Institutions / Penbrook Management LLC / Activity

Activity — Penbrook Management LLC

62 moves.

BiggestNew positionsBiggest addsExits
InsidersInstitutions
DateActionCompanyValueShares ΔPosition afterImpact
Q1 2026
as of
TrimPlanet Labs PBC
Common stock
$-5.29M-189K
-64.14%
105,870
2.24% of portfolio
medium
Q1 2026
as of
NewProthena Corp Public Ltd Co
Common stock
$2.64M+272K
271,720
2.00% of portfolio
low
Q1 2026
as of
TrimAehr Test Systems
Common stock
$-1.31M-35K
-30.80%
79,515
2.23% of portfolio
low
Q1 2026
as of
ExitSynchrony Financial
Common stock
$-1.29M-16K
-100.00%
0
low
Q1 2026
as of
NewExtreme Networks Inc
Common stock
$1.26M+84K
83,525
0.95% of portfolio
low
Q1 2026
as of
AddCryoport, Inc.
Common stock
$1.10M+133K
+251.61%
185,775
1.16% of portfolio
low
Q1 2026
as of
AddCURI
CuriosityStream Inc.
Common Stock
$970.4K+328K
+94.40%
675,150
1.51% of portfolio
low
Q1 2026
as of
AddMagnite, Inc.
Common stock
$963.2K+81K
+260.57%
112,190
1.01% of portfolio
low
Q1 2026
as of
ExitCohu Inc
Common stock
$-891.2K-38K
-100.00%
0
low
Q1 2026
as of
TrimPopular, Inc.
Common stock
$-852.0K-6K
-53.59%
5,500
0.56% of portfolio
low
Q1 2026
as of
TrimPhotronics Inc
Common stock
$-563.7K-14K
-12.60%
96,730
2.96% of portfolio
low
Q1 2026
as of
Trim46090E103
Common stock
$-545.4K-945
-50.53%
925
0.40% of portfolio
low
Q1 2026
as of
TrimFidelity National Financial Inc
Common stock
$-517.3K-11K
-54.88%
9,168
0.32% of portfolio
low
Q1 2026
as of
TrimFirst BanCorp/Puerto Rico
Common stock
$-457.1K-21K
-47.66%
23,500
0.38% of portfolio
low
Q1 2026
as of
Trim28617B606
Common stock
$-424.2K-55K
-15.58%
295,356
1.74% of portfolio
low
Q1 2026
as of
ExitGlobal Payments Inc
Common stock
$-395.9K-5K
-100.00%
0
low
Q1 2026
as of
AddBlackstone Inc
Common stock
$385.2K+3K
+22.64%
18,150
1.58% of portfolio
low
Q1 2026
as of
TrimAxcelis Technologies Inc
Common stock
$-353.7K-4K
-23.91%
12,095
0.85% of portfolio
low
Q1 2026
as of
ExitBarrett Business Services Inc
Common stock
$-318.6K-9K
-100.00%
0
low
Q1 2026
as of
NewConocoPhillips
Common stock
$267.3K+2K
2,025
0.20% of portfolio
low
Q1 2026
as of
ExitFirst American Financial Corp
Common stock
$-264.2K-4K
-100.00%
0
low
Q1 2026
as of
ExitWebster Financial Corp
Common stock
$-263.1K-4K
-100.00%
0
low
Q1 2026
as of
NewAntero Midstream Corp
Common stock
$225.7K+10K
9,900
0.17% of portfolio
low
Q1 2026
as of
NewExxon Mobil Corp
Common stock
$217.2K+1K
1,280
0.16% of portfolio
low
Q1 2026
as of
ExitAflac Inc
Common stock
$-215.0K-2K
-100.00%
0
low
Q1 2026
as of
ExitFidelity National Information Services Inc
Common stock
$-214.3K-3K
-100.00%
0
low
Q1 2026
as of
AddPar Technology Corp
Common stock
$212.7K+16K
+80.55%
35,775
0.36% of portfolio
low
Q1 2026
as of
ExitJPMorgan Chase & Co
Common stock
$-212.7K-660
-100.00%
0
low
Q1 2026
as of
NewMerck & Co., Inc.
Common stock
$204.5K+2K
1,700
0.15% of portfolio
low
Q1 2026
as of
Exit89679M104
Common stock
$-202.3K-6K
-100.00%
0
low
Q1 2026
as of
TrimMicrosoft Corp
Common stock
$-186.9K-505
-2.22%
22,245
6.24% of portfolio
low
Q1 2026
as of
TrimLincoln Educational Services Corporation
Common stock
$-174.4K-4K
-25.17%
12,740
0.39% of portfolio
low
Q1 2026
as of
TrimTetra Technologies Inc
Common stock
$-149.7K-18K
-39.94%
26,410
0.17% of portfolio
low
Q1 2026
as of
AddPAYS
Paysign, Inc.
Common Stock
$147.3K+25K
+80.97%
55,785
0.25% of portfolio
low
Q1 2026
as of
NewDynex Capital Inc
Common stock
$128.2K+10K
10,050
0.10% of portfolio
low
Q1 2026
as of
Trim38173M102
Common stock
$-113.9K-9K
-38.01%
14,680
0.14% of portfolio
low
Q1 2026
as of
TrimInternational Business Machines Corp
Common stock
$-83.4K-344
-21.14%
1,283
0.24% of portfolio
low
Q1 2026
as of
New74319B502
Common stock
$79.7K+12K
12,300
0.06% of portfolio
low
Q1 2026
as of
Trim78462F103
Common stock
$-74.8K-115
-6.69%
1,605
0.79% of portfolio
low
Q1 2026
as of
TrimAQST
Aquestive Therapeutics, Inc.
Common Stock
$-68.9K-17K
-39.36%
25,565
0.08% of portfolio
low
Q1 2026
as of
TrimVerizon Communications Inc
Common stock
$-62.0K-1K
-3.97%
29,899
1.14% of portfolio
low
Q1 2026
as of
Exit055869101
Common stock
$-54.1K-11K
-100.00%
0
low
Q1 2026
as of
ExitMIN
Mfs Intermediate Income Trust
Closed-End Fund
$-48.9K-19K
-100.00%
0
low
Q1 2026
as of
TrimTarga Resources Corp
Common stock
$-34.1K-136
-1.94%
6,892
1.31% of portfolio
low
Q1 2026
as of
AddIovance Biotherapeutics, Inc.
Common stock
$29.8K+9K
+25.04%
42,445
0.11% of portfolio
low
Q1 2026
as of
TrimWarren E. Buffett
Common stock
$-24.0K-50
-1.49%
3,300
1.20% of portfolio
low
Q1 2026
as of
Trim884903808
Common stock
$-15.7K-174
-0.70%
24,774
1.69% of portfolio
low
Q1 2026
as of
TrimAbbVie Inc.
Common stock
$-13.0K-60
-1.15%
5,170
0.85% of portfolio
low
Q1 2026
as of
Trim66987V109
Common stock
$-10.7K-70
-1.25%
5,540
0.64% of portfolio
low
Q1 2026
as of
TrimRegeneron Pharmaceuticals, Inc.
Common stock
$-9.3K-12
-1.51%
785
0.46% of portfolio
low
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