Does SEI Investments own BX stock?

Yes. As of its Q2 2026 13F, SEI Investments holds 442,557 shares of BX (Blackstone), worth $52.1M.

How many shares of BX does SEI Investments own?

As of its Q2 2026 13F, SEI Investments holds 442,557 shares of BX (Blackstone).

As of its Q2 2026 13F, SEI Investments' BX position is worth $52.1M.

In Q2 2026, SEI Investments reduced its BX position by 6,189 shares (-1.4%).

SEI Investments first reported BX in its Q3 2019 13F and has listed it in 28 quarterly 13F filings.

28 quarters

Position history for SEI Investments Co.'s holdings in Blackstone Inc.

Current Value

$52.1M

Current Shares

442,557

Total Value Change

+$50.8M

Total Shares Change

+416,411

Quarter-by-Quarter History

Quarter	Action	Shares	Change	Value	Weight	Price	Conviction
2026-Q2 Latest	Decreased	442,557	-1.4%	$52.1M	0.0%	$115.38	0
2026-Q1	Increased	448,746	+3.6%	$51.6M	0.0%	$111.72	30
2025-Q4	Decreased	432,931	-2.6%	$66.7M	0.1%	$148.03	0
2025-Q3	Decreased	444,468	-1.8%	$75.9M	0.1%	$162.64	0
2025-Q2	Decreased	452,619	-10.6%	$67.7M	0.1%	$141.53	0
2025-Q1	Increased	506,088	+14.5%	$70.7M	0.1%	$131.33	34
2024-Q4	Increased	441,877	+8.7%	$76.2M	0.1%	$160.63	32
2024-Q3	Decreased	406,377	-25.9%	$62.2M	0.1%	$141.93	0
2024-Q2	Decreased	548,627	-0.3%	$67.9M	0.1%	$114.08	0
2024-Q1	Decreased	550,407	-2.3%	$72.3M	0.1%	$120.24	0
2023-Q4	Increased	563,230	+2.3%	$73.7M	0.1%	$118.92	36
2023-Q3	Decreased	550,540	-5.2%	$59M	0.1%	$96.48	0
2023-Q2	Increased	580,597	+2.1%	$54M	0.1%	$83.08	30
2023-Q1	Decreased	568,417	-0.3%	$49.9M	0.1%	$77.75	0
2022-Q4	Decreased	569,919	-20.6%	$42.3M	0.1%	$65.07	0
2022-Q3	Decreased	717,502	-6.3%	$60.1M	0.1%	$72.71	0
2022-Q2	Decreased	765,377	-7.3%	$69.8M	0.2%	$78.27	0
2022-Q1	Increased	825,877	+157.1%	$104.8M	0.2%	$107.58	58
2021-Q4	Increased	321,202	+434.0%	$41.6M	0.1%	$108.47	47
2021-Q3	Decreased	60,154	-30.8%	$7M	0.0%	$96.76	0
2021-Q2	Decreased	86,940	-3.8%	$8.4M	0.0%	$80.31	0
2021-Q1	Increased	90,327	+1.7%	$6.4M	0.0%	$61.05	28
2020-Q4	Decreased	88,790	-10.4%	$5.7M	0.0%	$52.37	0
2020-Q3	Increased	99,048	+31.1%	$5.2M	0.0%	$41.79	34
2020-Q2	Increased	75,578	+32.9%	$4.3M	0.0%	$45.05	34
2020-Q1	Increased	56,860	+162.2%	$2.6M	0.0%	$35.96	42
2019-Q4	Decreased	21,686	-17.1%	$1.2M	0.0%	$43.73	0
2019-Q3	New	26,146	-	$1.3M	0.0%	$37.82	35

Other major holders of BX: Vanguard Group Inc.