Security record · archived quarter
SIBN
SI-BONE, Inc. · Healthcare · Medical - Devices
79Tracked holders
+1Δ holders
23.03MShares held
$291.05MReported value
+5New positions
−4Exits
Momentum inputs (comparable managers):
holder breadth +1.3% ·
share flow -1.2% ·
net new positions +1.3%
· formula
Ownership fragmentation: more holders, smaller aggregate stake
All ownership figures: tracked 13F managers only, common-stock positions, reporting period Q1 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 | n/a | n/a |
| Q3 2025 | 19 | +1 | 12.33M | $181.55M | +1 | n/a |
| Q2 2025 | 15 | +2 | 10.81M | $203.36M | +2 | n/a |
| Q1 2025 | 10 | +1 | 3.68M | $51.58M | +1 | n/a |
| Q4 2024 | 9 | +1 | 3.29M | $46.06M | +1 | n/a |
| Q3 2024 | 7 | -4 | 2.33M | $32.61M | n/a | −4 |
| Q2 2024 | 11 | n/a | 2.96M | $38.30M | n/a | n/a |
Who holds it · Q1 2026
| # | Manager | Shares | Δ shares | Value | Their weight | Held | ||
|---|---|---|---|---|---|---|---|---|
| 1 | BlackRock ✦ (passive) | 3.43M | -1.7% | $43.30M | 0.0% | ▼ Trim | 4 | SEC ↗ ×13 |
| 2 | American Century Companies Inc | 2.51M | +9.1% | $31.69M | 0.0% | ▲ Add | 2 | SEC ↗ |
| 3 | Brown Advisory Inc | 2.12M | -13.8% | $26.81M | 0.0% | ▼ Trim | 2 | SEC ↗ ×2 |
| 4 | Vanguard Capital Management Llc | 1.76M | n/a | $22.28M | 0.0% | n/c | 1 | SEC ↗ |
| 5 | Nuveen, LLC | 1.29M | -9.6% | $16.24M | 0.0% | ▼ Trim | 2 | SEC ↗ ×3 |
| 6 | State Street Global Advisors ✦ (passive) | 1.13M | +12.4% | $14.27M | 0.0% | ▲ Add | 6 | SEC ↗ |
| 7 | Geode Capital Management ✦ (passive) | 951.73K | +3.3% | $12.02M | 0.0% | ▲ Add | 8 | SEC ↗ ×2 |
| 8 | Point72 Asset Management ✦ | 840.35K | +12.7% | $10.61M | 0.0% | ▲ Add | 4 | SEC ↗ |
| 9 | Wellington Management ✦ | 772.61K | -6.1% | $9.76M | 0.0% | ▼ Trim | 8 | SEC ↗ ×5 |
| 10 | Morgan Stanley ✦ | 712.51K | +247.7% | $9.00M | 0.0% | ▲ Add | 3 | SEC ↗ ×7 |
| 11 | First Eagle Investment Management… | 638.94K | +18.9% | $8.07M | 0.0% | ▲ Add | 2 | SEC ↗ ×2 |
| 12 | Goldman Sachs Group ✦ | 622.44K | -7.9% | $7.86M | 0.0% | ▼ Trim | 3 | SEC ↗ ×2 |
| 13 | Dimensional Fund Advisors Lp | 618.94K | +41.8% | $7.82M | 0.0% | ▲ Add | 2 | SEC ↗ ×4 |
| 14 | Renaissance Technologies ✦ | 472.62K | +101.6% | $5.97M | 0.0% | ▲ Add | 6 | SEC ↗ |
| 15 | Bank Of America Corp /De/ | 419.47K | +8.7% | $5.30M | 0.0% | ▲ Add | 2 | SEC ↗ ×3 |
| 16 | Qube Research & Technologies Ltd | 371.53K | +61.7% | $4.69M | 0.0% | ▲ Add | 2 | SEC ↗ |
| 17 | Millennium Management ✦ | 369.30K | +243.8% | $4.66M | 0.0% | ▲ Add | 5 | SEC ↗ |
