Security record · archived quarter
SIBN
SI-BONE, Inc. · Healthcare · Medical - Devices
70Tracked holders
-5Δ holders
21.53MShares held
$351.34MReported value
+5New positions
−11Exits
Momentum inputs (comparable managers):
holder breadth -6.7% ·
share flow -3.6% ·
net new positions -8.6%
— formula
Broad distribution — falling shares and fewer holders
All ownership figures: tracked 13F managers only, common-stock positions, reporting period Q2 2026
Ownership over time
| Quarter | Holders | Δ | Shares | Reported value | New | Exits |
|---|---|---|---|---|---|---|
| Q2 2026 | 70 | -5 | 21.53M | $351.34M | +5 | −11 |
| Q1 2026 | 79 | +1 | 23.03M | $291.05M | +5 | −4 |
| Q4 2025 | 78 | 0 | 24.06M | $474.39M | — | — |
| Q3 2025 | 19 | +1 | 12.33M | $181.55M | +1 | — |
| Q2 2025 | 15 | +2 | 10.81M | $203.36M | +2 | — |
| Q1 2025 | 10 | +1 | 3.68M | $51.58M | +1 | — |
| Q4 2024 | 9 | +1 | 3.29M | $46.06M | +1 | — |
| Q3 2024 | 7 | -4 | 2.33M | $32.61M | — | −4 |
| Q2 2024 | 11 | — | 2.96M | $38.30M | — | — |
Who holds it · Q2 2026
| # | Manager | Shares | Δ shares | Value | Their weight | Held | ||
|---|---|---|---|---|---|---|---|---|
| 1 | BlackRock ✦ (passive) | 3.68M | +7.2% | $60.00M | 0.0% | ▲ Add | 5 | SEC ↗ |
| 2 | BlackRock ✦ (passive) | 3.68M | +7.2% | $60.00M | 0.0% | ▲ Add | 5 | SEC ↗ |
| 3 | BlackRock ✦ (passive) | 3.68M | +7.2% | $60.00M | 0.0% | ▲ Add | 5 | SEC ↗ |
| 4 | BlackRock ✦ (passive) | 3.68M | +7.2% | $60.00M | 0.0% | ▲ Add | 5 | SEC ↗ |
| 5 | BlackRock ✦ (passive) | 3.68M | +7.2% | $60.00M | 0.0% | ▲ Add | 5 | SEC ↗ |
| 6 | BlackRock ✦ (passive) | 3.68M | +7.2% | $60.00M | 0.0% | ▲ Add | 5 | SEC ↗ |
| 7 | BlackRock ✦ (passive) | 3.68M | +7.2% | $60.00M | 0.0% | ▲ Add | 5 | SEC ↗ |
| 8 | BlackRock ✦ (passive) | 3.68M | +7.2% | $60.00M | 0.0% | ▲ Add | 5 | SEC ↗ |
| 9 | BlackRock ✦ (passive) | 3.68M | +7.2% | $60.00M | 0.0% | ▲ Add | 5 | SEC ↗ |
| 10 | BlackRock ✦ (passive) | 3.68M | +7.2% | $60.00M | 0.0% | ▲ Add | 5 | SEC ↗ |
| 11 | BlackRock ✦ (passive) | 3.68M | +7.2% | $60.00M | 0.0% | ▲ Add | 5 | SEC ↗ |
| 12 | American Century Companies Inc | 2.51M | +0.1% | $40.98M | 0.0% | ▲ Add | 3 | SEC ↗ |
| 13 | Brown Advisory Inc | 2.08M | -2.1% | $33.90M | 0.1% | ▼ Trim | 3 | SEC ↗ |
| 14 | Brown Advisory Inc | 2.08M | -2.1% | $33.90M | 0.1% | ▼ Trim | 3 | SEC ↗ |
| 15 | Vanguard Capital Management Llc | 1.84M | +4.2% | $30.00M | 0.0% | ▲ Add | 2 | SEC ↗ |
