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Latest Penbrook Management LLC Stock Portfolio

$156Million | No. of Holdings #101

Penbrook Management LLC Performance

2026 Q2+16.59%
YTD+10.54%
2025+4.29%

About Penbrook Management LLC and 13F Hedge Fund Stock Holdings

On 2026-07-23, the fund reported it's updated stock portfolio. In the 13F Holdings report, Penbrook Management LLC reported an equity portfolio of $156.8 Millions as of 30 Jun, 2026. <br><br> The top stock holdings of Penbrook Management LLC are NVO, AMZN, GOOG. The fund has invested 9.7% of it's portfolio in NOVO-NORDISK A S ADR and 7.9% of portfolio in AMAZON COM INC. <br><br> The fund managers got completely rid off SEABRIDGE GOLD INC COM (SA), THOMSON REUTERS CORP COM (TRI) and EXXON MOBIL CORP COM (XOM) stocks. They significantly reduced their stock positions in AEHR TEST SYS (AEHR), BACKBLAZE INC COM CL A (BLZE) and KOPIN CORP (KOPN). Penbrook Management LLC opened new stock positions in SEABRIDGE GOLD INC, ALLOT LTD SHS (ALLT) and THOMSON REUTERS CORP (TRI). The fund showed a lot of confidence in some stocks as they added substantially to HERCULES CAPITAL INC (HTGC), BIOLIFE SOLUTIONS INC (BLFS) and AQUESTIVE THERAPEUTICS INC (AQST).
Penbrook Management LLC Equity Portfolio Value
Last Reported on: 23 Jul, 2026
$156Million
  as of Jul 23, 2026

Penbrook Management LLC Annual Return Estimates Vs S&P 500

Our best estimate is that Penbrook Management LLC made a return of 16.59% in the last quarter. In trailing 12 months, it's portfolio return was 21.43%.
  • Performance
  • S&P 500

New Buys

Ticker$ Bought
seabridge gold inc2,854,950
allot ltd shs2,436,360
thomson reuters corp1,990,820
baytex energy corp1,597,400
ishares 20 year treasury bond etf476,174
amplitude inc com cl a372,593
rithm capital corp368,088
teradyne inc290,304
New stocks bought by Penbrook Management LLC

Additions

Ticker% Inc.
hercules capital inc95.13
biolife solutions inc71.47
aquestive therapeutics inc69.37
par technology corp50.27
iovance biotherapeutics inc45.94
golub cap bdc inc23.02
curiositystream inc com cl a13.28
electrovaya inc10.45
Additions to existing portfolio by Penbrook Management LLC

Reductions

Ticker% Reduced
aehr test sys-93.46
backblaze inc com cl a-25.57
kopin corp-22.95
planet labs pbc com cl a-22.72
one stop sys inc-16.83
axcelis technologies inc-9.92
photronics inc-7.93
fidelity natl finl inc-5.45
Penbrook Management LLC reduced stake in above stock

Sold off

Ticker$ Sold
seabridge gold inc com-2,720,360
thomson reuters corp com-2,229,160
exagen inc com-39,990
nike inc cl b-209,167
exxon mobil corp com-217,164
Penbrook Management LLC got rid off the above stocks

Sector Distribution

Penbrook Management LLC has about 27.3% of it's holdings in Others sector.

  • Others
  • Technology
  • Communication Services
  • Consumer Cyclical
  • Energy
  • Financial Services
  • Healthcare
  • Industrials
Sector%
Others27.3
Technology22.2
Communication Services14.6
Consumer Cyclical8.8
Energy7.6
Financial Services7.2
Healthcare6.2
Industrials5.3

Market Cap. Distribution

Penbrook Management LLC has about 43.7% of it's portfolio invested in the large-cap and mega-cap stocks.

  • MEGA-CAP
  • UNALLOCATED
  • SMALL-CAP
  • LARGE-CAP
  • MID-CAP
  • MICRO-CAP
Category%
MEGA-CAP28.7
UNALLOCATED27.3
SMALL-CAP15.3
LARGE-CAP15
MID-CAP9.6
MICRO-CAP3.3

Stocks belong to which Index?

About 60.9% of the stocks held by Penbrook Management LLC either belong to S&P 500 or RUSSELL 2000 index.

  • S&P 500
  • Others
  • RUSSELL 2000
Index%
S&P 50039.8
Others39.1
RUSSELL 200021.1
Top 5 Winners (%)%
BLZE
backblaze inc com cl a
313.7 %
MRVL
marvell technology inc
200.8 %
OSS
one stop sys inc
128.4 %
EXTR
extreme networks inc
113.9 %
KLIC
kulicke & soffa inds inc
103.5 %
Top 5 Winners ($)$
NVO
novo-nordisk a s adr
3.5 M
AEHR
aehr test sys
2.5 M
MRVL
marvell technology inc
1.9 M
GOOG
alphabet inc cap stk cl a
1.6 M
AMZN
amazon com inc
1.6 M
Top 5 Losers (%)%
VET
vermilion energy inc
-31.9 %
COP
conocophillips
-21.2 %
CVX
chevron corporation
-19.9 %
REGN
regeneron pharmaceuticals
-19.3 %
PLAB
photronics inc
-18.7 %
Top 5 Losers ($)$
VET
vermilion energy inc
-0.9 M
PLAB
photronics inc
-0.7 M
VZ
verizon communications inc
-0.2 M
CURI
curiositystream inc com cl a
-0.2 M
MESO
mesoblast ltd spons adr
-0.2 M

Penbrook Management LLC Holdings Map

This heatmap illustrates the top 50 positions within the fund's portfolio.

Current Stock Holdings of Penbrook Management LLC

Penbrook Management LLC has 101 stocks in it's portfolio. About 45.1% of the portfolio is in top 10 stocks. VET proved to be the most loss making stock for the portfolio. NVO was the most profitable stock for Penbrook Management LLC last quarter.

$156.78MTotal Value
106Positions
23 Jul, 2026Last Reported
Current holdings of Current Stock Holdings of Penbrook Management LLC, last reported on 23 Jul, 2026. Select a row with a linked ticker to view its historical trend.
ExpandHoldingsorted ascending% PortfolioShares Held$ Value% Change
ALLT
Allot Ltd Shs

Allot Ltd Shs

ALLT
Penbrook Management LLC's holding in Allot Ltd Shs over time
1.55%275,295
$2.44M
1.55%
new position
BBAX
Jpmorgan Equity Premium Income Etf

Jpmorgan Equity Premium Income Etf

BBAX
Penbrook Management LLC's holding in Jpmorgan Equity Premium Income Etf over time
0.15%4,225
$238.6K
0.15%
unchanged 0 percentunchanged
BIL
State Street Spdr Portfolio S&P 500 Etf

State Street Spdr Portfolio S&P 500 Etf

BIL
Penbrook Management LLC's holding in State Street Spdr Portfolio S&P 500 Etf over time
0.17%3,075
$270.2K
0.17%
decreased 3.3 percentreduced