| 18 | Northern Trust Corp | 358.34K | +1.1% | $4.53M | 0.0% | ▲ Add | 2 | SEC ↗ ×5 |
| 19 | Charles Schwab Investment… | 315.47K | -1.9% | $3.98M | 0.0% | ▼ Trim | 2 | SEC ↗ |
| 20 | Sei Investments Co | 284.77K | +67.3% | $3.60M | 0.0% | ▲ Add | 2 | SEC ↗ ×2 |
| 21 | Assenagon Asset Management S.A. | 224.00K | -0.4% | $2.83M | 0.0% | ▼ Trim | 2 | SEC ↗ |
| 22 | D. E. Shaw & Co. ✦ | 189.03K | -53.2% | $2.39M | 0.0% | ▼ Trim | 4 | SEC ↗ |
| 23 | Citadel Advisors ✦ | 188.23K | -39.4% | $2.38M | 0.0% | ▼ Trim | 8 | SEC ↗ |
| 24 | Marshall Wace ✦ | 168.13K | -49.9% | $2.12M | 0.0% | ▼ Trim | 8 | SEC ↗ ×2 |
| 25 | Victory Capital Management Inc | 151.96K | -5.8% | $1.92M | 0.0% | ▼ Trim | 2 | SEC ↗ |
| 26 | Nomura Asset Management… | 138.25K | +32.0% | $1.75M | 0.0% | ▲ Add | 2 | SEC ↗ |
| 27 | Tudor Investment Corp Et Al | 130.12K | -49.9% | $1.64M | 0.0% | ▼ Trim | 2 | SEC ↗ |
| 28 | Russell Investments Group, Ltd. | 122.80K | -33.1% | $1.55M | 0.0% | ▼ Trim | 2 | SEC ↗ ×5 |
| 29 | JPMorgan Chase ✦ | 125.10K | -34.5% | $1.54M | 0.0% | ▼ Trim | 3 | SEC ↗ ×3 |
| 30 | Lazard Asset Management Llc | 102.50K | -3.2% | $1.29M | 0.0% | ▼ Trim | 2 | SEC ↗ |
| 31 | Bank of New York Mellon Corp | 100.64K | -2.6% | $1.27M | 0.0% | ▼ Trim | 2 | SEC ↗ ×4 |
| 32 | UBS AM, a distinct business unit of… | 87.27K | +1.9% | $1.10M | 0.0% | ▲ Add | 2 | SEC ↗ ×5 |
| 33 | Squarepoint Ops LLC | 84.18K | -49.3% | $1.06M | 0.0% | ▼ Trim | 2 | SEC ↗ |
| 34 | Man Group plc | 82.81K | +69.3% | $1.05M | 0.0% | ▲ Add | 2 | SEC ↗ |
| 35 | Swiss National Bank | 80.90K | 0.0% | $1.02M | 0.0% | Held | 2 | SEC ↗ |
| 36 | Universal- Beteiligungs- und… | 74.23K | -28.0% | $937,513 | 0.0% | ▼ Trim | 2 | SEC ↗ |
| 37 | Citigroup Inc | 71.61K | -35.1% | $904,447 | 0.0% | ▼ Trim | 2 | SEC ↗ ×2 |
| 38 | Principal Financial Group Inc | 70.03K | +22.6% | $884,441 | 0.0% | ▲ Add | 2 | SEC ↗ ×2 |
| 39 | Two Sigma Investments ✦ | 58.15K | -76.8% | $734,397 | 0.0% | ▼ Trim | 8 | SEC ↗ |
| 40 | AQR Capital Management ✦ | 57.70K | +171.4% | $728,763 | 0.0% | ▲ Add | 8 | SEC ↗ ×8 |
| 41 | Alliancebernstein L.P. | 35.75K | 0.0% | $704,990 | 0.0% | Held | 2 | SEC ↗ |
| 42 | Invesco Ltd. | 55.53K | -0.3% | $701,319 | 0.0% | ▼ Trim | 2 | SEC ↗ ×4 |
| 43 | Raymond James Financial Inc | 50.36K | -26.6% | $635,996 | 0.0% | ▼ Trim | 2 | SEC ↗ ×3 |
| 44 | T. Rowe Price ✦ | 49.83K | +34.1% | $630,000 | 0.0% | ▲ Add | 8 | SEC ↗ |
| 45 | UBS Group AG | 48.25K | -53.9% | $609,410 | 0.0% | ▼ Trim | 2 | SEC ↗ ×2 |
