DOSSIER · 13F-HR · Q2 2026

John & Kathleen Schreiber Foundation

$96M in tracked AUM across 4 positions as of Q2 2026.

J&
CIK 0001910790 · last filed Jun 30, 2026
Total AUM
$96M
as of Q2 2026
Holdings
4
positions
Whale Score
67
67
tracked
Activity
no data
changes this Q
AI Analysis · Q2 2026

Based on the SEC 13F filing data for the John & Kathleen Schreiber Foundation for the period ending September 30, 2025, here is a comprehensive analysis.

1. Portfolio Overview

The John & Kathleen Schreiber Foundation manages a highly concentrated portfolio with a total value of $154.35 million, representing a growth of 8.9% from the previous quarter's $141.67 million. The portfolio is exceptionally streamlined, comprising only four holdings. This structure indicates a "high conviction" inv...

2. Key Holdings

The portfolio is dominated by a single massive position in Blackstone Inc. (BX), which accounts for $138.53 million or 89.75% of the total assets. With 811,000 shares, this position dictates the overall performance of the foundation's portfolio. The remaining three holdings are fractional in comparison but remain significant in absolute terms:

Analysis generated by 13F Insight from SEC Form 13F filing data · Q2 2026. Methodology

Quarter at a glance — Q2 2026

Position-change comparison pending.

No quarter-over-quarter changes available.

Top 10 holdings

By portfolio weight as of Q2 2026.

#HoldingValueSharesWeight
01
BX
BLACKSTONE INC
$76M649K79.7%
02
BXSL
BLACKSTONE SECD LENDING FD
$9M382K9.4%
03
TCHP
T ROWE PRICE ETF INC
$6M111K5.8%
04
BXMT
BLACKSTONE MTG TR INC
$5M283K5.0%

Filing history

2026Q2Jun 30
$96M 1.8%
4 positionsView →
2026Q1Mar 31
$98M 24.1%
4 positionsView →
2025Q4Dec 31
$129M 16.7%
4 positionsView →
2025Q3Sep 30
$154M 8.9%
4 positionsView →
2025Q2Jun 30
$142M 4.9%
4 positionsLocked
2025Q1Mar 31
$135M 21.5%
4 positionsLocked
2024Q4Dec 31
$172M 13.0%
7 positionsLocked
2024Q3Sep 30
$152M 16.9%
3 positionsLocked
2024Q2Jun 30
$130M 18.5%
3 positionsLocked
2024Q1Mar 31
$160M 8.8%
3 positionsLocked
2023Q4Dec 31
$175M 8.5%
3 positionsLocked
2023Q3Sep 30
$162M 9.9%
4 positionsLocked
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