SI-BONE (SIBN)
Builds iFuse implants for sacroiliac fusion, adult deformity, and pelvic trauma.
$18.81
After hours−0.01 (−0.05%)
At close$18.82(+2.01%)
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13F · 13D/G · Form 4
| Institutions | 106.58% | 47.77M shares | |
|---|---|---|---|
| 173 holders · as of Jun 30, 2026 | |||
| Insiders | 4.69% | 2.10M shares | |
| 12 holders · as of Sep 3, 2026 | |||
| Adds to | 111.27% | ||
44.82M company shares as of Sep 22, 2026 · institutions as of Jun 30, 2026 · holders as of their latest filing
These groups come from separate filings that can overlap, so they add to 111.27%; nothing is left for Other.
13F, as of Jun 30, 2026
173 holders · 47.77M shares · 24 new positions · 105 increased · 47 reduced · 32 closed
| Holder | Shares | % outstanding | Chg q/q | Filed |
|---|---|---|---|---|
| First Light Asset Management, LLC | 8.13M | 18.14% | +2.77M | Aug 14, 2026 |
| BlackRock, Inc. | 3.68M | 8.20% | +247.7K | Aug 7, 2026 |
| Cadian Capital Management, LP | 3.35M | 7.47% | +1.46M | Aug 14, 2026 |
| American Century Companies Inc | 2.51M | 5.60% | +1.9K | Aug 12, 2026 |
| Brown Advisory Inc | 2.08M | 4.63% | −45.2K | Aug 14, 2026 |
| Granahan Investment Management, LLC | 1.93M | 4.31% | +192.1K | Aug 14, 2026 |
| Vanguard Capital Management LLC | 1.84M | 4.10% | +74.2K | Aug 13, 2026 |
| Impax Asset Management Group PLC | 1.43M | 3.18% | 0 | Aug 11, 2026 |
13D/G · 5% or more, as filed
| Holder | % of class | Shares | Form | Filed |
|---|---|---|---|---|
| First Light Asset Management, LLC | 18.02% | 7.97M | 13G | May 7, 2026 |
| Cadian Capital Management, LP | 7.50% | 3.35M | 13G | Aug 14, 2026 |
| BlackRock, Inc. | 6.90% | 3.06M | 13G | Apr 24, 2026 |
| American Century Investment Management, Inc. | 6.20% | 2.64M | 13G | May 15, 2025 |
| Brown Advisory Inc | 5.79% | 2.51M | 13G | Feb 13, 2026 |
Form 4
Latest trades
| Date | Insider | Type | Shares | Avg price | Owned after |
|---|---|---|---|---|---|
| Sep 1, 2026 | Jeffrey W. Dunndirector | Sale · 2 lots | 20,000 | $18.91 | 16,057 |
| Aug 24, 2026 | Anshul Maheshwariofficer: Chief Op & Financial Officer | Sale | 11,636 | $20.11 | 223,284 |
| Aug 24, 2026 | Laura Francisdirector, officer: Chief Executive Officer | Sale | 25,972 | $20.12 | 291,491 |
| Aug 21, 2026 | Anshul Maheshwariofficer: Chief Op & Financial Officer | Sale | 11,228 | $20.02 | 234,920 |
| Aug 19, 2026 | Anshul Maheshwariofficer: Chief Op & Financial Officer | Sale | 5,747 | $19.55 | 246,148 |
| Aug 21, 2026 | Laura Francisdirector, officer: Chief Executive Officer | Sale | 3,923 | $20.02 | 317,463 |
| Aug 20, 2026 | Laura Francisdirector, officer: Chief Executive Officer | Sale | 51,884 | $19.46 | 321,386 |
| Aug 17, 2026 | Michael A. Pisetskyofficer: SVP, Ops & Adm/Chief Legal Ofr | Sale · 2 lots | 3,725 | $18.63 | 273,650 |
| Aug 17, 2026 | Laura Francisdirector, officer: Chief Executive Officer | Sale · 5 lots | 14,956 | $18.66 | 490,461 |
| Aug 17, 2026 | Anshul Maheshwariofficer: Chief Financial Officer | Sale · 2 lots | 4,665 | $18.65 | 251,895 |
House and Senate disclosures
Not reported.