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Penbrook Management Portfolio holdings

AUM $157M
1-Year Est. Return 46.57%
This Fund
S&P 500
This Quarter Est. Return
+5.36%
1 Year Est. Return
+46.57%
3 Year Est. Return
+102.93%
5 Year Est. Return
+150.44%
10 Year Est. Return
AUM
$145M
AUM Growth
+$1.75M
Cap. Flow
-$1.78M
Cap. Flow %
-1.23%
Top 10 Hldgs %
52.37%
Holding
109
New
5
Increased
17
Reduced
52
Closed
12

Top Sells

Rank Stock Value
1
MSFT icon
Microsoft
MSFT
+$779K
2
BLDR icon
Builders FirstSource
BLDR
+$332K
3
TRGP icon
Targa Resources
TRGP
+$317K
4
IREN icon
Iris Energy
IREN
+$291K
5
PL icon
Planet Labs
PL
+$272K

Sector Composition

Rank Sector Weight
1 Technology 23.64%
2 Healthcare 16.29%
3 Communication Services 13.6%
4 Financials 11.92%
5 Industrials 10.36%
Name Market Value Portfolio Weight Shares or Principal Change
in Stake
Capital Flow
INVE icon
101
Identive
INVE
$64.6M
-73,594
Closed -$254K
IREN icon
102
Iris Energy
IREN
$12.7B
-6,200
Closed -$291K
JPC icon
103
Nuveen Preferred & Income Opportunities Fund
JPC
$2.89B
-25,710
Closed -$211K
OESX icon
104
Orion Energy Systems
OESX
$42.3M
-16,644
Closed -$146K
OPTT icon
105
Ocean Power Technologies
OPTT
$38M
-15,000
Closed -$7.55K
PBI icon
106
Pitney Bowes
PBI
$2.46B
-17,050
Closed -$195K
UAMY icon
107
United States Antimony
UAMY
$784M
-14,825
Closed -$91.9K
WLY icon
108
John Wiley & Sons Class A
WLY
$2.6B
-5,000
Closed -$202K
DEFT
109
Defi Technologies
DEFT
$166M
-10,800
Closed -$22.8K

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Penbrook Management's Q4 2025 Portfolio in Review

As of Q4 2025, Penbrook Management held 109 positions worth $145M, up 1.2% from $143M the previous quarter. Its ten largest holdings account for 52% of the portfolio.

Penbrook Management's Q4 2025 filing shows 5 new, 17 increased, 52 reduced and 12 closed positions. Its largest new stake was DoubleVerify: 102,910 shares worth $1.18M. The largest sale was Microsoft, an estimated $779K.

By sector, the portfolio is most concentrated in Technology at 24% of assets, down from 26% a quarter earlier, followed by Healthcare and Communication Services.

  • Penbrook Management's largest Q4 2025 buy was DoubleVerify: 102,910 shares worth $1.18M.
  • Penbrook Management added most to PAR Technology in Q4 2025, an estimated $255K increase.
  • Penbrook Management's biggest Q4 2025 reduction was Microsoft, cutting an estimated $779K.
  • Penbrook Management fully exited Builders FirstSource in Q4 2025, selling an estimated $332K.
  • Penbrook Management's ten largest holdings make up 52% of its $145M portfolio in Q4 2025.
  • Penbrook Management opened 5 new positions and closed 12 in Q4 2025.
  • Penbrook Management's portfolio value rose 1.2% quarter-over-quarter to $145M.

Based on Penbrook Management's 13F filing for Q4 2025, filed 6 Jan 2026.