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Penbrook Management Portfolio holdings

AUM $169M Turnover 8.49%
1-Year Est. Return 32.52%
This Fund
S&P 500
This Quarter Est. Return
+24.85%
1 Year Est. Return
+32.52%
3 Year Est. Return
+106.62%
5 Year Est. Return
+155.24%
10 Year Est. Return
–
AUM
$157M
AUM Growth
+$24.7M
Cap. Flow
-$334K
Cap. Flow %
-0.21%
Top 10 Hldgs %
45.13%
Holding
104
New
11
Increased
18
Reduced
23
Closed
3
Avg Time Held
5.6 years
Top 10 Avg Time Held
5.1 years
Top 20 Avg Time Held
3.8 years

Top Buys

Rank Stock Value
1
ALLT icon
Allot
ALLT
+$2.05M
2
BTE icon
Baytex Energy
BTE
+$1.84M
3
TLT icon
iShares 20+ Year Treasury Bond ETF
TLT
+$473K
4
SA
Seabridge Gold
SA
+$449K
5
BLFS icon
BioLife Solutions
BLFS
+$387K

Top Sells

Rank Stock Value
1
AEHR icon
Aehr Test Systems
AEHR
+$6.79M
2
PL icon
Planet Labs
PL
+$889K
3
PLAB icon
Photronics
PLAB
+$325K
4
XOM icon
ExxonMobil
XOM
+$217K
5
NKE icon
Nike
NKE
+$209K

Sector Composition

Rank Sector Weight
1 Technology 24.86%
2 Healthcare 17.25%
3 Communication Services 15.32%
4 Energy 10.09%
5 Consumer Discretionary 8.81%
Name Market Value Portfolio Weight Shares or Principal Change
in Stake 		Capital Flow Held Since
TRGP icon
26
Targa Resources
TRGP
$63.2B
$1.85M 1.18%
6,892
– –
2013 Q4
50 quarters
BRK.B icon
27
Berkshire Hathaway Class B
BRK.B
$1.14T
$1.65M 1.05%
3,290
-10
-0.3% -$4.81K
2013 Q4
50 quarters
BTE icon
28
Baytex Energy
BTE
$3.71B
$1.6M 1.02%
+399,350
New +$1.84M
2026 Q2
0 quarters
ET icon
29
Energy Transfer Partners
ET
$69.8B
$1.42M 0.91%
74,489
– –
2021 Q2
20 quarters
WMB icon
30
Williams Companies
WMB
$87.2B
$1.42M 0.91%
19,130
– –
2013 Q4
50 quarters
ADP icon
31
Automatic Data Processing
ADP
$114B
$1.41M 0.9%
6,300
– –
2013 Q4
50 quarters
DAIO icon
32
Data I/O
DAIO
$26.8M
$1.4M 0.89%
355,850
-1,000
-0.3% -$3.14K
2013 Q4
50 quarters
SONY icon
33
Sony
SONY
$145B
$1.37M 0.88%
68,500
– –
2013 Q4
50 quarters
ABBV icon
34
AbbVie
ABBV
$504B
$1.3M 0.83%
5,152
-18
-0.3% -$3.87K
2014 Q2
48 quarters
VZ icon
35
Verizon
VZ
$186B
$1.29M 0.82%
30,424
+525
+2% +$24.6K
2013 Q4
50 quarters
ABNB icon
36
Airbnb
ABNB
$102B
$1.28M 0.82%
8,950
– –
2022 Q2
16 quarters
SPY icon
37
State Street SPDR S&P 500 ETF Trust
SPY
$806B
$1.2M 0.76%
1,605
– –
2014 Q1
49 quarters
MESO icon
38
Mesoblast
MESO
$1.72B
$1.18M 0.75%
87,075
– –
2016 Q3
39 quarters
HESM icon
39
Hess Midstream
HESM
$3.94B
$1.13M 0.72%
30,055
– –
2018 Q2
32 quarters
BLFS icon
40
DELISTED
BioLife Solutions
BLFS
$1.12M 0.72%
39,705
+16,550
+71% +$387K
2019 Q2
28 quarters
DV icon
41
DoubleVerify
DV
$2.11B
$1.11M 0.71%
102,660
-250
-0.2% -$2.57K
2025 Q4
2 quarters
USAC icon
42
USA Compression Partners
USAC
$3.7B
$1.08M 0.69%
41,038
– –
2019 Q2
28 quarters
NPKI icon
43
NPK International
NPKI
$914M
$1.08M 0.69%
67,825
+575
+0.9% +$8.68K
2023 Q4
10 quarters
NVDA icon
44
NVIDIA
NVDA
$5.17T
$1.07M 0.68%
5,323
+100
+2% +$20.6K
2025 Q1
5 quarters
OKE icon
45
Oneok
OKE
$58.8B
$983K 0.63%
11,310
– –
2015 Q3
43 quarters
META icon
46
Meta Platforms (Facebook)
META
$1.81T
$958K 0.61%
1,700
– –
2014 Q3
47 quarters
KLIC icon
47
Kulicke & Soffa
KLIC
$4.11B
$950K 0.61%
7,100
– –
2021 Q4
18 quarters
PAR icon
48
PAR Technology
PAR
$717M
$936K 0.6%
53,760
+17,985
+50% +$259K
2024 Q2
8 quarters
BPOP icon
49
Popular Inc
BPOP
$10.1B
$870K 0.56%
5,300
-200
-4% -$30.2K
2013 Q4
50 quarters
NVS icon
50
Novartis
NVS
$286B
$868K 0.55%
5,540
– –
2013 Q4
50 quarters
1
2
3 4 5

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Penbrook Management's Q2 2026 Portfolio in Review

As of Q2 2026, Penbrook Management held 104 positions worth $157M, up 19% from $132M the previous quarter. Its ten largest holdings account for 45% of the portfolio.

Penbrook Management's Q2 2026 filing shows 11 new, 18 increased, 23 reduced and 3 closed positions. Its largest new stake was Allot: 275,295 shares worth $2.44M. The largest sale was Aehr Test Systems, an estimated $6.79M.

By sector, the portfolio is most concentrated in Technology at 25% of assets, up from 23% a quarter earlier, followed by Healthcare and Communication Services.

  • Penbrook Management's largest Q2 2026 buy was Allot: 275,295 shares worth $2.44M.
  • Penbrook Management added most to Seabridge Gold in Q2 2026, an estimated $449K increase.
  • Penbrook Management's biggest Q2 2026 reduction was Aehr Test Systems, cutting an estimated $6.79M.
  • Penbrook Management fully exited ExxonMobil in Q2 2026, selling an estimated $217K.
  • Penbrook Management's ten largest holdings make up 45% of its $157M portfolio in Q2 2026.
  • Penbrook Management opened 11 new positions and closed 3 in Q2 2026.
  • Penbrook Management's portfolio value rose 19% quarter-over-quarter to $157M.

Based on Penbrook Management's 13F filing for Q2 2026, filed 23 Jul 2026.