Latest Penbrook Management LLC Stock Portfolio

Penbrook Management LLC Performance:

2026 Q1: -5.19%YTD: -5.19%2025: 4.29%

Performance for 2026 Q1 is -5.19%, and YTD is -5.19%, and 2025 is 4.29%.

About Penbrook Management LLC and 13F Hedge Fund Stock Holdings

On 2026-04-21, the fund reported it's updated stock portfolio. In the 13F Holdings report, Penbrook Management LLC reported an equity portfolio of $132.1 Millions as of 31 Mar, 2026.

The top stock holdings of Penbrook Management LLC are NVO, AMZN, MSFT. The fund has invested 8.8% of it's portfolio in NOVO-NORDISK A S ADR and 8.2% of portfolio in AMAZON COM INC COM.

The fund managers got completely rid off SYNCHRONY FINANCIAL COM (SYF), COHU INC COM (COHU) and GLOBAL PMTS INC (GPN) stocks. They significantly reduced their stock positions in PLANET LABS PBC COM CL A (PL), FIDELITY NATL FINL INC COM SHS (FNF) and POPULAR INC COM NEW (BPOP). Penbrook Management LLC opened new stock positions in PROTHENA CORP PLC SHS (PRTA), EXTREME NETWORKS INC COM (EXTR) and CONOCOPHILLIPS COM (COP). The fund showed a lot of confidence in some stocks as they added substantially to MAGNITE INC COM (MGNI), CRYOPORT INC COM PAR $0.001 (CYRX) and CURIOSITYSTREAM INC COM CL A (CURI).

Penbrook Management LLC Annual Return Estimates Vs S&P 500

Our best estimate is that Penbrook Management LLC made a return of -5.19% in the last quarter. In trailing 12 months, it's portfolio return was 7.57%.

Performance
S&P 500

New Buys

Ticker	$ Bought
prothena corp plc shs	2,641,120
extreme networks inc com	1,259,560
conocophillips com	267,300
antero midstream corp com	225,720
exxon mobil corp com	217,164
merck & co inc com	204,493
dynex cap inc com	128,238
profound med corp com new	79,704

New stocks bought by Penbrook Management LLC

Additions

Ticker	% Inc.
magnite inc com	260
cryoport inc com par $0.001	251
curiositystream inc com cl a	94.4
paysign inc com	80.97
par technology corp com	80.55
iovance biotherapeutics inc com	25.04
blackstone inc com	22.64
hercules capital inc com	1.98

Additions to existing portfolio by Penbrook Management LLC

Reductions

Ticker	% Reduced
planet labs pbc com cl a	-64.14
fidelity natl finl inc com shs	-54.88
popular inc com new	-53.59
invesco qqq trust series i	-50.53
first bancorp corporation com new	-47.66
tetra technologies inc del com	-39.94
aquestive therapeutics inc com	-39.36
golub cap bdc inc com	-38.01

Penbrook Management LLC reduced stake in above stock

Sold off

Ticker	$ Sold
cohu inc com	-891,241
mfs inter income tr sh ben int	-48,938
synchrony financial com	-1,293,160
btq technologies corp com	-54,118
barrett business svcs inc com	-318,648
triple flag precious metal com	-202,277
global pmts inc	-395,901
first amern finl corp com	-264,192

Penbrook Management LLC got rid off the above stocks

Sector Distribution

Penbrook Management LLC has about 26.2% of it's holdings in Others sector.

Sector	%
Others	26.2
Technology	21.8
Communication Services	14.3
Energy	9.3
Consumer Cyclical	9.2
Financial Services	7.6
Healthcare	6.2
Industrials	4.9

Market Cap. Distribution

Penbrook Management LLC has about 45.7% of it's portfolio invested in the large-cap and mega-cap stocks.

Category	%
MEGA-CAP	29.9
UNALLOCATED	26.2
LARGE-CAP	15.8
SMALL-CAP	14.2
MID-CAP	10.4
MICRO-CAP	2.8

Stocks belong to which Index?

About 63.6% of the stocks held by Penbrook Management LLC either belong to S&P 500 or RUSSELL 2000 index.

Index	%
S&P 500	42.6
Others	36.5
RUSSELL 2000	21

Top 5 Winners (%)		%
AEHR	aehr test sys com	70.8 %
VET	vermilion energy inc com	64.9 %
LINC	lincoln edl svcs corp com	59.8 %
CVE	cenovus energy inc com	56.8 %
KLIC	kulicke & soffa inds inc com	44.3 %

Top 5 Winners ($)		$
PL	planet labs pbc com cl a	1.7 M
AEHR	aehr test sys com	1.6 M
VET	vermilion energy inc com	1.1 M
PLAB	photronics inc com	0.9 M
VMD	viemed healthcare inc com	0.5 M

Top 5 Losers (%)		%
PAR	par technology corp com	-57.2 %
XGN	exagen inc com	-50.5 %
ALKT	alkami technology inc com	-32.1 %
TRI	thomson reuters corp com	-31.8 %
AQST	aquestive therapeutics inc com	-28.7 %

Top 5 Losers ($)		$
NVO	novo-nordisk a s adr	-4.5 M
MSFT	microsoft corp com	-2.6 M
AMZN	amazon com inc com	-1.2 M
TRI	thomson reuters corp com	-1.0 M
MCO	moodys corp com	-1.0 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 93 stocks in it's portfolio. About 47.1% of the portfolio is in top 10 stocks. NVO proved to be the most loss making stock for the portfolio. PL was the most profitable stock for Penbrook Management LLC last quarter.

Last Reported on: 21 Apr, 2026

Ticker	Namesorted ascending	% Portfolio	Shares Held	$ Value	Type	% Change
AAPL	apple inc com	0.29	1,529	388,044	unchanged	0.00

ABBV	abbvie inc com	0.85	5,170	1,124,420	reduced	-1.15

ABNB	airbnb inc com cl a	0.86	8,950	1,130,210	unchanged	0.00

ACLS	axcelis technologies inc com new	0.85	12,095	1,125,800	reduced	-23.91

ADP	automatic data processing inc com	0.97	6,300	1,280,030	unchanged	0.00

AEHR	aehr test sys com	2.23	79,515	2,948,420	reduced	-30.8

AFL	aflac inc com	0.00	0.00	0.00	sold off	-100

ALKT	alkami technology inc com	1.51	127,685	2,000,820	unchanged	0.00

AM	antero midstream corp com	0.17	9,900	225,720	new

AMZN	amazon com inc com	8.16	51,760	10,780,100	unchanged	0.00

AQST	aquestive therapeutics inc com	0.08	25,565	106,094	reduced	-39.36

ASUR	asure software inc com	0.58	89,635	770,861	added	0.45

BBAX	jpmorgan equity premium income etf	0.18	4,225	239,473	unchanged	0.00

BBSI	barrett business svcs inc com	0.00	0.00	0.00	sold off	-100

BIL	state street spdr portfolio s&p 500 etf	0.18	3,180	243,397	reduced	-0.62

BLFS	biolife solutions inc com new	0.34	23,155	441,797	added	0.87

BLZE	backblaze inc com cl a	0.19	72,150	248,917	added	1.12

BMY	bristol-myers squibb co com	0.29	6,250	379,062	unchanged	0.00

BPOP	popular inc com new	0.56	5,500	737,935	reduced	-53.59

BX	blackstone inc com	1.58	18,150	2,087,070	added	22.64