Question 1

How many shares of BLK does LOOMIS SAYLES & CO L P own?

Accepted Answer

As of 2026-Q1, LOOMIS SAYLES & CO L P holds 209,554 shares of BLK (BLACKROCK INC).

Question 2

What is LOOMIS SAYLES & CO L P's BLK position worth?

Accepted Answer

As of 2026-Q1, LOOMIS SAYLES & CO L P's BLK position is worth $201.5M.

Question 3

Is LOOMIS SAYLES & CO L P buying or selling BLK?

Accepted Answer

In 2026-Q1, LOOMIS SAYLES & CO L P decreased their BLK position (-23.7% change in shares).

Question 4

When did LOOMIS SAYLES & CO L P first buy BLK?

Accepted Answer

Based on available 13F filings, LOOMIS SAYLES & CO L P first reported a position in BLK in 2024-Q4. They have held the position across 6 quarters.

Quarter	Action	Shares	Change	Value	Weight	Price	Conviction
2026-Q1 Latest	Decreased	209,554	-23.7%	$201.5M	0.3%	$1,052.59	0
2025-Q4	Decreased	274,497	-4.2%	$293.8M	0.4%	$1,083.31	0
2025-Q3	Increased	286,654	+11.4%	$334.2M	0.4%	$1,169.87	41
2025-Q2	Increased	257,418	+16.5%	$270.1M	0.3%	$1,037.84	43
2025-Q1	Decreased	220,955	-24.8%	$209.1M	0.3%	$932.75	0
2024-Q4	New	293,848	-	$301.2M	0.4%	$1,006.79	51

BLK6 quarters

BLK
6 quarters