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MATTERN CAPITAL MANAGEMENT, LLC

Position in BLK — BlackRock, Inc.

CIK 1803227 LAKEWOOD, CO

Position in BLK

as of Jun 30, 2026 · filed Jul 24, 2026
Position Value
$10,212,728
+$223,447 QoQ
Shares Held
10,621
+2.3% QoQ
Ownership
0.003%
of shares outstanding
% of Portfolio
1.29%
of 13F equity value
Holder Rank
#457
of 2,275 holders
Holding Since
Dec 2024
7 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

MATTERN CAPITAL MANAGEMENT, LLC holds $10,212,728 across 1 Asset Management name. BLK ranks #1 (100.0% of the industry book) .

# Ticker Company Shares Value (USD) Open
1 BLK
BlackRock, Inc.
This page
10,621 $10,212,728

All Filings in BLK

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7 filing rows on record
Report Date Value (USD) Shares
2026-06-30 $10,212,728 10,621
2026-03-31 $9,989,281 10,387
2025-12-31 $11,140,098 10,408
2025-09-30 $11,778,784 10,103
2025-06-30 $10,576,440 10,080
2025-03-31 $9,481,836 10,018
2024-12-31 $10,837,462 10,572