| 16 | State Street Global Advisors ✦ (passive) | 1.21M | +7.5% | $19.85M | 0.0% | ▲ Add | 7 | SEC ↗ |
| 17 | Geode Capital Management ✦ (passive) | 1.08M | +13.2% | $17.58M | 0.0% | ▲ Add | 9 | SEC ↗ |
| 18 | Geode Capital Management ✦ (passive) | 1.08M | +13.2% | $17.58M | 0.0% | ▲ Add | 9 | SEC ↗ |
| 19 | Nuveen, LLC | 1.03M | -20.2% | $16.74M | 0.0% | ▼ Trim | 3 | SEC ↗ |
| 20 | Nuveen, LLC | 1.03M | -20.2% | $16.74M | 0.0% | ▼ Trim | 3 | SEC ↗ |
| 21 | Nuveen, LLC | 1.03M | -20.2% | $16.74M | 0.0% | ▼ Trim | 3 | SEC ↗ |
| 22 | Point72 Asset Management ✦ | 790.32K | -6.0% | $12.90M | 0.0% | ▼ Trim | 5 | SEC ↗ |
| 23 | Wellington Management ✦ | 742.86K | -3.9% | $12.12M | 0.0% | ▼ Trim | 9 | SEC ↗ |
| 24 | Wellington Management ✦ | 742.86K | -3.9% | $12.12M | 0.0% | ▼ Trim | 9 | SEC ↗ |
| 25 | Wellington Management ✦ | 742.86K | -3.9% | $12.12M | 0.0% | ▼ Trim | 9 | SEC ↗ |
| 26 | Wellington Management ✦ | 742.86K | -3.9% | $12.12M | 0.0% | ▼ Trim | 9 | SEC ↗ |
| 27 | Wellington Management ✦ | 742.86K | -3.9% | $12.12M | 0.0% | ▼ Trim | 9 | SEC ↗ |
| 28 | Dimensional Fund Advisors Lp | 708.32K | +14.4% | $11.56M | 0.0% | ▲ Add | 3 | SEC ↗ |
| 29 | Dimensional Fund Advisors Lp | 708.32K | +14.4% | $11.56M | 0.0% | ▲ Add | 3 | SEC ↗ |
| 30 | Dimensional Fund Advisors Lp | 708.32K | +14.4% | $11.56M | 0.0% | ▲ Add | 3 | SEC ↗ |
| 31 | Dimensional Fund Advisors Lp | 708.32K | +14.4% | $11.56M | 0.0% | ▲ Add | 3 | SEC ↗ |
| 32 | Marshall Wace ✦ | 690.29K | +310.6% | $11.27M | 0.0% | ▲ Add | 9 | SEC ↗ |
| 33 | Marshall Wace ✦ | 690.29K | +310.6% | $11.27M | 0.0% | ▲ Add | 9 | SEC ↗ |
| 34 | Marshall Wace ✦ | 690.29K | +310.6% | $11.27M | 0.0% | ▲ Add | 9 | SEC ↗ |
| 35 | Marshall Wace ✦ | 690.29K | +310.6% | $11.27M | 0.0% | ▲ Add | 9 | SEC ↗ |
| 36 | Goldman Sachs Group ✦ | 441.91K | -29.0% | $7.21M | 0.0% | ▼ Trim | 4 | SEC ↗ |
| 37 | Goldman Sachs Group ✦ | 441.91K | -29.0% | $7.21M | 0.0% | ▼ Trim | 4 | SEC ↗ |
| 38 | Northern Trust Corp | 439.16K | +22.6% | $7.17M | 0.0% | ▲ Add | 3 | SEC ↗ |
| 39 | Northern Trust Corp | 439.16K | +22.6% | $7.17M | 0.0% | ▲ Add | 3 | SEC ↗ |
| 40 | Northern Trust Corp | 439.16K | +22.6% | $7.17M | 0.0% | ▲ Add | 3 | SEC ↗ |
| 41 | Northern Trust Corp | 439.16K | +22.6% | $7.17M | 0.0% | ▲ Add | 3 | SEC ↗ |
| 42 | Northern Trust Corp | 439.16K | +22.6% | $7.17M | 0.0% | ▲ Add | 3 | SEC ↗ |
| 43 | Bank Of America Corp /De/ | 421.53K | +0.5% | $6.88M | 0.0% | ▲ Add | 3 | SEC ↗ |
