Ranked by reported Q1 2026 13F market value
Share of total reported institutional value in BXP held by the largest 10 / 25 filers.
| # | Institution | Shares Held | Market Value | QoQ Change | Ownership % | % of Fund |
|---|---|---|---|---|---|---|
| 1 | BlackRock, Inc. | 16.5M | $854.3M | -10.2% | 10.373% | 0.01% |
| 2 | VANGUARD PORTFOLIO MANAGEMENT LLC | 12.8M | $665.6M | β | 8.082% | 0.04% |
| 3 | STATE STREET CORP | 9.9M | $520.1M | -12.2% | 6.233% | 0.02% |
| 4 | VANGUARD CAPITAL MANAGEMENT LLC | 10.0M | $517.5M | β | 6.284% | 0.01% |
| 5 | First Eagle Investment Management, LLC | 9.3M | $485.0M | +174.0% | 5.889% | 0.64% |
| 6 | APG Asset Management US Inc. | 7.2M | $368.0M | -2.5% | 4.546% | 2.84% |
| 7 | Invesco Ltd. | 6.3M | $324.9M | +52.6% | 3.945% | 0.05% |
| 8 | Daiwa Securities Group Inc. | 4.3M | $224.2M | +40.9% | 2.722% | 0.71% |
| 9 | GEODE CAPITAL MANAGEMENT, LLC | 4.3M | $223.5M | +1.0% | 2.718% | 0.01% |
| 10 | CITADEL ADVISORS LLC | 4.3M | $222.1M | +120.9% | 2.697% | 0.10% |
| 11 | BANK OF AMERICA CORP /DE/ | 2.7M | $139.8M | +10.2% | 1.697% | 0.01% |
| 12 | MORGAN STANLEY | 2.6M | $134.2M | -24.5% | 1.630% | 0.01% |
| 13 | EARNEST PARTNERS LLC | 2.6M | $132.5M | -3.1% | 1.609% | 0.55% |
| 14 | CHARLES SCHWAB INVESTMENT MANAGEMENT INC | 2.5M | $131.4M | +4.2% | 1.596% | 0.02% |
| 15 | NORTHERN TRUST CORP | 2.4M | $123.3M | -27.7% | 1.497% | 0.02% |
| 16 | DIMENSIONAL FUND ADVISORS LP | 2.3M | $121.7M | +2.3% | 1.478% | 0.03% |
| 17 | SEI INVESTMENTS CO | 2.0M | $103.8M | +1.8% | 1.261% | 0.10% |
| 18 | GOLDMAN SACHS GROUP INC | 2.0M | $102.1M | -14.9% | 1.239% | 0.01% |
| 19 | PRUDENTIAL FINANCIAL INC | 1.3M | $69.1M | +585.6% | 0.839% | 0.09% |
| 20 | UBS ASSET MANAGEMENT AMERICAS INC | 1.3M | $67.8M | -30.8% | 0.824% | 0.01% |
| 21 | Legal & General Group Plc | 1.3M | $65.3M | -18.7% | 0.793% | 0.02% |
| 22 | MASSACHUSETTS FINANCIAL SERVICES CO /MA/ | 993K | $55.3M | -12.5% | 0.626% | 0.02% |
| 23 | BARCLAYS PLC | 918K | $47.6M | -15.1% | 0.579% | 0.02% |
| 24 | Bank of New York Mellon Corp | 906K | $47.0M | -15.3% | 0.571% | 0.01% |
| 25 | SUSQUEHANNA INTERNATIONAL GROUP, LLP | 905K | $47.0M | +96.0% | 0.570% | 0.01% |
denotes a marquee investor (Buffett, Burry, ARK, Tiger Global, Pershing Square, Baupost and other widely-followed managers). β% of Fundβ shows how much of that investorβs total 13F portfolio is invested in BXP β a direct measure of their conviction.
Filings activity in BXP during Q1 2026, grouped by how each filer changed its position.
Institutions that opened a new BXP position in Q1 2026
Institutions that fully closed their BXP position in Q1 2026
8 quarters of 13F filings Β· Ξ columns show change vs prior quarter
| Quarter | Inst. Holders | Ξ Holders | Ownership % | Ξ Ownership | Total 13F Value | Ξ Value |
|---|---|---|---|---|---|---|
| Q1 2026 | 525 | 13% | 70.04% | 31.69 pp | $7.37B | 31% |
| Q4 2025 | 605 | +1.0% | 101.73% | 2.20 pp | $10.70B | 2.1% |
| Q3 2025 | 599 | 0.3% | 103.93% | 21.91 pp | $10.93B | 17% |
| Q2 2025 | 601 | +1.2% | 125.84% | +31.26 pp | $13.23B | +33% |
| Q1 2025 | 594 | 0.2% | 94.58% | 16.24 pp | $9.95B | 15% |
| Q4 2024 | 595 | +4.9% | 110.82% | +2.50 pp | $11.65B | +2.3% |
| Q3 2024 | 567 | +2.5% | 108.32% | +17.48 pp | $11.39B | +19% |
| Q2 2024 | 553 | β | 90.84% | β | $9.55B | β |
Source: SEC 13F institutional filings. Ownership % requires market cap data and will show once linked. Ξ columns compare to the immediately prior filed quarter.
Quick answers to the most common questions about buying BXP stock.
Based on Q1 2026 13F filings, institutional ownership of BXP, Inc. stands at 70.0%, held across 525 reporting institutions.
BlackRock, Inc. is the largest reported institutional holder of BXP, with approximately 16,459,955 shares worth $0.85B as of Q1 2026.
Yes β 2 widely-followed marquee investors appear among the top 25 institutional holders of BXP, including CITADEL ADVISORS LLC, SUSQUEHANNA INTERNATIONAL GROUP, LLP.
Our composite Smart Money Score for BXP is 32 out of 100 (Bearish). It combines net institutional buying activity, ownership shift, marquee investor presence, and holder-count growth.
81 institutions opened new positions in BXP during Q1 2026, while 161 fully exited. 72 added to existing positions and 369 trimmed.
BXP institutional ownership fell by 31.69 percentage points quarter-over-quarter, with a net change of -80 holders.
The top 10 institutions account for 59.8% of all reported 13F value in BXP, and the top 25 account for 78.7%.
All data is sourced from SEC Form 13F filings, which institutional investment managers with at least $100M in assets are required to file each quarter. We process every 13F filing from EDGAR and recompute the aggregates after each cycle. Insider transactions are sourced from Form 4 filings.
BXP, Inc. (BXP) Institutional Ownership