Ranked by reported Q1 2026 13F market value
Share of total reported institutional value in BSY held by the largest 10 / 25 filers.
| # | Institution | Shares Held | Market Value | QoQ Change | Ownership % | % of Fund |
|---|---|---|---|---|---|---|
| 1 | BlackRock, Inc. | 16.8M | $590.2M | -19.5% | 5.750% | 0.01% |
| 2 | Swedbank AB | 9.0M | $316.1M | +4.8% | 3.079% | 0.33% |
| 3 | VANGUARD PORTFOLIO MANAGEMENT LLC | 9.0M | $315.6M | — | 3.075% | 0.02% |
| 4 | KAYNE ANDERSON RUDNICK INVESTMENT MANAGEMENT LLC | 7.1M | $247.9M | -45.1% | 2.415% | 0.73% |
| 5 | VANGUARD CAPITAL MANAGEMENT LLC | 6.6M | $231.5M | — | 2.255% | 0.01% |
| 6 | MORGAN STANLEY | 6.1M | $213.9M | +11.3% | 2.084% | 0.01% |
| 7 | STATE STREET CORP | 4.9M | $172.7M | -15.1% | 1.682% | 0.01% |
| 8 | ARROWSTREET CAPITAL, LIMITED PARTNERSHIP | 4.8M | $167.9M | +253.6% | 1.636% | 0.09% |
| 9 | Pictet Asset Management Holding SA | 4.7M | $163.7M | +150.9% | 1.595% | 0.17% |
| 10 | GEODE CAPITAL MANAGEMENT, LLC | 3.6M | $126.0M | +3.4% | 1.227% | 0.01% |
| 11 | WILLIAM BLAIR INVESTMENT MANAGEMENT, LLC | 3.3M | $116.7M | +27.1% | 1.137% | 0.39% |
| 12 | GOLDMAN SACHS GROUP INC | 3.1M | $109.2M | +192.2% | 1.064% | 0.01% |
| 13 | Bank of New York Mellon Corp | 2.8M | $98.9M | -11.6% | 0.963% | 0.02% |
| 14 | UBS Group AG | 2.5M | $86.4M | +135.5% | 0.842% | 0.01% |
| 15 | Allianz Asset Management GmbH | 1.8M | $63.7M | — | 0.621% | 0.07% |
| 16 | Impax Asset Management Group plc | 1.7M | $58.9M | -23.0% | 0.574% | 0.41% |
| 17 | NORTHERN TRUST CORP | 1.5M | $54.0M | -21.7% | 0.526% | 0.01% |
| 18 | Woodline Partners LP | 1.5M | $51.3M | +5821.4% | 0.500% | 0.19% |
| 19 | DIMENSIONAL FUND ADVISORS LP | 1.3M | $46.6M | +12.2% | 0.454% | 0.01% |
| 20 | MANNING & NAPIER ADVISORS LLC | 1.3M | $44.9M | -41.1% | 0.437% | 0.63% |
| 21 | MILLENNIUM MANAGEMENT LLC | 1.3M | $44.8M | +66.4% | 0.436% | 0.03% |
| 22 | MIROVA | 1.3M | $44.2M | +335.9% | 0.430% | 1.79% |
| 23 | Invesco Ltd. | 1.3M | $44.2M | -8.0% | 0.430% | 0.01% |
| 24 | WELLS FARGO & COMPANY/MN | 1.2M | $42.2M | -38.8% | 0.411% | 0.01% |
| 25 | NOMURA ASSET MANAGEMENT INTERNATIONAL INC. | 1.1M | $40.0M | +1.8% | 0.390% | 0.07% |
denotes a marquee investor (Buffett, Burry, ARK, Tiger Global, Pershing Square, Baupost and other widely-followed managers). “% of Fund” shows how much of that investor’s total 13F portfolio is invested in BSY — a direct measure of their conviction.
Filings activity in BSY during Q1 2026, grouped by how each filer changed its position.
8 quarters of 13F filings · Δ columns show change vs prior quarter
| Quarter | Inst. Holders | Δ Holders | Ownership % | Δ Ownership | Total 13F Value | Δ Value |
|---|---|---|---|---|---|---|
| Q1 2026 | 436 | 9.0% | 53.59% | 4.38 pp | $4.80B | 7.6% |
| Q4 2025 | 479 | +6.2% | 57.97% | 16.88 pp | $5.20B | 23% |
| Q3 2025 | 451 | +1.6% | 74.85% | 0.28 pp | $6.71B | 0.4% |
| Q2 2025 | 444 | +4.0% | 75.13% | +23.76 pp | $6.73B | +46% |
| Q1 2025 | 427 | +0.7% | 51.37% | 9.82 pp | $4.61B | 16% |
| Q4 2024 | 424 | +5.0% | 61.19% | 5.19 pp | $5.48B | 7.8% |
| Q3 2024 | 404 | 1.0% | 66.38% | +1.50 pp | $5.95B | +2.3% |
| Q2 2024 | 408 | — | 64.88% | — | $5.82B | — |
Source: SEC 13F institutional filings. Ownership % requires market cap data and will show once linked. Δ columns compare to the immediately prior filed quarter.
Quick answers to the most common questions about buying BSY stock.
Based on Q1 2026 13F filings, institutional ownership of Bentley Systems, Incorporated stands at 53.6%, held across 436 reporting institutions.
BlackRock, Inc. is the largest reported institutional holder of BSY, with approximately 16,805,246 shares worth $0.59B as of Q1 2026.
Yes — 1 widely-followed marquee investor appear among the top 25 institutional holders of BSY, including MILLENNIUM MANAGEMENT LLC.
Our composite Smart Money Score for BSY is 28 out of 100 (Bearish). It combines net institutional buying activity, ownership shift, marquee investor presence, and holder-count growth.
83 institutions opened new positions in BSY during Q1 2026, while 126 fully exited. 120 added to existing positions and 226 trimmed.
BSY institutional ownership fell by 4.38 percentage points quarter-over-quarter, with a net change of -43 holders.
The top 10 institutions account for 53.0% of all reported 13F value in BSY, and the top 25 account for 72.7%.
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.
Bentley Systems, Incorporated (BSY) Institutional Ownership