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BXP · BXP, Inc. · Holdings

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Market Cap
$10.33B
Shares
159.66M

Institutional ownership from SEC Form 13F filings. Investment managers with more than $100 million in U.S. equities must disclose their positions every quarter, within 45 days of quarter-end, so the holdings shown can lag the market by up to a quarter.

Holders: 554
Total Value: $11,875,663,506
Total Shares: 179,241,029
Showing 1–100 of 570 holdings by value · page 1 of 6

Institutional Ownership Trend

26 quarters

Holder Concentration

Across 554 13F filers · Δ vs Mar 31, 2026
Top Holder
12.7%
Sep 2023 → Jun 2026 · range 12.2% – 14.9%
+0.5 pts
Top 5
41.1%
Sep 2023 → Jun 2026 · range 41.0% – 47.3%
+0.1 pts
Top 10
59.7%
Sep 2023 → Jun 2026 · range 54.3% – 60.4%
+0.3 pts
HHI
482
Sep 2023 → Jun 2026 · range 477 – 575
Broadly held+5

Quarterly Activity

vs Mar 31, 2026
New
78
Increased
223
Decreased
170
Sold Out
67
Unchanged
83
Holder count: +11
Institutional value: +34.2%
Shares held: +5.1%

Top Buyers

vs Mar 31, 2026
Institution Added Now Holds Open

Top Sellers

vs Mar 31, 2026
Institution Sold Now Holds Open

Top New Positions

vs Mar 31, 2026
Institution Acquired Value (USD) Open

Top Sold-Out Positions

vs Mar 31, 2026
Institution Previously Held Last Value (USD) Open
Showing 100 of 570
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Holder Value (USD) % of 13F Shares Open
Key facts CIK 1037540 CUSIP 101121101 13F (30d) 207 filings 204 filers Visit website Investor relations