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BLACKROCK INC

BLK

Holders

2

Combined Value

$264.23M

Combined Shares

274,755

Current Price

$1032.00

52W High

$1219.94

vs 52W High

−15.4%

Investor Activity Chart

Quarterly buys (▲) and sells (▼) by tracked investors. Click a marker to view that investor's portfolio; hover for details. Price line is implied from 13F filings (value ÷ shares), not market data.

$902.60$1004.98$1107.37$1209.75Q4'24Q1'25Q2'25Q3'25Q4'25Q1'26Q4 2024 · implied price $1025.11Q1 2025 · implied price $946.48Q2 2025 · implied price $1049.25Q3 2025 · implied price $1165.87Q4 2025 · implied price $1070.34Q1 2026 · implied price $961.71Harris Associates (Oakmark Funds) · bought 227,631 shares @ ~$1025.11 · Q4 2024 (new position)Tom Gayner - Markel Group · bought 220,200 shares @ ~$1025.11 · Q4 2024 (new position)Harris Associates (Oakmark Funds) · bought 1,503 shares @ ~$946.48 · Q1 2025Andreas Halvorsen - Viking Global Investors · bought 195,104 shares @ ~$1049.25 · Q2 2025 (new position)Harris Associates (Oakmark Funds) · bought 31,582 shares @ ~$1049.25 · Q2 2025Andreas Halvorsen - Viking Global Investors · bought 424,388 shares @ ~$1165.87 · Q3 2025Harris Associates (Oakmark Funds) · sold 194,018 shares @ ~$1165.87 · Q3 2025Jim Simons - Renaissance Technologies · bought 3,846 shares @ ~$1070.62 · Q4 2025 (new position)Andreas Halvorsen - Viking Global Investors · sold 619,492 shares @ ~$1165.87 · Q4 2025 (sold out)Harris Associates (Oakmark Funds) · sold 12,289 shares @ ~$1070.34 · Q4 2025Harris Associates (Oakmark Funds) · bought 146 shares @ ~$961.71 · Q1 2026Jim Simons - Renaissance Technologies · sold 3,846 shares @ ~$1070.62 · Q1 2026 (sold out)BUYSELLIMPLIED PRICE

Held By

Tracked investors currently holding this security, based on each investor's most recent 13F filing. Gain compares the current market price to each investor's estimated average buy price.

InvestorValue% of PortfolioAvg Buy PriceGainLast ActivityAs of
Tom Gayner - Markel Group$211.77M1.77%~$1025.11+0.7%BUY Q4 2024Q1 2026
Harris Associates (Oakmark Funds)$52.47M0.07%~$1027.41+0.4%BUY Q1 2026Q1 2026

Recent Activity

Latest position changes by tracked investors. Prices are estimates implied from 13F filings.

QuarterInvestorActionEst. ValueEst. Price
Q1 2026Jim Simons - Renaissance TechnologiesSOLD OUT−$4.12M~$1070.62
Q1 2026Harris Associates (Oakmark Funds)BUY+$140.4K~$961.71
Q4 2025Andreas Halvorsen - Viking Global InvestorsSOLD OUT−$722.25M~$1165.87
Q4 2025Harris Associates (Oakmark Funds)SELL−$13.15M~$1070.34
Q4 2025Jim Simons - Renaissance TechnologiesNEW BUY+$4.12M~$1070.62
Q3 2025Andreas Halvorsen - Viking Global InvestorsBUY+$494.78M~$1165.87
Q3 2025Harris Associates (Oakmark Funds)SELL−$226.20M~$1165.87
Q2 2025Andreas Halvorsen - Viking Global InvestorsNEW BUY+$204.71M~$1049.25
Q2 2025Harris Associates (Oakmark Funds)BUY+$33.14M~$1049.25
Q1 2025Harris Associates (Oakmark Funds)BUY+$1.42M~$946.48
Q4 2024Harris Associates (Oakmark Funds)NEW BUY+$233.35M~$1025.11
Q4 2024Tom Gayner - Markel GroupNEW BUY+$225.73M~$1025.11

Ownership History

Aggregate position across all tracked investors per quarter (options excluded). Implied price is the reported value divided by shares held.

PeriodHoldersTotal SharesΔ SharesTotal ValueImplied Price
Q1 20262274,755-1.3%$264.23M$961.71
Q4 20253278,455-69.3%$298.04M$1070.34
Q3 20253906,390+34.1%$1.06B$1165.87
Q2 20253676,020+50.4%$709.31M$1049.25
Q1 20252449,334+0.3%$425.29M$946.48
Q4 20242447,831—$459.08M$1025.11