| 44 | Bank Of America Corp /De/ | 421.53K | +0.5% | $6.88M | 0.0% | ▲ Add | 3 | SEC ↗ |
| 45 | Bank Of America Corp /De/ | 421.53K | +0.5% | $6.88M | 0.0% | ▲ Add | 3 | SEC ↗ |
| 46 | Millennium Management ✦ | 364.29K | -1.4% | $5.95M | 0.0% | ▼ Trim | 6 | SEC ↗ |
| 47 | Charles Schwab Investment… | 342.78K | +8.7% | $5.59M | 0.0% | ▲ Add | 3 | SEC ↗ |
| 48 | Sei Investments Co | 274.75K | -3.5% | $4.48M | 0.0% | ▼ Trim | 3 | SEC ↗ |
| 49 | Sei Investments Co | 274.75K | -3.5% | $4.48M | 0.0% | ▼ Trim | 3 | SEC ↗ |
| 50 | AQR Capital Management ✦ | 253.85K | +339.9% | $4.14M | 0.0% | ▲ Add | 9 | SEC ↗ |
| 51 | AQR Capital Management ✦ | 253.85K | +339.9% | $4.14M | 0.0% | ▲ Add | 9 | SEC ↗ |
| 52 | AQR Capital Management ✦ | 253.85K | +339.9% | $4.14M | 0.0% | ▲ Add | 9 | SEC ↗ |
| 53 | AQR Capital Management ✦ | 253.85K | +339.9% | $4.14M | 0.0% | ▲ Add | 9 | SEC ↗ |
| 54 | AQR Capital Management ✦ | 253.85K | +339.9% | $4.14M | 0.0% | ▲ Add | 9 | SEC ↗ |
| 55 | AQR Capital Management ✦ | 253.85K | +339.9% | $4.14M | 0.0% | ▲ Add | 9 | SEC ↗ |
| 56 | AQR Capital Management ✦ | 253.85K | +339.9% | $4.14M | 0.0% | ▲ Add | 9 | SEC ↗ |
| 57 | D. E. Shaw & Co. ✦ | 185.87K | -1.7% | $3.03M | 0.0% | ▼ Trim | 5 | SEC ↗ |
| 58 | Victory Capital Management Inc | 145.17K | -4.5% | $2.37M | 0.0% | ▼ Trim | 3 | SEC ↗ |
| 59 | Nomura Asset Management… | 133.14K | -3.7% | $2.17M | 0.0% | ▼ Trim | 3 | SEC ↗ |
| 60 | UBS Group AG | 131.78K | +173.1% | $2.15M | 0.0% | ▲ Add | 3 | SEC ↗ |
| 61 | UBS Group AG | 131.78K | +173.1% | $2.15M | 0.0% | ▲ Add | 3 | SEC ↗ |
| 62 | Tudor Investment Corp Et Al | 131.41K | +1.0% | $2.14M | 0.0% | ▲ Add | 3 | SEC ↗ |
| 63 | Morgan Stanley ✦ | 130.91K | -81.6% | $2.14M | 0.0% | ▼ Trim | 4 | SEC ↗ |
| 64 | Morgan Stanley ✦ | 130.91K | -81.6% | $2.14M | 0.0% | ▼ Trim | 4 | SEC ↗ |
| 65 | Morgan Stanley ✦ | 130.91K | -81.6% | $2.14M | 0.0% | ▼ Trim | 4 | SEC ↗ |
| 66 | Morgan Stanley ✦ | 130.91K | -81.6% | $2.14M | 0.0% | ▼ Trim | 4 | SEC ↗ |
| 67 | Morgan Stanley ✦ | 130.91K | -81.6% | $2.14M | 0.0% | ▼ Trim | 4 | SEC ↗ |
| 68 | Morgan Stanley ✦ | 130.91K | -81.6% | $2.14M | 0.0% | ▼ Trim | 4 | SEC ↗ |
| 69 | Russell Investments Group, Ltd. | 121.72K | -0.9% | $1.99M | 0.0% | ▼ Trim | 3 | SEC ↗ |
| 70 | Russell Investments Group, Ltd. | 121.72K | -0.9% | $1.99M | 0.0% | ▼ Trim | 3 | SEC ↗ |
