Penbrook Management LLC

13F filer · CIK 0001381055

Reported Jul 23, 2026

Net seller this quarter

13F portfolio value$157MU.S. long equity reported on 13F

Positions9710 new · 3 closed

Net flow last quarter-$721KBuys minus sells

Top 10 positions weight45.1%Concentration

Holdings

13F · last 4 quarters free

Scroll for earlier quarters

Company	Value	% of portfolio	% of company	POSITION CHANGE qoq %	First reported
Q2 2026Reported Jul 23, 202697 positions
NVONovo Nordisk A S	$15.2M	9.67%	Not reported	Not reported	Q2 2014
AMZNAmazon Com Inc	$12.3M	7.87%	0.00%	Not reported	Q2 2014
GOOGLAlphabet Inc.	$8.28M	5.28%	0.00%	Not reported	Q1 2016
MSFTMicrosoft Corp	$8.18M	5.22%	0.00%	-1.5%	Q2 2014
GOOGAlphabet Inc.	$7.97M	5.08%	Not reported	Not reported	Q1 2016
MCOMoodys Corp	$6.16M	3.93%	0.01%	Not reported	Q2 2014
ELVAElectrovaya Inc.	$3.43M	2.19%	0.77%	+10.5%	Q4 2024
CYRXCryoport, Inc.	$3.18M	2.03%	0.40%	+9.1%	Q1 2018
VMDViemed Healthcare, Inc.	$3.16M	2.02%	0.73%	+1.8%	Q1 2023
MRVLMarvell Technology, Inc.	$2.9M	1.85%	0.00%	Not reported	Q3 2025
PLABPhotronics Inc	$2.9M	1.85%	0.15%	-7.9%	Q4 2017
SASeabridge Gold Inc	$2.85M	1.82%	0.12%	+15.6%	Q2 2014
EXTRExtreme Networks Inc	$2.72M	1.73%	0.06%	+0.6%	Q1 2026
PLPlanet Labs PBC	$2.71M	1.73%	0.03%	-22.7%	Q2 2023
PRTAProthena Corp Public Ltd Co	$2.66M	1.70%	0.53%	Not reported	Q1 2026
ALKTAlkami Technology, Inc.	$2.55M	1.62%	0.13%	+10.1%	Q3 2023
ALLTAllot Ltd.	$2.44M	1.55%	0.57%	New	Q2 2026
CSCOCisco Systems, Inc.	$2.16M	1.37%	0.00%	Not reported	Q2 2014
BXBlackstone Inc.	$2.14M	1.36%	0.00%	Not reported	Q2 2014
MGNIMagnite, Inc.	$2.13M	1.36%	0.08%	-0.1%	Q3 2024
ACLSAxcelis Technologies Inc	$2.06M	1.32%	0.04%	-9.9%	Q2 2014
CURICuriosityStream Inc.	$2.03M	1.30%	1.29%	+13.3%	Q4 2024
