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Penbrook Management Portfolio holdings

AUM $132M
1-Year Est. Return 29.91%
This Fund
S&P 500
This Quarter Est. Return
-1.08%
1 Year Est. Return
+29.91%
3 Year Est. Return
+77.31%
5 Year Est. Return
+126.31%
10 Year Est. Return
–
AUM
$132M
AUM Growth
-$12.9M
Cap. Flow
-$6.05M
Cap. Flow %
-4.58%
Top 10 Hldgs %
47.13%
Holding
105
New
8
Increased
14
Reduced
28
Closed
12

Top Buys

Rank Stock Value
1
PRTA icon
Prothena Corp
PRTA
+$2.49M
2
EXTR icon
Extreme Networks
EXTR
+$1.25M
3
CYRX icon
CryoPort
CYRX
+$1.2M
4
CURI icon
CuriosityStream
CURI
+$1.11M
5
MGNI icon
Magnite
MGNI
+$1.09M

Top Sells

Rank Stock Value
1
PL icon
Planet Labs
PL
+$4.84M
2
SYF icon
Synchrony
SYF
+$1.29M
3
AEHR icon
Aehr Test Systems
AEHR
+$1.13M
4
COHU icon
Cohu
COHU
+$891K
5
BPOP icon
Popular Inc
BPOP
+$851K

Sector Composition

Rank Sector Weight
1 Technology 23.13%
2 Healthcare 16.73%
3 Communication Services 15.08%
4 Energy 11.67%
5 Consumer Discretionary 9.18%
Name Market Value Portfolio Weight Shares or Principal Change
in Stake 		Capital Flow
NVO
1
Novo Nordisk
NVO
$223B
$11.6M 8.8%
316,200
-200
-0.1% -$9.48K
AMZN icon
2
Amazon
AMZN
$2.66T
$10.8M 8.16%
51,760
– –
MSFT icon
3
Microsoft
MSFT
$2.93T
$8.23M 6.24%
22,245
-505
-2% -$211K
GOOGL icon
4
Alphabet (Google) Class A
GOOGL
$4.23T
$6.66M 5.05%
23,170
– –
GOOG icon
5
Alphabet (Google) Class C
GOOG
$4.22T
$6.47M 4.9%
22,554
– –
MCO icon
6
Moody's
MCO
$89.2B
$5.93M 4.49%
13,600
– –
PLAB icon
7
Photronics
PLAB
$1.7B
$3.91M 2.96%
96,730
-13,950
-13% -$505K
PL icon
8
Planet Labs
PL
$8.01B
$2.96M 2.24%
105,870
-189,375
-64% -$4.84M
AEHR icon
9
Aehr Test Systems
AEHR
$2.63B
$2.95M 2.23%
79,515
-35,385
-31% -$1.13M
SA
10
Seabridge Gold
SA
$2.65B
$2.72M 2.06%
95,990
– –
VET icon
11
Vermilion Energy
VET
$1.51B
$2.72M 2.06%
197,825
– –
PRTA icon
12
Prothena Corp
PRTA
$453M
$2.64M 2%
+271,720
New +$2.49M
VMD icon
13
Viemed Healthcare
VMD
$466M
$2.51M 1.9%
272,398
+850
+0.3% +$7.07K
ELVA
14
Electrovaya
ELVA
$469M
$2.3M 1.74%
295,356
-54,505
-16% -$472K
TRI icon
15
Thomson Reuters
TRI
$42B
$2.23M 1.69%
24,391
-172
-0.7% -$18.1K
BX icon
16
Blackstone
BX
$155B
$2.09M 1.58%
18,150
+3,350
+23% +$436K
ALKT icon
17
Alkami Technology
ALKT
$1.92B
$2M 1.52%
127,685
– –
CURI icon
18
CuriosityStream
CURI
$152M
$2M 1.51%
675,150
+327,850
+94% +$1.11M
NNY icon
19
Nuveen New York Municipal Value Fund
NNY
$164M
$1.78M 1.35%
213,727
– –
TRGP icon
20
Targa Resources
TRGP
$60.7B
$1.73M 1.31%
6,892
-136
-2% -$29.5K
BRK.B icon
21
Berkshire Hathaway Class B
BRK.B
$1.06T
$1.58M 1.2%
3,300
-50
-1% -$24.5K
CYRX icon
22
CryoPort
CYRX
$832M
$1.54M 1.16%
185,775
+132,940
+252% +$1.2M
VZ icon
23
Verizon
VZ
$182B
$1.5M 1.14%
29,899
-1,236
-4% -$57.3K
ET icon
24
Energy Transfer Partners
ET
$69.9B
$1.44M 1.09%
74,489
– –
CSCO icon
25
Cisco
CSCO
$441B
$1.42M 1.08%
18,350
– –
1
2 3 4 5

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DFC
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BAWC
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AIP
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DQRIM
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BF
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PJC
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GCM
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Penbrook Management's Q1 2026 Portfolio in Review

As of Q1 2026, Penbrook Management held 105 positions worth $132M, down 8.9% from $145M the previous quarter. Its ten largest holdings account for 47% of the portfolio.

Penbrook Management withdrew a net $6.05M in Q1 2026, closing 12 positions and reducing 28 holdings. Its most notable exit was Synchrony, an estimated $1.29M position sold in full.

By sector, the portfolio is most concentrated in Technology at 23% of assets, down from 24% a quarter earlier, followed by Healthcare and Communication Services.

Against the trend, Penbrook Management opened a new position in Prothena Corp worth $2.64M.

  • Penbrook Management's largest Q1 2026 buy was Prothena Corp: 271,720 shares worth $2.64M.
  • Penbrook Management added most to CryoPort in Q1 2026, an estimated $1.2M increase.
  • Penbrook Management's biggest Q1 2026 reduction was Planet Labs, cutting an estimated $4.84M.
  • Penbrook Management fully exited Synchrony in Q1 2026, selling an estimated $1.29M.
  • Penbrook Management's ten largest holdings make up 47% of its $132M portfolio in Q1 2026.
  • Penbrook Management opened 8 new positions and closed 12 in Q1 2026.
  • Penbrook Management's portfolio value fell 8.9% quarter-over-quarter to $132M.

Based on Penbrook Management's 13F filing for Q1 2026, filed 21 Apr 2026.