BLK BLACKROCK CL,A

Ownership history in Sienna Gestion  ·  5 quarters on record

This page tracks every 13F SEC filing in which Sienna Gestion reported a position in BLACKROCK CL,A (BLK). Data includes quarterly share count, position size as % of portfolio, estimated market value, and end-of-quarter stock price — sourced directly from SEC EDGAR 13F filings.

Peak position
1.7% (2025 Q3)
Avg. % of fund
0.99%
First filed
2024 Q1
Last filed
2025 Q3
Quarters held
5
Quarter Action Shares Change Chg % % of Fund Mkt Value Price (EOQ)
2025 Q3 ADDED 22,859 +7,773 +51.5% 1.70% $24.3M $1153.80
2025 Q2 REDUCED 15,086 -2,728 -15.3% 0.99% $14.5M $1033.51
2024 Q3 ADDED 17,814 +3,371 +23.3% 1.12% $16.9M $920.73
2024 Q2 ADDED 14,443 +89 +0.6% 1.01% $11.4M $758.96
2024 Q1 INITIATED 14,354 0.13% $12.0M
% of Fund (quarterly)    BLK price (monthly, adj. close)
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