TRIThomson Reuters Corp	$1.99M	1.27%	0.01%	-1.6%	Q2 2014
NNYNuveen New York Municipal Value Fund	$1.87M	1.19%	Not reported	Not reported	Q2 2014
VETVermilion Energy Inc.	$1.85M	1.18%	0.13%	Not reported	Q4 2017
TRGPTarga Resources Corp.	$1.85M	1.18%	0.00%	Not reported	Q2 2014
BRK.BBerkshire Hathaway Inc	$1.65M	1.05%	Not reported	-0.3%	Q2 2014
BTEBaytex Energy Corp.	$1.6M	1.02%	0.05%	Not reported	Q2 2014
ETEnergy Transfer LP	$1.42M	0.91%	0.00%	Not reported	Q4 2021
WMBWilliams Companies, Inc.	$1.42M	0.91%	0.00%	Not reported	Q2 2014
ADPAutomatic Data Processing Inc	$1.41M	0.90%	0.00%	Not reported	Q2 2014
DAIOData I/O Corp	$1.4M	0.89%	3.42%	-0.3%	Q2 2014
SONYSony Group Corp	$1.37M	0.88%	0.00%	Not reported	Q2 2014
ABBVAbbVie Inc.	$1.3M	0.83%	0.00%	-0.4%	Q2 2014
VZVerizon Communications Inc	$1.29M	0.82%	0.00%	+1.8%	Q2 2014
ABNBAirbnb, Inc.	$1.28M	0.82%	Not reported	Not reported	Q4 2022
SPYSPDR S&P 500 ETF Trust	$1.2M	0.76%	Not reported	Not reported	Q2 2014
MESOMesoblast Ltd	$1.18M	0.75%	0.01%	Not reported	Q4 2017
HESMHess Midstream LP	$1.13M	0.72%	0.02%	Not reported	Q2 2018
BLFSBiolife Solutions Inc	$1.12M	0.72%	0.08%	+71.5%	Q4 2019
DVDoubleVerify Holdings, Inc.	$1.11M	0.71%	0.07%	-0.2%	Q4 2025
USACUSA Compression Partners, LP	$1.08M	0.69%	0.03%	Not reported	Q4 2019
NPKINPK International Inc.	$1.08M	0.69%	0.08%	+0.9%	Q4 2023
NVDANvidia Corp	$1.07M	0.68%	0.00%	+1.9%	Q1 2025
OKEOneok Inc	$983K	0.63%	0.00%	Not reported	Q2 2014
METAMeta Platforms, Inc.	$958K	0.61%	Not reported	Not reported	Q3 2014
KLICKulicke & Soffa Industries Inc	$950K	0.61%	0.01%	Not reported	Q2 2014
PARPar Technology Corp	$936K	0.60%	0.13%	+50.3%	Q2 2024
BPOPPopular, Inc.	$870K	0.56%	0.01%	-3.6%	Q2 2014
NVSNovartis AG	$868K	0.55%	0.00%	Not reported	Q2 2014

