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Main Street Research LLC

Position in BX — Blackstone Inc.

CIK 1513211 SAUSALITO, CA

Position in BX

as of Jun 30, 2026 · filed Jul 29, 2026
Position Value
$592,586
-$18,815 QoQ
Shares Held
5,036
-5.3% QoQ
Ownership
0.001%
of shares outstanding
% of Portfolio
0.03%
of 13F equity value
Holder Rank
#1,258
of 2,120 holders
Holding Since
Mar 2021
10 quarters on record
Voting authority Sole 100% Shared 0% None 0%

Common Shares in BX Over Time

Shares Held

Position Value (USD)

Position in Asset Management

Financial Services · as of Jun 30, 2026

Main Street Research LLC holds $592,586 across 1 Asset Management name. BX ranks #1 (100.0% of the industry book) .

# Ticker Company Shares Value (USD) Open
1 BX
Blackstone Inc.
This page
5,036 $592,586

All Filings in BX

Export CSV
10 filing rows on record
Report Date Value (USD) Shares
2026-06-30 $592,586 5,036
2026-03-31 $611,401 5,317
2025-03-31 $235,109 1,682
2024-12-31 $224,318 1,301
2024-09-30 $210,400 1,374
2022-03-31 $17,728,694 139,662
2021-12-31 $26,304,857 203,299
2021-09-30 $372,404 3,201
2021-06-30 $316,579 3,259
2021-03-31 $250,495 3,361