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Quantum Portfolio Management LLC

Position in BLK — BlackRock, Inc.

CIK 2003672 New York, NY

Position in BLK

as of Jun 30, 2026 · filed Aug 14, 2026
Position Value
$159,618
-$44,264 QoQ
Shares Held
166
-21.7% QoQ
Ownership
0.000%
of shares outstanding
% of Portfolio
0.08%
of 13F equity value
Holder Rank
#1,979
of 2,245 holders
Holding Since
Sep 2025
3 quarters on record
Voting authority Sole 100% Shared 0% None 0%

Common Shares in BLK Over Time

Shares Held

Position Value (USD)

Position in Asset Management

Financial Services · as of Jun 30, 2026

Quantum Portfolio Management LLC holds $3,876,519 across 21 Asset Management names. BLK ranks #5 (4.1% of the industry book) .

# Ticker Company Shares Value (USD) Open
5 BLK
BlackRock, Inc.
This page
166 $159,618

All Filings in BLK

Export CSV
3 filing rows on record
Report Date Value (USD) Shares
2026-06-30 $159,618 166
2026-03-31 $203,882 212
2025-09-30 $271,647 233