Sponsored

The Analysis of Penbrook Management LLC's Holdings & P&L

Currently, Penbrook Management LLC holds 93 types of securities in its portfolio with a total value $132.1M. In the most recent quarter, they have increased their positions in PRTA (+271.7K shares, valued at $2.6M), EXTR (+83.5K shares, valued at $1.3M), CYRX (+132.9K shares, valued at $1.1M); decreased their positions in PL (-189.4K shares, valued at $5.3M), AEHR (-35.4K shares, valued at $1.3M), BPOP (-6.3K shares, valued at $852.0K); initiated new positions in PRTA (+271.7K shares, valued at $2.6M), EXTR (+83.5K shares, valued at $1.3M), COP (+2.0K shares, valued at $267.3K).

1M P&L

+7.7M+6.40%

3M P&L

+18.8M+17.11%

HY P&L

+23.1M+21.95%

P&L figures are estimated based on reported 13F stock holdings and market price changes. They are approximations and may not reflect actual fund performance. Stock split events may also affect the accuracy of these calculations, and we cannot guarantee that all splits have been fully accounted for.

Top Holding Treemap

Top Industries by Value

1Drug Manufacturers - General14.0M

12.8%

2Internet Retail10.8M

9.9%

3Software - Infrastructure8.8M

8.1%

Top Industries by Stock Count

1Oil & Gas Midstream8 stocks

9.8%

2N/A8 stocks

9.8%

3Software - Application5 stocks

6.1%

Sponsored

Stock Holdings

TickerCompany NameSharesShares △%Event DateReport DateHistory

NVO NOVO-NORDISK A S ADR316.2K shares-0.06%2026-03-312026-04-21

AMZN AMAZON COM INC COM51.8K shares0.00%2026-03-312026-04-21

MSFT MICROSOFT CORP COM22.2K shares-2.22%2026-03-312026-04-21

ALPHABET INC CAP STK CL A ALPHABET INC CAP STK CL A23.2K shares0.00%2026-03-312026-04-21

ALPHABET INC CAP STK CL C ALPHABET INC CAP STK CL C22.6K shares0.00%2026-03-312026-04-21

MCO MOODYS CORP COM13.6K shares0.00%2026-03-312026-04-21

PLAB PHOTRONICS INC COM96.7K shares-12.60%2026-03-312026-04-21

PL PLANET LABS PBC COM CL A105.9K shares-64.14%2026-03-312026-04-21

Sponsored

AEHR AEHR TEST SYS COM79.5K shares-30.80%2026-03-312026-04-21

SA SEABRIDGE GOLD INC COM96.0K shares0.00%2026-03-312026-04-21

VET VERMILION ENERGY INC COM197.8K shares0.00%2026-03-312026-04-21

PRTA PROTHENA CORP PLC SHS271.7K sharesnew addition2026-03-312026-04-21

VMD VIEMED HEALTHCARE INC COM272.4K shares0.31%2026-03-312026-04-21

ELVA ELECTROVAYA INC COM NEW295.4K shares-15.58%2026-03-312026-04-21

THOMSON REUTERS CORP COM THOMSON REUTERS CORP COM24.8K shares-0.70%2026-03-312026-04-21

BLACKSTONE INC COM BLACKSTONE INC COM18.1K shares22.64%2026-03-312026-04-21

Sponsored

ALKT ALKAMI TECHNOLOGY INC COM127.7K shares0.00%2026-03-312026-04-21

CURI CURIOSITYSTREAM INC COM CL A675.1K shares94.40%2026-03-312026-04-21

NNY NUVEEN N Y MUN VALUE FD COM213.7K shares0.00%2026-03-312026-04-21

TRGP TARGA RES CORP COM6.9K shares-1.94%2026-03-312026-04-21

BERKSHIRE HATHAWAY INC DEL CL B NEW BERKSHIRE HATHAWAY INC DEL CL B NEW3.3K shares-1.49%2026-03-312026-04-21

