Main Street Research’s Blackstone BX Stock Holding History

Main Street Research’s Portfolio BX Stock Details BX Fund Activity

Bought

Maintained

Sold

Quarter	Market Value	Status	Shares	Change in Stake	Trade Value	Portfolio Weight	Portfolio Position
2026 Q2	$593K	Sell	5,036 -281	-5%	-$33.8K	0.03%	83
2026 Q1	$611K	Buy	+5,317	New	+$692K	0.04%	79
2025 Q2	–	Sell	-1,682	Closed	-$235K	–	117
2025 Q1	$235K	Buy	1,682 +381	+29%	+$61.8K	0.02%	96
2024 Q4	$224K	Sell	1,301 -73	-5%	-$12.7K	0.01%	102
2024 Q3	$210K	Buy	+1,374	New	+$191K	0.01%	101
2022 Q2	–	Sell	-139,662	Closed	-$17.7M	–	89
2022 Q1	$17.7M	Sell	139,662 -63,637	-31%	-$7.76M	1.67%	32
2021 Q4	$26.3M	Buy	203,299 +200,098	+6,251%	+$26.7M	2.03%	24
2021 Q3	$372K	Sell	3,201 -58	-2%	-$6.73K	0.03%	92
2021 Q2	$317K	Sell	3,259 -102	-3%	-$9.06K	0.03%	105
2021 Q1	$250K	Buy	+3,361	New	+$232K	0.02%	115

Other funds holding BX

Sumitomo Mitsui Trust Group Minato-Ku, Tokyo, Japan $175B AUM 40.63% 1-Year Est. Return

SLAM

Swiss Life Asset Management Zurich $24.1B AUM 38.82% 1-Year Est. Return

New York State Common Retirement Fund Albany, New York $79.3B AUM 43.63% 1-Year Est. Return

Mirae Asset Global Investments Seoul, South Korea $67.7B AUM 51.91% 1-Year Est. Return

CAM

Cacti Asset Management Atlanta, Georgia $1.99B AUM 86.33% 1-Year Est. Return

DLA

Douglas Lane & Associates New York $7.37B AUM 21.9% 1-Year Est. Return

FWIA

Fort Washington Investment Advisors Cincinnati, Ohio $19.9B AUM 22.19% 1-Year Est. Return

Whittier Trust South Pasadena, California $10.2B AUM 33.39% 1-Year Est. Return

New York State Teachers Retirement System (NYSTRS) Albany, New York $54.2B AUM 43.77% 1-Year Est. Return

JLBC

J.L. Bainbridge & Co Sarasota, Florida $1.27B AUM 26.55% 1-Year Est. Return

Main Street Research's BX Position: Q2 2026 in Review

Main Street Research reduced its Blackstone (BX) stake by 5.3% in Q2 2026, selling an estimated $33.8K and leaving 5,036 shares worth $593K. The position accounts for 0.03% of the portfolio, ranked #83.

Main Street Research first reported a position in BX in Q1 2021 and has held it in 10 quarters since. The position peaked at $26.3M in Q4 2021. 902 funds tracked by Wall St. Rank hold BX as of Q2 2026.

Main Street Research held 5,036 shares of Blackstone worth $593K as of Q2 2026.
Main Street Research sold 281 Blackstone shares in Q2 2026, an estimated $33.8K.
Blackstone made up 0.03% of Main Street Research's portfolio in Q2 2026, its #83 holding.
Main Street Research first reported a position in Blackstone in Q1 2021 and has held it in 10 quarters since.
Main Street Research's Blackstone position peaked at $26.3M in Q4 2021.
902 funds tracked by Wall St. Rank held Blackstone as of Q2 2026.

Based on Main Street Research's 13F filing for Q2 2026, filed 29 Jul 2026.