Q1 2026Reported Apr 21, 202690 positions
NVONovo Nordisk A S	$11.6M	8.80%	Not reported	-0.1%	Q2 2014
AMZNAmazon Com Inc	$10.8M	8.16%	0.00%	Not reported	Q2 2014
MSFTMicrosoft Corp	$8.23M	6.24%	0.00%	-2.2%	Q2 2014
GOOGLAlphabet Inc.	$6.66M	5.05%	0.00%	Not reported	Q1 2016
GOOGAlphabet Inc.	$6.47M	4.90%	Not reported	Not reported	Q1 2016
MCOMoodys Corp	$5.93M	4.49%	0.01%	Not reported	Q2 2014
PLABPhotronics Inc	$3.91M	2.96%	0.16%	-12.6%	Q4 2017
PLPlanet Labs PBC	$2.96M	2.24%	0.04%	-64.1%	Q2 2023
AEHRAehr Test Systems	$2.95M	2.23%	0.26%	-30.8%	Q4 2023
SASeabridge Gold Inc	$2.72M	2.06%	0.10%	Not reported	Q2 2014
VETVermilion Energy Inc.	$2.72M	2.06%	0.13%	Not reported	Q4 2017
PRTAProthena Corp Public Ltd Co	$2.64M	2.00%	0.51%	New	Q1 2026
VMDViemed Healthcare, Inc.	$2.51M	1.90%	0.71%	+0.3%	Q1 2023
ELVAElectrovaya Inc.	$2.3M	1.74%	0.70%	-15.6%	Q4 2024
TRIThomson Reuters Corp	$2.23M	1.69%	0.01%	-0.7%	Q2 2014
BXBlackstone Inc.	$2.09M	1.58%	0.00%	+22.6%	Q2 2014
ALKTAlkami Technology, Inc.	$2M	1.52%	0.12%	Not reported	Q3 2023
CURICuriosityStream Inc.	$2M	1.51%	1.14%	+94.4%	Q4 2024
NNYNuveen New York Municipal Value Fund	$1.78M	1.35%	Not reported	Not reported	Q2 2014
TRGPTarga Resources Corp.	$1.73M	1.31%	0.00%	-1.9%	Q2 2014
BRK.BBerkshire Hathaway Inc	$1.58M	1.20%	Not reported	-1.5%	Q2 2014
CYRXCryoport, Inc.	$1.54M	1.16%	0.37%	+251.6%	Q1 2018
VZVerizon Communications Inc	$1.5M	1.14%	0.00%	-4.0%	Q2 2014
ETEnergy Transfer LP	$1.44M	1.09%	0.00%	Not reported	Q4 2021
CSCOCisco Systems, Inc.	$1.42M	1.08%	0.00%	Not reported	Q2 2014
SONYSony Group Corp	$1.42M	1.07%	0.00%	Not reported	Q2 2014
WMBWilliams Companies, Inc.	$1.39M	1.05%	0.00%	Not reported	Q2 2014
MESOMesoblast Ltd	$1.34M	1.01%	0.01%	-0.6%	Q4 2017
MGNIMagnite, Inc.	$1.33M	1.01%	0.08%	+260.6%	Q3 2024
ADPAutomatic Data Processing Inc	$1.28M	0.97%	0.00%	Not reported	Q2 2014
EXTRExtreme Networks Inc	$1.26M	0.95%	0.06%	New	Q1 2026
HESMHess Midstream LP	$1.17M	0.88%	0.02%	Not reported	Q2 2018
ABNBAirbnb, Inc.	$1.13M	0.86%	Not reported	Not reported	Q4 2022
ACLSAxcelis Technologies Inc	$1.13M	0.85%	0.04%	-23.9%	Q2 2014
ABBVAbbVie Inc.	$1.12M	0.85%	0.00%	-1.2%	Q2 2014
USACUSA Compression Partners, LP	$1.11M	0.84%	0.03%	Not reported	Q4 2019
SPYSPDR S&P 500 ETF Trust	$1.04M	0.79%	Not reported	-6.7%	Q2 2014
OKEOneok Inc	$1.02M	0.77%	0.00%	Not reported	Q2 2014
DVDoubleVerify Holdings, Inc.	$978K	0.74%	0.07%	Not reported	Q4 2025
NPKINPK International Inc.	$974K	0.74%	0.08%	Not reported	Q4 2023
METAMeta Platforms, Inc.	$973K	0.74%	Not reported	Not reported	Q3 2014
MRVLMarvell Technology, Inc.	$964K	0.73%	0.00%	Not reported	Q3 2025
NVDANvidia Corp	$911K	0.69%	0.00%	Not reported	Q1 2025
DAIOData I/O Corp	$903K	0.68%	3.80%	Not reported	Q2 2014
SHELShell plc	$874K	0.66%	0.00%	Not reported	Q1 2022
NVSNovartis AG	$846K	0.64%	0.00%	-1.3%	Q2 2014
CVECenovus Energy Inc.	$793K	0.60%	0.00%	Not reported	Q1 2022
ASURAsure Software Inc	$771K	0.58%	0.31%	+0.5%	Q4 2023
SGOLabrdn Gold ETF Trust	$765K	0.58%	0.01%	Not reported	Q1 2025
BPOPPopular, Inc.	$738K	0.56%	0.01%	-53.6%	Q2 2014

