Who owns SI-BONE, Inc.?
Prices and market caps: Cboe delayed data, at least 15 minutes delayed. Not real-time. Fundamentals from company filings.
Institutional ownership of SIBN from SEC Form 13F filings across 167 reporting managers. All positions are from one synchronized reporting period — 2026-06-30 books, filed up to 45 days after quarter end — so every row is comparable.
As of the 2026-06-30 reporting period, 167 institutions disclosed 47.4M shares of SI-BONE, Inc. worth $773.9M — about 106.6% of shares outstanding; the largest disclosed holder is First Light Asset Management, LLC. Source: SEC Form 13F filings, parsed by EvidInvest.
167
13F holders
$773.9M
value, 2026 filers
106.6%
of shares outstanding (47.4M sh)
22
new positions (2026 filers)
Top institutional holders
ordered by shares owned · positions as of 2026-06-30 · % of fund = share of the manager's own book · % of co. = share of SIBN's shares outstanding
| # | Manager | Shares | Value | % of fund | % of co. | Δ shares QoQ |
|---|---|---|---|---|---|---|
| 1 | First Light Asset Management, LLC | 8.1M | $132.6M | 8.1% | 18.3% | +51.8% |
| 2 | BlackRock, Inc. | 3.7M | $60.0M | 0.0% | 8.3% | +7.2% |
| 3 | CADIAN CAPITAL MANAGEMENT, LP | 3.3M | $54.6M | 4.1% | 7.5% | +77.4% |
| 4 | AMERICAN CENTURY COMPANIES INC | 2.5M | $41.0M | 0.0% | 5.6% | +0.1% |
| 5 | BROWN ADVISORY INC | 2.1M | $33.9M | 0.1% | 4.7% | -2.1% |
| 6 | Granahan Investment Management, LLC | 1.9M | $31.5M | 1.1% | 4.3% | +11.0% |
| 7 | VANGUARD CAPITAL MANAGEMENT LLC | 1.8M | $30.0M | 0.0% | 4.1% | +4.2% |
| 8 | Impax Asset Management Group plc | 1.4M | $23.3M | 0.2% | 3.2% | 0.0% |
| 9 | GILDER GAGNON HOWE & CO LLC | 1.3M | $20.4M | 0.2% | 2.8% | +19.5% |
| 10 | PARADIGM CAPITAL MANAGEMENT INC/NY | 1.2M | $20.1M | 0.5% | 2.8% | +9.5% |
| 11 | STATE STREET CORP | 1.2M | $19.8M | 0.0% | 2.7% | +7.5% |
| 12 | SILVERCREST ASSET MANAGEMENT GROUP LLC | 1.2M | $18.9M | 0.1% | 2.6% | -6.9% |
| 13 | GEODE CAPITAL MANAGEMENT, LLC | 1.1M | $17.6M | 0.0% | 2.4% | +13.1% |
| 14 | Nuveen, LLC | 1.0M | $16.7M | 0.0% | 2.3% | -20.2% |
| 15 | Champlain Investment Partners, LLC | 896,462 | $14.6M | 0.4% | 2% | +2.1% |
| 16 | Point72 Asset Management, L.P. | 790,323 | $12.9M | 0.0% | 1.8% | -6.0% |
| 17 | First Eagle Investment Management, LLC | 768,941 | $12.5M | 0.0% | 1.7% | +20.3% |
| 18 | WELLINGTON MANAGEMENT GROUP LLP | 742,857 | $12.1M | 0.0% | 1.7% | -3.9% |
| 19 | DIMENSIONAL FUND ADVISORS LP | 708,319 | $11.6M | 0.0% | 1.6% | +14.4% |
| 20 | MARSHALL WACE, LLP | 690,288 | $11.3M | 0.0% | 1.6% | +310.6% |
| 21 | NEXT CENTURY GROWTH INVESTORS LLC | 585,289 | $9.6M | 0.5% | 1.3% | +52.4% |
| 22 | VANGUARD PORTFOLIO MANAGEMENT LLC | 548,287 | $8.9M | 0.0% | 1.2% | +32.6% |
| 23 | GOLDMAN SACHS GROUP INC | 441,912 | $7.2M | 0.0% | 1% | -29.0% |
| 24 | NORTHERN TRUST CORP | 439,161 | $7.2M | 0.0% | 1% | +22.6% |
| 25 | HighMark Wealth Management LLC | 425,049 | $6.9M | 2.3% | 1% | +165.9% |
Source: SEC Form 13F-HR filings (institutional managers over $100M in US-listed positions). 13Fs disclose long positions only, up to 45 days after quarter end; each manager's latest filed quarter is shown per row and dollar values are the manager's filed marks. Aggregates labeled "2026 filers" count only managers whose latest book is a 2026 quarter. Related: valuation · options positioning · supply chain. Research, not investment advice.