CYRX CRYOPORT INC COM PAR $0.001185.8K shares251.61%2026-03-312026-04-21

VZ VERIZON COMMUNICATIONS INC COM29.9K shares-3.97%2026-03-312026-04-21

ET ENERGY TRANSFER L P COM UT LTD PTN74.5K shares0.00%2026-03-312026-04-21

Sponsored

CSCO CISCO SYS INC COM18.4K shares0.00%2026-03-312026-04-21

SONY SONY GROUP CORP SPONSORED ADR68.5K shares0.00%2026-03-312026-04-21

WMB WILLIAMS COS INC COM19.1K shares0.00%2026-03-312026-04-21

MESOBLAST LTD SPONS ADR MESOBLAST LTD SPONS ADR87.1K shares-0.57%2026-03-312026-04-21

MGNI MAGNITE INC COM112.2K shares260.57%2026-03-312026-04-21

ADP AUTOMATIC DATA PROCESSING INC COM6.3K shares0.00%2026-03-312026-04-21

EXTR EXTREME NETWORKS INC COM83.5K sharesnew addition2026-03-312026-04-21

HESM HESS MIDSTREAM LP CL A SHS30.1K shares0.00%2026-03-312026-04-21

Sponsored

ABNB AIRBNB INC COM CL A8.9K shares0.00%2026-03-312026-04-21

ACLS AXCELIS TECHNOLOGIES INC COM NEW12.1K shares-23.91%2026-03-312026-04-21

ABBV ABBVIE INC COM5.2K shares-1.15%2026-03-312026-04-21

USAC USA COMPRESSION PARTNERS LP COM UNIT LTDPAR41.0K shares0.00%2026-03-312026-04-21

SPY STATE STREET SPDR S&P 500 ETF1.6K shares-6.69%2026-03-312026-04-21

OKE ONEOK INC NEW COM11.3K shares0.00%2026-03-312026-04-21

DV DOUBLEVERIFY HLDGS INC COM102.9K shares0.00%2026-03-312026-04-21

NPKI NPK INTERNATIONAL INC COM SHS67.3K shares0.00%2026-03-312026-04-21

Sponsored

META META PLATFORMS INC CL A1.7K shares0.00%2026-03-312026-04-21

MARVELL TECHNOLOGY INC COM MARVELL TECHNOLOGY INC COM9.7K shares0.00%2026-03-312026-04-21

NVDA NVIDIA CORPORATION COM5.2K shares0.00%2026-03-312026-04-21

DAIO DATA I O CORP COM356.9K shares0.00%2026-03-312026-04-21

SHEL SHELL PLC SPON ADS9.4K shares0.00%2026-03-312026-04-21

NVS NOVARTIS AG SPONSORED ADR5.5K shares-1.25%2026-03-312026-04-21

CVE CENOVUS ENERGY INC COM29.9K shares0.00%2026-03-312026-04-21

ASUR ASURE SOFTWARE INC COM89.6K shares0.45%2026-03-312026-04-21

Sponsored

ABRDN PHYSICAL GOLD SHARES ETF ABRDN PHYSICAL GOLD SHARES ETF17.2K shares0.00%2026-03-312026-04-21

BPOP POPULAR INC COM NEW5.5K shares-53.59%2026-03-312026-04-21

EMR EMERSON ELEC CO COM5.3K shares0.00%2026-03-312026-04-21

WES WESTERN MIDSTREAM PARTNERS LP COM UNIT LP INT15.9K shares0.00%2026-03-312026-04-21

RRC RANGE RES CORP COM14.2K shares0.00%2026-03-312026-04-21

REGN REGENERON PHARMACEUTICALS COM785 shares-1.51%2026-03-312026-04-21

INVESCO QQQ TRUST SERIES I INVESCO QQQ TRUST SERIES I925 shares-50.53%2026-03-312026-04-21

LINC LINCOLN EDL SVCS CORP COM12.7K shares-25.17%2026-03-312026-04-21

Sponsored

FBP FIRST BANCORP CORPORATION COM NEW23.5K shares-47.66%2026-03-312026-04-21

PIM PUTNAM MASTER INTER INCOME TR SH BEN INT147.1K shares0.00%2026-03-312026-04-21

PAR PAR TECHNOLOGY CORP COM35.8K shares80.55%2026-03-312026-04-21

POWI POWER INTEGRATIONS INC COM9.2K shares0.00%2026-03-312026-04-21

