inc.Stock19,400$1.03M0.7%00.0%UnchangedHistory
METAMeta Platforms, Inc.Stock1,800$1.03M0.7%00.0%UnchangedHistory
ASURAsure Software IncCOM112,035$1.01M0.7%+50,250+81.3%AddedHistory
AAPLApple Inc.Stock4,104$956.2K0.6%00.0%UnchangedHistory
USACUSA Compression Partners, LPCOMUNIT LTDPAR41,676$955.2K0.6%−8,800−17.4%ReducedHistory
HESMHess Midstream LPCL A SHS27,030$953.3K0.6%+1,200+4.6%AddedHistory
PLPlanet Labs PBCCOM CL A427,255$952.8K0.6%−29,400−6.4%ReducedHistory
SKYChampion Homes, Inc.Stock9,735$923.4K0.6%−75−0.8%ReducedHistory
WMBWilliams Companies, Inc.COM20,030$914.4K0.6%−2,200−9.9%ReducedHistory
MESOMesoblast LtdADR107,275$876.4K0.6%−17,650−14.1%ReducedHistory
KLICKulicke & Soffa Industries IncCOM18,785$847.8K0.6%−1,865−9.0%ReducedHistory
BLFSBiolife Solutions IncCOM NEW30,650$767.5K0.5%−8,365−21.4%ReducedHistory
DAIOData I/O CorpCOM271,450$697.6K0.5%−40,600−13.0%ReducedHistory
NUNu Holdings Ltd.ORD SHS CL A49,690$678.3K0.4%+49,690NewHistory
NVSNovartis AGADR5,760$662.5K0.4%00.0%UnchangedHistory
SHELShell plcADR9,900$652.9K0.4%00.0%UnchangedHistory
LINCLincoln Educational Services CorpCOM53,531$639.2K0.4%−1,600−2.9%ReducedHistory
EMREmerson Electric CoStock5,800$634.3K0.4%00.0%UnchangedHistory
POWIPower Integrations IncCOM9,200$589.9K0.4%00.0%UnchangedHistory
IBMInternational Business Machines CorpStock2,625$580.3K0.4%−1,075−29.1%ReducedHistory
NPKINPK International Inc.COM SHS81,985$568.2K0.4%−775−0.9%ReducedHistory
BLDRBuilders FirstSource, Inc.Stock2,873$557.0K0.4%−1,924−40.1%ReducedHistory
PUBMPubMatic, Inc.COM CL A35,045$521.1K0.3%−7,750−18.1%ReducedHistory
IVACIntevac IncCOM149,780$509.3K0.3%−4,430−2.9%ReducedHistory
PIMFranklin Master Intermediate Income TrustSH BEN INT148,763$504.3K0.3%−1,200−0.8%ReducedHistory
iShares Tr464287556ISHARES BIOTECH3,360$489.2K0.3%−690−17.0%Reduced–
Invesco Exchange Traded FD T46137V233S&P 500 TOP 5010,190$484.3K0.3%−180−1.7%Reduced–
CVECenovus Energy Inc.COM28,800$481.8K0.3%00.0%UnchangedHistory
MRKMerck & Co., Inc.Stock4,206$477.6K0.3%+100+2.4%AddedHistory
HTGCHercules Capital, Inc.COM24,194$475.2K0.3%+405+1.7%AddedHistory
RRCRange Resources CorpCOM14,640$450.3K0.3%−1,450−9.0%ReducedHistory
BBSIBarrett Business Services IncCOM12,000$450.1K0.3%−5,600−31.8%ReducedHistory
PARPar Technology CorpCOM8,230$428.6K0.3%−100−1.2%ReducedHistory
CYRXCryoport, Inc.COM PAR $0.00149,595$402.2K0.3%+16,465+49.7%AddedHistory
Invesco Exchange Traded FD T46137V357S&P500 EQL WGT2,170$388.8K0.3%00.0%Unchanged–
DMLPDorchester Minerals, L.P.COM UNIT12,450$375.4K0.2%−2,000−13.8%ReducedHistory
WMTWalmart Inc.Stock4,621$373.1K0.2%00.0%UnchangedHistory
