Aigen Investment Management’s Blackrock BLK Stock Holding History

Aigen Investment Management’s Portfolio BLK Stock Details BLK Fund Activity

Bought

Maintained

Sold

Quarter	Market Value	Status	Shares	Change in Stake	Trade Value	Portfolio Weight	Portfolio Position
2026 Q1	$471K	Sell	490 -6,548	-93%	-$6.89M	0.12%	224
2025 Q4	$7.53M	Buy	+7,038	New	+$7.69M	1.74%	2
2024 Q3	–	Sell	-723	Closed	-$569K	–	750
2024 Q2	$569K	Buy	+723	New	+$564K	0.11%	269
2023 Q3	–	Sell	-1,431	Closed	-$989K	–	832
2023 Q2	$989K	Buy	1,431 +452	+46%	+$303K	0.15%	203
2023 Q1	$655K	Buy	979 +643	+191%	+$453K	0.09%	264
2022 Q4	$238K	Buy	+336	New	+$224K	0.03%	414
2022 Q3	–	Sell	-3,451	Closed	-$2.1M	–	586
2022 Q2	$2.1M	Buy	+3,451	New	+$2.25M	0.35%	80

Other funds holding BLK

BlackRock New York $5.72T AUM 30.48% 1-Year Est. Return

VCM

Vanguard Capital Management Malvern, Pennsylvania $4.04T AUM

State Street Boston, Massachusetts $2.9T AUM 29.55% 1-Year Est. Return

Temasek Holdings Singapore $30.5B AUM 13.98% 1-Year Est. Return

Bank of America Charlotte, North Carolina $1.37T AUM 24.88% 1-Year Est. Return

Capital Research Global Investors Los Angeles, California $645B AUM 30.41% 1-Year Est. Return

Wellington Management Group Boston, Massachusetts $535B AUM 26.23% 1-Year Est. Return

VPM

Vanguard Portfolio Management Malvern, Pennsylvania $1.91T AUM

Morgan Stanley New York $1.66T AUM 25.57% 1-Year Est. Return

Geode Capital Management Boston, Massachusetts $1.61T AUM 30.72% 1-Year Est. Return

Aigen Investment Management's BLK Position: Q1 2026 in Review

Aigen Investment Management reduced its Blackrock (BLK) stake by 93% in Q1 2026, selling an estimated $6.89M and leaving 490 shares worth $471K. The position accounts for 0.12% of the portfolio, ranked #224.

Aigen Investment Management first reported a position in BLK in Q2 2022 and has held it in 7 quarters since. The position peaked at $7.53M in Q4 2025. 2,319 funds tracked by Wall St. Rank hold BLK as of Q1 2026.

Aigen Investment Management held 490 shares of Blackrock worth $471K as of Q1 2026.
Aigen Investment Management sold 6,548 Blackrock shares in Q1 2026, an estimated $6.89M.
Blackrock made up 0.12% of Aigen Investment Management's portfolio in Q1 2026, its #224 holding.
Aigen Investment Management first reported a position in Blackrock in Q2 2022 and has held it in 7 quarters since.
Aigen Investment Management's Blackrock position peaked at $7.53M in Q4 2025.
2,319 funds tracked by Wall St. Rank held Blackrock as of Q1 2026.

Based on Aigen Investment Management's 13F filing for Q1 2026, filed 15 May 2026.