KLIC KULICKE & SOFFA INDS INC COM7.1K shares0.00%2026-03-312026-04-21

BLFS BIOLIFE SOLUTIONS INC COM NEW23.2K shares0.87%2026-03-312026-04-21

DMLP DORCHESTER MINERALS L P COM UNIT16.2K shares0.00%2026-03-312026-04-21

EPD ENTERPRISE PRODS PARTNERS L P COM11.4K shares0.00%2026-03-312026-04-21

Sponsored

FNF FIDELITY NATL FINL INC COM SHS9.2K shares-54.88%2026-03-312026-04-21

AAPL APPLE INC COM1.5K shares0.00%2026-03-312026-04-21

BMY BRISTOL-MYERS SQUIBB CO COM6.3K shares0.00%2026-03-312026-04-21

OSS ONE STOP SYS INC COM46.7K shares0.00%2026-03-312026-04-21

PAYS PAYSIGN INC COM55.8K shares80.97%2026-03-312026-04-21

INVESCO S&P 500 EQUAL WEIGHT ETF INVESCO S&P 500 EQUAL WEIGHT ETF1.7K shares0.00%2026-03-312026-04-21

IBM INTERNATIONAL BUSINESS MACHS COM1.3K shares-21.14%2026-03-312026-04-21

CVX CHEVRON CORPORATION COM1.4K shares0.00%2026-03-312026-04-21

Sponsored

COP CONOCOPHILLIPS COM2.0K sharesnew addition2026-03-312026-04-21

KOPN KOPIN CORP COM114.6K shares-0.35%2026-03-312026-04-21

BLZE BACKBLAZE INC COM CL A72.2K shares1.12%2026-03-312026-04-21

SPYM STATE STREET SPDR PORTFOLIO S&P 500 ETF3.2K shares-0.63%2026-03-312026-04-21

UTG REAVES UTIL INCOME FD COM SH BEN INT6.1K shares1.66%2026-03-312026-04-21

JEPI JPMORGAN EQUITY PREMIUM INCOME ETF4.2K shares0.00%2026-03-312026-04-21

AM ANTERO MIDSTREAM CORP COM9.9K sharesnew addition2026-03-312026-04-21

TTI TETRA TECHNOLOGIES INC DEL COM26.4K shares-39.94%2026-03-312026-04-21

Sponsored

HTGC HERCULES CAPITAL INC COM15.1K shares1.98%2026-03-312026-04-21

XOM EXXON MOBIL CORP COM1.3K sharesnew addition2026-03-312026-04-21

NKE NIKE INC CL B4.0K shares1.93%2026-03-312026-04-21

MERCK & CO INC COM MERCK & CO INC COM1.7K sharesnew addition2026-03-312026-04-21

VKQ INVESCO MUNICIPAL TRUST COM20.0K shares0.00%2026-03-312026-04-21

GBDC GOLUB CAP BDC INC COM14.7K shares-38.01%2026-03-312026-04-21

NUV NUVEEN MUN VALUE FD INC COM20.0K shares0.00%2026-03-312026-04-21

IOVA IOVANCE BIOTHERAPEUTICS INC COM42.4K shares25.04%2026-03-312026-04-21

Sponsored

DX DYNEX CAP INC COM10.1K sharesnew addition2026-03-312026-04-21

AQST AQUESTIVE THERAPEUTICS INC COM25.6K shares-39.36%2026-03-312026-04-21

ONDS ONDAS INC COM NEW10.0K shares0.00%2026-03-312026-04-21

PROF PROFOUND MED CORP COM NEW12.3K sharesnew addition2026-03-312026-04-21

XGN EXAGEN INC COM13.3K shares-0.74%2026-03-312026-04-21

NVO

NOVO-NORDISK A S ADR

-0.06%

Shares316.2K

Event2026-03-31

Filed2026-04-21

AMZN

AMAZON COM INC COM

0.00%

Shares51.8K

Event2026-03-31

Filed2026-04-21

MSFT

MICROSOFT CORP COM

-2.22%

Shares22.2K

Event2026-03-31

Filed2026-04-21

ALPHABET INC CAP STK CL A

0.00%

Shares23.2K

Event2026-03-31

Filed2026-04-21

ALPHABET INC CAP STK CL C

0.00%

Shares22.6K

Event2026-03-31

Filed2026-04-21

MCO

MOODYS CORP COM

0.00%

Shares13.6K

Event2026-03-31

Filed2026-04-21

PLAB