INVEINVE Technologies, Inc.COM NEW100,594$355.1K0.2%−1,275−1.3%ReducedHistory
MPMP Materials Corp.COM CL A19,990$352.8K0.2%−275−1.4%ReducedHistory
AEHRAehr Test SystemsCOM27,000$346.9K0.2%−580−2.1%ReducedHistory
FISFidelity National Information Services, Inc.Stock4,124$345.4K0.2%00.0%UnchangedHistory
EPDEnterprise Products Partners L.P.Stock11,490$334.5K0.2%+11,490NewHistory
OESXOrion Energy Systems, Inc.COM386,497$331.2K0.2%−5,000−1.3%ReducedHistory
FAFFirst American Financial CorpStock4,950$326.8K0.2%−600−10.8%ReducedHistory
MGNIMagnite, Inc.COM23,430$324.5K0.2%+23,430NewHistory
UTGReaves Utility Income FundCOM SH BEN INT9,875$324.0K0.2%00.0%UnchangedHistory
AFLAflac IncStock2,850$318.6K0.2%−1,250−30.5%ReducedHistory
TAT&T Inc.Stock14,455$318.0K0.2%00.0%UnchangedHistory
J P Morgan Exchange Traded F46641Q332EQUITY PREMIUM5,150$306.5K0.2%00.0%Unchanged–
CVSCVS Health CorpStock4,800$301.8K0.2%−2,800−36.8%ReducedHistory
ORIOld Republic International CorpCOM8,080$286.2K0.2%−600−6.9%ReducedHistory
JPCNuveen Preferred & Income Opportunities FundCOM33,621$271.3K0.2%00.0%UnchangedHistory
BDXBecton Dickinson & CoStock1,115$268.8K0.2%00.0%UnchangedHistory
WLYJohn Wiley & Sons, Inc.CL A5,500$265.4K0.2%00.0%UnchangedHistory
iShares Tr46428743220 YR TR BD ETF2,695$264.4K0.2%+2,695New–
CVXChevron CorpStock1,555$229.0K0.1%00.0%UnchangedHistory
WBSWebster Financial CorpCOM4,630$215.8K0.1%+4,630NewHistory
COPConocoPhillipsStock2,025$213.2K0.1%00.0%UnchangedHistory
BCOVBrightcove IncCOM95,205$205.6K0.1%+95,205NewHistory
VKQInvesco Municipal TrustCOM20,000$205.2K0.1%00.0%UnchangedHistory
XGNExagen Inc.COM62,955$194.5K0.1%−6,500−9.4%ReducedHistory
NUVNuveen Municipal Value Fund IncCOM20,000$180.4K0.1%00.0%UnchangedHistory
MINAberdeen Intermediate Income FundSH BEN INT58,229$158.4K0.1%00.0%UnchangedHistory
TUSKMammoth Energy Services, Inc.COM32,700$133.7K0.1%−29,200−47.2%ReducedHistory
FFord Motor CoStock11,500$121.4K0.1%00.0%UnchangedHistory

Options (2)

Puts and calls in the same filing. Amounts are the market value of the underlying shares, which is what 13F reports.

Option positions of Penbrook Management LLC in Q3 2024
SecurityClassPutsCalls
MGNIMagnite, Inc.OPT–$6.92K
Pubmatic Inc Com CL A99Q40G3J2OPT–$2.97K

Sold out since Q2 2024 (3)

Positions held at the end of Q2 2024 that are gone from this filing.

Positions of Penbrook Management LLC sold out since Q2 2024
SecurityClassShares in Q2 2024Value in Q2 2024% of portfolio in Q2 2024History
FISVFiserv IncStock4,330$645.3K0.4%History
CEFSprott Physical Gold & Silver TrustPHYSICAL GOLD AN9,500$209.5K0.1%History
AMAntero Midstream CorpStock10,000$147.4K0.1%History