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Livermore
Livermore
ZHEN

Penbrook Management LLC

SEC CIK
0001381055
Latest filing
Jul 23, 2026

BX holding history

Blackstone Inc. in every 13F filed by Penbrook Management LLC, including the quarters it was sold out or no filing was made. Changes compare share counts with the previous calendar quarter.

BX overviewAll 13F holders of BXFull Q2 2026 holdings

Shares (Q2 2026)
18,150
Value
$2.14M
% of portfolio
1.4%
Quarters held
22
Since Q1 2021
Holdings of BX by Penbrook Management LLC, by quarter
QuarterSharesValue% of portfolioShare changeActionAll holders
Q2 202618,150$2.14M1.4%00.0%UnchangedHolders
Q1 202618,150$2.09M1.6%+3,350+22.6%AddedHolders
Q4 202514,800$2.28M1.6%00.0%UnchangedHolders
Q3 202514,800$2.53M1.8%−100−0.7%ReducedHolders
Q2 202514,900$2.23M1.7%−600−3.9%ReducedHolders
Q1 202515,500$2.17M1.6%−100−0.6%ReducedHolders
Q4 202415,600$2.69M1.8%00.0%UnchangedHolders
Q3 202415,600$2.39M1.6%−1,000−6.0%ReducedHolders
Q2 202416,600$2.06M1.3%−923−5.3%ReducedHolders
Q1 202417,523$2.30M1.4%00.0%UnchangedHolders
Q4 202317,523$2.29M1.5%−1,400−7.4%ReducedHolders
Q3 202318,923$2.03M1.5%−500−2.6%ReducedHolders
Q2 202319,423$1.81M1.3%00.0%UnchangedHolders
Q1 202319,423$1.71M1.3%−200−1.0%ReducedHolders
Q4 202219,623$1.46M1.2%−5,000−20.3%ReducedHolders
Q3 202224,623$2.06M1.8%−132−0.5%ReducedHolders
Q2 202224,755$2.26M1.8%−500−2.0%ReducedHolders
Q1 202225,255$3.21M2.1%+475+1.9%AddedHolders
Q4 202124,780$3.21M1.9%00.0%UnchangedHolders
Q3 202124,780$2.88M1.8%00.0%UnchangedHolders
Q2 202124,780$2.41M1.5%00.0%UnchangedHolders
Q1 202124,780$1.85M1.3%––Holders

Livermore's 13F data starts with Q1 2021, so Q1 2021 has no change from the previous quarter.