| 71 | Russell Investments Group, Ltd. | 121.72K | -0.9% | $1.99M | 0.0% | ▼ Trim | 3 | SEC ↗ |
| 72 | Russell Investments Group, Ltd. | 121.72K | -0.9% | $1.99M | 0.0% | ▼ Trim | 3 | SEC ↗ |
| 73 | Russell Investments Group, Ltd. | 121.72K | -0.9% | $1.99M | 0.0% | ▼ Trim | 3 | SEC ↗ |
| 74 | Bank of New York Mellon Corp | 120.57K | +19.8% | $1.97M | 0.0% | ▲ Add | 3 | SEC ↗ |
| 75 | Bank of New York Mellon Corp | 120.57K | +19.8% | $1.97M | 0.0% | ▲ Add | 3 | SEC ↗ |
| 76 | Bank of New York Mellon Corp | 120.57K | +19.8% | $1.97M | 0.0% | ▲ Add | 3 | SEC ↗ |
| 77 | Bank of New York Mellon Corp | 120.57K | +19.8% | $1.97M | 0.0% | ▲ Add | 3 | SEC ↗ |
| 78 | Bank of New York Mellon Corp | 120.57K | +19.8% | $1.97M | 0.0% | ▲ Add | 3 | SEC ↗ |
| 79 | Squarepoint Ops LLC | 118.13K | +40.3% | $1.93M | 0.0% | ▲ Add | 3 | SEC ↗ |
| 80 | Balyasny Asset Management L.P. | 100.36K | New | $1.64M | 0.0% | New | 1 | SEC ↗ |
| 81 | Balyasny Asset Management L.P. | 100.36K | New | $1.64M | 0.0% | New | 1 | SEC ↗ |
| 82 | JPMorgan Chase ✦ | 95.73K | -23.5% | $1.62M | 0.0% | ▼ Trim | 4 | SEC ↗ |
| 83 | JPMorgan Chase ✦ | 95.73K | -23.5% | $1.62M | 0.0% | ▼ Trim | 4 | SEC ↗ |
| 84 | JPMorgan Chase ✦ | 95.73K | -23.5% | $1.62M | 0.0% | ▼ Trim | 4 | SEC ↗ |
| 85 | JPMorgan Chase ✦ | 95.73K | -23.5% | $1.62M | 0.0% | ▼ Trim | 4 | SEC ↗ |
| 86 | Citigroup Inc | 90.30K | +26.1% | $1.47M | 0.0% | ▲ Add | 3 | SEC ↗ |
| 87 | Citigroup Inc | 90.30K | +26.1% | $1.47M | 0.0% | ▲ Add | 3 | SEC ↗ |
| 88 | Swiss National Bank | 84.20K | +4.1% | $1.37M | 0.0% | ▲ Add | 3 | SEC ↗ |
| 89 | Principal Financial Group Inc | 76.54K | +9.3% | $1.25M | 0.0% | ▲ Add | 3 | SEC ↗ |
| 90 | Principal Financial Group Inc | 76.54K | +9.3% | $1.25M | 0.0% | ▲ Add | 3 | SEC ↗ |
| 91 | T. Rowe Price ✦ | 66.25K | +33.0% | $1.08M | 0.0% | ▲ Add | 9 | SEC ↗ |
| 92 | Jane Street Group, Llc | 64.79K | New | $1.06M | 0.0% | New | 1 | SEC ↗ |
| 93 | Jane Street Group, Llc | 64.79K | New | $1.06M | 0.0% | New | 1 | SEC ↗ |
| 94 | Invesco Ltd. | 62.24K | +12.1% | $1.02M | 0.0% | ▲ Add | 3 | SEC ↗ |
| 95 | Invesco Ltd. | 62.24K | +12.1% | $1.02M | 0.0% | ▲ Add | 3 | SEC ↗ |
| 96 | Invesco Ltd. | 62.24K | +12.1% | $1.02M | 0.0% | ▲ Add | 3 | SEC ↗ |
| 97 | Invesco Ltd. | 62.24K | +12.1% | $1.02M | 0.0% | ▲ Add | 3 | SEC ↗ |
| 98 | Invesco Ltd. | 62.24K | +12.1% | $1.02M | 0.0% | ▲ Add | 3 | SEC ↗ |
| 99 | UBS AM, a distinct business unit of… | 59.74K | -31.6% | $974,891 | 0.0% | ▼ Trim | 3 | SEC ↗ |
