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MASSACHUSETTS FINANCIAL SERVICES CO /MA/

Position in BLK — BlackRock, Inc.

CIK 912938 Boston, MA

Position in BLK

as of Mar 31, 2026 · filed May 14, 2026
Position Value
$1,053,223,437
-$196,932,611 QoQ
Shares Held
1,095,157
-6.2% QoQ
Ownership
0.336%
of shares outstanding
% of Portfolio
0.38%
of 13F equity value
Holder Rank
not a current holder
Holding Since
Dec 2024
6 quarters on record
Voting authority Sole 79.2633384984984.ToString("F0")% Shared 19.331840092333792.ToString("F0")% None 1.404821409167818.ToString("F0")%

Common Shares in BLK Over Time

Shares Held

Position Value (USD)

Position in Asset Management

Financial Services · as of Mar 31, 2026

MASSACHUSETTS FINANCIAL SERVICES CO /MA/ holds $5,181,347,243 across 17 Asset Management names. BLK ranks #2 (20.3% of the industry book) .

# Ticker Company Shares Value (USD) Open
2 BLK
BlackRock, Inc.
This page
1,095,157 $1,053,223,437

All Filings in BLK

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6 filing rows on record
Report Date Value (USD) Shares
2026-03-31 $1,053,223,437 1,095,157
2025-12-31 $1,250,156,048 1,167,999
2025-09-30 $1,414,854,360 1,213,561
2025-06-30 $1,123,153,923 1,070,435
2025-03-31 $943,422,868 996,770
2024-12-31 $1,048,251,856 1,022,575