Q4 2025Reported Jan 6, 202694 positions
NVONovo Nordisk A S	$16.1M	11.10%	Not reported	+1.5%	Q2 2014
AMZNAmazon Com Inc	$11.9M	8.24%	0.00%	0.0%	Q2 2014
MSFTMicrosoft Corp	$11M	7.59%	0.00%	-6.4%	Q2 2014
GOOGLAlphabet Inc.	$7.25M	5.00%	0.00%	Not reported	Q1 2016
GOOGAlphabet Inc.	$7.08M	4.88%	Not reported	-0.7%	Q1 2016
MCOMoodys Corp	$6.95M	4.79%	0.01%	-0.4%	Q2 2014
PLPlanet Labs PBC	$5.82M	4.02%	0.11%	-6.0%	Q2 2023
PLABPhotronics Inc	$3.54M	2.44%	0.19%	-0.6%	Q4 2017
TRIThomson Reuters Corp	$3.3M	2.27%	0.01%	+0.4%	Q2 2014
ALKTAlkami Technology, Inc.	$2.95M	2.03%	0.12%	+2.9%	Q3 2023
SASeabridge Gold Inc	$2.84M	1.96%	0.10%	-0.6%	Q2 2014
ELVAElectrovaya Inc.	$2.76M	1.91%	0.83%	+13.6%	Q4 2024
AEHRAehr Test Systems	$2.32M	1.60%	0.38%	-1.2%	Q4 2023
BXBlackstone Inc.	$2.28M	1.57%	0.00%	Not reported	Q2 2014
VMDViemed Healthcare, Inc.	$2.02M	1.39%	0.71%	-0.3%	Q1 2023
NNYNuveen New York Municipal Value Fund	$1.83M	1.26%	Not reported	Not reported	Q2 2014
SONYSony Group Corp	$1.75M	1.21%	0.00%	Not reported	Q2 2014
BRK.BBerkshire Hathaway Inc	$1.68M	1.16%	Not reported	-0.7%	Q2 2014
VETVermilion Energy Inc.	$1.65M	1.14%	0.13%	+10.2%	Q4 2017
ADPAutomatic Data Processing Inc	$1.62M	1.12%	0.00%	Not reported	Q2 2014
MESOMesoblast Ltd	$1.58M	1.09%	0.01%	-0.1%	Q4 2017
BPOPPopular, Inc.	$1.48M	1.02%	0.02%	-5.2%	Q2 2014
CSCOCisco Systems, Inc.	$1.41M	0.97%	0.00%	Not reported	Q2 2014
CURICuriosityStream Inc.	$1.32M	0.91%	0.59%	-0.4%	Q4 2024
TRGPTarga Resources Corp.	$1.3M	0.89%	0.00%	-21.1%	Q2 2014
SYFSynchrony Financial	$1.29M	0.89%	0.00%	-14.8%	Q3 2018
ACLSAxcelis Technologies Inc	$1.28M	0.88%	0.05%	-5.9%	Q2 2014
VZVerizon Communications Inc	$1.27M	0.87%	0.00%	-6.3%	Q2 2014
ETEnergy Transfer LP	$1.23M	0.85%	0.00%	-8.7%	Q4 2021
ABNBAirbnb, Inc.	$1.21M	0.84%	Not reported	+1.1%	Q4 2022
ABBVAbbVie Inc.	$1.2M	0.82%	0.00%	-0.8%	Q2 2014
DVDoubleVerify Holdings, Inc.	$1.18M	0.81%	0.06%	New	Q4 2025
SPYSPDR S&P 500 ETF Trust	$1.17M	0.81%	Not reported	-4.2%	Q2 2014
WMBWilliams Companies, Inc.	$1.15M	0.79%	0.00%	-0.8%	Q2 2014
QQQInvesco QQQ Trust, Series 1	$1.15M	0.79%	Not reported	-3.9%	Q3 2018
DAIOData I/O Corp	$1.13M	0.78%	3.80%	+1.2%	Q2 2014
METAMeta Platforms, Inc.	$1.12M	0.77%	Not reported	Not reported	Q3 2014
FNFFidelity National Financial, Inc.	$1.11M	0.77%	0.01%	-14.7%	Q2 2014
HESMHess Midstream LP	$1.04M	0.72%	0.02%	+30.5%	Q2 2018
NVDANvidia Corp	$974K	0.67%	0.00%	Not reported	Q1 2025
USACUSA Compression Partners, LP	$944K	0.65%	0.03%	+5.7%	Q4 2019
FBPFirst Bancorp	$931K	0.64%	0.03%	-14.6%	Q2 2014
COHUCohu Inc	$891K	0.61%	0.08%	-22.6%	Q4 2021
ASURAsure Software Inc	$841K	0.58%	0.32%	-1.6%	Q4 2023
OKEOneok Inc	$831K	0.57%	0.00%	-0.9%	Q2 2014
MRVLMarvell Technology, Inc.	$827K	0.57%	0.00%	-0.1%	Q3 2025
NPKINPK International Inc.	$802K	0.55%	0.07%	-2.0%	Q4 2023
NVSNovartis AG	$773K	0.53%	0.00%	Not reported	Q2 2014
PARPar Technology Corp	$719K	0.50%	0.05%	+55.4%	Q2 2024
SGOLabrdn Gold ETF Trust	$705K	0.49%	0.01%	-4.4%	Q1 2025