| 100 | UBS AM, a distinct business unit of… | 59.74K | -31.6% | $974,891 | 0.0% | ▼ Trim | 3 | SEC ↗ |
“Their weight” = the position's share of that manager's reported 13F equity value — the conviction measure. ✦ = curated manager.
New buyers
| Balyasny Asset Management L.P. | $1.64M | 0.0% |
| Balyasny Asset Management L.P. | $1.64M | 0.0% |
| Jane Street Group, Llc | $1.06M | 0.0% |
| Jane Street Group, Llc | $1.06M | 0.0% |
Exited
| First Eagle Investment… | $8.07M | was 0.0% |
| Qube Research & Technologies… | $4.69M | was 0.0% |
| Assenagon Asset Management… | $2.83M | was 0.0% |
| Citadel Advisors | $2.38M | was 0.0% |
| Lazard Asset Management Llc | $1.29M | was 0.0% |
| Man Group plc | $1.05M | was 0.0% |
| Two Sigma Investments | $734,397 | was 0.0% |
| Hsbc Holdings Plc | $238,314 | was 0.0% |
| Susquehanna International… | $228,199 | was 0.0% |
| Canada Pension Plan… | $127,563 | was 0.0% |
| Us Bancorp \De\ | $227 | was 0.0% |
Full-market context: across ALL 13F filers (SEC structured data, Q1 2026): 178 holders, 43.26M shares, $537.87M reported. This is a different, older period than the tracked-universe figures above and the two are never mixed.
Frequently co-owned
What else this security's tracked holders most often hold — shared-ownership counts, not fundamental relationships.
Open-market purchases (P)
No open-market insider purchases in our coverage window.
Open-market sales (S)
Aug 21
Maheshwari Anshul
Officer · 11.23K sh · $224,785
Aug 21
FRANCIS LAURA
Officer, Director · 3.92K sh · $78,538
Aug 20
FRANCIS LAURA
Officer, Director · 51.88K sh · $1.01M
Aug 19
Maheshwari Anshul
Officer · 5.75K sh · $112,354
Aug 17
FRANCIS LAURA
Officer, Director · 2.24K sh · $41,772
Aug 17
FRANCIS LAURA
Officer, Director · 1.97K sh · $36,755
Aug 17
FRANCIS LAURA
Officer, Director · 3.89K sh · $72,616
Aug 17
FRANCIS LAURA
Officer, Director · 3.65K sh · $68,144
Aug 17
FRANCIS LAURA
Officer, Director · 3.20K sh · $59,778
Awards, exercises and tax withholding are never counted as buys or sales here. Methodology
Aug 14
SC 13G — CADIAN CAPITAL MANAGEMENT, LP
Jul 30
SC 13G/A — BlackRock, Inc.
Provenance: Ownership from parsed 13F common-stock positions (tracked universe, comparable sets for changes); insider rows from Forms 3/4/5; stakes from Schedules 13D/13G; every filing links to its original on SEC EDGAR.
Reporting period: Q2 2026 ·
Methodology ·
Get this via the API