PHOTRONICS INC COM

-12.60%

Shares96.7K

Event2026-03-31

Filed2026-04-21

PLANET LABS PBC COM CL A

-64.14%

Shares105.9K

Event2026-03-31

Filed2026-04-21

AEHR

AEHR TEST SYS COM

-30.80%

Shares79.5K

Event2026-03-31

Filed2026-04-21

SEABRIDGE GOLD INC COM

0.00%

Shares96.0K

Event2026-03-31

Filed2026-04-21

VET

VERMILION ENERGY INC COM

0.00%

Shares197.8K

Event2026-03-31

Filed2026-04-21

PRTA

PROTHENA CORP PLC SHS

New

Shares271.7K

Event2026-03-31

Filed2026-04-21

VMD

VIEMED HEALTHCARE INC COM

0.31%

Shares272.4K

Event2026-03-31

Filed2026-04-21

ELVA

ELECTROVAYA INC COM NEW

-15.58%

Shares295.4K

Event2026-03-31

Filed2026-04-21

THOMSON REUTERS CORP COM

-0.70%

Shares24.8K

Event2026-03-31

Filed2026-04-21

BLACKSTONE INC COM

22.64%

Shares18.1K

Event2026-03-31

Filed2026-04-21

ALKT

ALKAMI TECHNOLOGY INC COM

0.00%

Shares127.7K

Event2026-03-31

Filed2026-04-21

CURI

CURIOSITYSTREAM INC COM CL A

94.40%

Shares675.1K

Event2026-03-31

Filed2026-04-21

NNY

NUVEEN N Y MUN VALUE FD COM

0.00%

Shares213.7K

Event2026-03-31

Filed2026-04-21

TRGP

TARGA RES CORP COM

-1.94%

Shares6.9K

Event2026-03-31

Filed2026-04-21

BERKSHIRE HATHAWAY INC DEL CL B NEW

-1.49%

Shares3.3K

Event2026-03-31

Filed2026-04-21

CYRX

CRYOPORT INC COM PAR $0.001

251.61%

Shares185.8K

Event2026-03-31

Filed2026-04-21

VERIZON COMMUNICATIONS INC COM

-3.97%

Shares29.9K

Event2026-03-31

Filed2026-04-21

ENERGY TRANSFER L P COM UT LTD PTN

0.00%

Shares74.5K

Event2026-03-31

Filed2026-04-21

CSCO

CISCO SYS INC COM

0.00%

Shares18.4K

Event2026-03-31

Filed2026-04-21

SONY

SONY GROUP CORP SPONSORED ADR

0.00%

Shares68.5K

Event2026-03-31

Filed2026-04-21

WMB

WILLIAMS COS INC COM

0.00%

Shares19.1K

Event2026-03-31

Filed2026-04-21

MESOBLAST LTD SPONS ADR

-0.57%

Shares87.1K

Event2026-03-31

Filed2026-04-21

MGNI

MAGNITE INC COM

260.57%

Shares112.2K

Event2026-03-31

Filed2026-04-21

ADP

AUTOMATIC DATA PROCESSING INC COM

0.00%

Shares6.3K

Event2026-03-31

Filed2026-04-21

EXTR

EXTREME NETWORKS INC COM

New

Shares83.5K

Event2026-03-31

Filed2026-04-21

HESM

HESS MIDSTREAM LP CL A SHS

0.00%

Shares30.1K

Event2026-03-31

Filed2026-04-21

ABNB

AIRBNB INC COM CL A

0.00%

Shares8.9K

Event2026-03-31

Filed2026-04-21

ACLS

AXCELIS TECHNOLOGIES INC COM NEW

-23.91%

Shares12.1K

Event2026-03-31

Filed2026-04-21

ABBV

ABBVIE INC COM

-1.15%

Shares5.2K

Event2026-03-31

Filed2026-04-21

USAC

USA COMPRESSION PARTNERS LP COM UNIT LTDPAR

0.00%

Shares41.0K

Event2026-03-31

Filed2026-04-21

SPY

STATE STREET SPDR S&P 500 ETF

-6.69%

Shares1.6K

Event2026-03-31

Filed2026-04-21

OKE

ONEOK INC NEW COM

0.00%

Shares11.3K

Event2026-03-31

Filed2026-04-21

DOUBLEVERIFY HLDGS INC COM

0.00%

Shares102.9K

Event2026-03-31

Filed2026-04-21

NPKI

NPK INTERNATIONAL INC COM SHS

0.00%

Shares67.3K

Event2026-03-31

Filed2026-04-21