Q3 2025Reported Oct 22, 2025101 positions
NVONovo Nordisk A S	$17.3M	12.07%	Not reported	-50.0%	Q2 2014
MSFTMicrosoft Corp	$12.6M	8.79%	0.00%	-52.3%	Q2 2014
AMZNAmazon Com Inc	$11.4M	7.93%	0.00%	-50.1%	Q2 2014
MCOMoodys Corp	$6.5M	4.54%	0.01%	-50.0%	Q2 2014
GOOGLAlphabet Inc.	$5.63M	3.93%	0.00%	-50.0%	Q1 2016
GOOGAlphabet Inc.	$5.53M	3.86%	Not reported	-54.1%	Q1 2016
PLPlanet Labs PBC	$4.08M	2.85%	0.12%	-56.4%	Q2 2023
TRIThomson Reuters Corp	$3.86M	2.69%	0.01%	-50.0%	Q2 2014
AEHRAehr Test Systems	$3.5M	2.44%	0.39%	-30.7%	Q4 2023
ALKTAlkami Technology, Inc.	$3.08M	2.15%	0.12%	+54.8%	Q3 2023
PLABPhotronics Inc	$2.56M	1.78%	0.19%	-43.9%	Q4 2017
BXBlackstone Inc.	$2.53M	1.77%	0.00%	-51.3%	Q2 2014
SASeabridge Gold Inc	$2.33M	1.63%	0.11%	-50.7%	Q2 2014
SONYSony Group Corp	$1.97M	1.38%	0.00%	-50.0%	Q2 2014
VMDViemed Healthcare, Inc.	$1.85M	1.29%	0.72%	-29.6%	Q1 2023
ADPAutomatic Data Processing Inc	$1.85M	1.29%	0.00%	-50.0%	Q2 2014
CURICuriosityStream Inc.	$1.85M	1.29%	0.60%	+47.5%	Q4 2024
ELVAElectrovaya Inc.	$1.81M	1.27%	0.73%	-37.2%	Q4 2024
NNYNuveen New York Municipal Value Fund	$1.77M	1.23%	Not reported	-50.0%	Q2 2014
BRK.BBerkshire Hathaway Inc	$1.7M	1.18%	Not reported	-49.5%	Q2 2014
ACLSAxcelis Technologies Inc	$1.65M	1.15%	0.05%	-53.8%	Q2 2014
BPOPPopular, Inc.	$1.59M	1.11%	0.02%	-53.0%	Q2 2014
TRGPTarga Resources Corp.	$1.49M	1.04%	0.00%	-63.9%	Q2 2014
VZVerizon Communications Inc	$1.46M	1.02%	0.00%	-50.3%	Q2 2014
FNFFidelity National Financial, Inc.	$1.44M	1.01%	0.01%	-55.1%	Q2 2014
MESOMesoblast Ltd	$1.41M	0.99%	0.01%	-50.0%	Q4 2017
VETVermilion Energy Inc.	$1.4M	0.98%	0.12%	-50.6%	Q4 2017
ETEnergy Transfer LP	$1.4M	0.98%	0.00%	-50.8%	Q4 2021
SYFSynchrony Financial	$1.29M	0.90%	0.01%	-53.5%	Q3 2018
CSCOCisco Systems, Inc.	$1.26M	0.88%	0.00%	-50.0%	Q2 2014
METAMeta Platforms, Inc.	$1.25M	0.87%	Not reported	-50.0%	Q3 2014
WMBWilliams Companies, Inc.	$1.22M	0.85%	0.00%	-51.1%	Q2 2014
ABBVAbbVie Inc.	$1.22M	0.85%	0.00%	-50.0%	Q2 2014
SPYSPDR S&P 500 ETF Trust	$1.2M	0.83%	Not reported	-56.0%	Q2 2014
DAIOData I/O Corp	$1.18M	0.82%	3.76%	-43.0%	Q2 2014
QQQInvesco QQQ Trust, Series 1	$1.17M	0.82%	Not reported	-51.3%	Q3 2018
FBPFirst Bancorp	$1.16M	0.81%	0.03%	-50.9%	Q2 2014
ABNBAirbnb, Inc.	$1.07M	0.75%	Not reported	-50.0%	Q4 2022
COHUCohu Inc	$1.01M	0.70%	0.10%	-44.4%	Q4 2021
NVDANvidia Corp	$975K	0.68%	0.00%	-50.0%	Q1 2025
USACUSA Compression Partners, LP	$932K	0.65%	0.03%	-50.4%	Q4 2019
OKEOneok Inc	$833K	0.58%	0.00%	-51.1%	Q2 2014
MRVLMarvell Technology, Inc.	$819K	0.57%	0.00%	New	Q3 2025
HESMHess Midstream LP	$796K	0.56%	0.02%	-50.0%	Q2 2018
NPKINPK International Inc.	$776K	0.54%	0.08%	-54.3%	Q4 2023
ASURAsure Software Inc	$743K	0.52%	0.33%	-52.9%	Q4 2023
NVSNovartis AG	$719K	0.50%	0.00%	-50.7%	Q2 2014
EMREmerson Electric Co	$708K	0.49%	0.00%	-50.0%	Q2 2014
SHELShell plc	$672K	0.47%	0.00%	-51.3%	Q1 2022
SGOLabrdn Gold ETF Trust	$661K	0.46%	0.01%	-33.7%	Q1 2025

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