| 46 | Rhumbline Advisers | 46.64K | -1.9% | $589,091 | 0.0% | ▼ Trim | 2 | SEC ↗ |
| 47 | Barclays Plc | 43.56K | -57.5% | $550,213 | 0.0% | ▼ Trim | 2 | SEC ↗ ×3 |
| 48 | California State Teachers… | 39.26K | -0.7% | $495,866 | 0.0% | ▼ Trim | 2 | SEC ↗ |
| 49 | Deutsche Bank Ag\ | 36.81K | +9.0% | $464,935 | 0.0% | ▲ Add | 2 | SEC ↗ ×2 |
| 50 | Legal & General Group Plc | 31.52K | -22.5% | $398,162 | 0.0% | ▼ Trim | 2 | SEC ↗ ×3 |
| 51 | Quantinno Capital Management LP | 29.48K | +58.2% | $372,269 | 0.0% | ▲ Add | 2 | SEC ↗ |
| 52 | Voya Investment Management Llc | 25.14K | -0.8% | $317,556 | 0.0% | ▼ Trim | 2 | SEC ↗ |
| 53 | Franklin Resources Inc | 22.50K | -0.1% | $284,163 | 0.0% | ▼ Trim | 2 | SEC ↗ ×2 |
| 54 | Zurcher Kantonalbank (Zurich… | 20.04K | +21.4% | $253,130 | 0.0% | ▲ Add | 2 | SEC ↗ |
| 55 | Corient Private Wealth LP | 20.01K | New | $252,702 | 0.0% | New | 1 | SEC ↗ |
| 56 | Hsbc Holdings Plc | 18.81K | -61.3% | $238,314 | 0.0% | ▼ Trim | 2 | SEC ↗ ×2 |
| 57 | MIRAE ASSET GLOBAL ETFS HOLDINGS… | 18.08K | +1.1% | $228,325 | 0.0% | ▲ Add | 2 | SEC ↗ |
| 58 | Susquehanna International Group, Llp | 18.07K | New | $228,199 | 0.0% | New | 1 | SEC ↗ |
| 59 | Hrt Financial Lp | 14.87K | -72.2% | $187,000 | 0.0% | ▼ Trim | 2 | SEC ↗ |
| 60 | Wells Fargo & Company/Mn | 14.62K | -65.8% | $184,659 | 0.0% | ▼ Trim | 2 | SEC ↗ ×2 |
| 61 | Janus Henderson Group Plc | 12.78K | 0.0% | $161,501 | 0.0% | Held | 2 | SEC ↗ |
| 62 | New York State Common Retirement… | 12.13K | 0.0% | $153,265 | 0.0% | Held | 2 | SEC ↗ |
| 63 | Mercer Global Advisors Inc /Adv | 11.76K | -1.7% | $148,567 | 0.0% | ▼ Trim | 2 | SEC ↗ |
| 64 | Manufacturers Life Insurance… | 10.61K | -9.6% | $134,017 | 0.0% | ▼ Trim | 2 | SEC ↗ |
| 65 | State Board Of Administration Of… | 10.33K | 0.0% | $130,468 | 0.0% | Held | 2 | SEC ↗ |
| 66 | Canada Pension Plan Investment Board | 10.10K | +405.0% | $127,563 | 0.0% | ▲ Add | 2 | SEC ↗ |
| 67 | Bnp Paribas Financial Markets | 10.04K | -93.8% | $126,868 | 0.0% | ▼ Trim | 2 | SEC ↗ |
| 68 | Cwm, Llc | 4.70K | +511.3% | $59,374 | 0.0% | ▲ Add | 2 | SEC ↗ |
| 69 | Pnc Financial Services Group, Inc. | 2.99K | -30.4% | $37,814 | 0.0% | ▼ Trim | 2 | SEC ↗ |
| 70 | Fidelity (FMR) ✦ | 2.07K | -12.0% | $26,097 | 0.0% | ▼ Trim | 4 | SEC ↗ ×2 |
| 71 | Osaic Holdings, Inc. | 1.52K | +50.7% | $19,185 | 0.0% | ▲ Add | 2 | SEC ↗ |
| 72 | BNP Paribas Asset Management… | 861 | +44.0% | $10,874 | 0.0% | ▲ Add | 2 | SEC ↗ |
| 73 | Simplex Trading, Llc | 642 | -90.7% | $8,108 | 0.0% | ▼ Trim | 2 | SEC ↗ |
| 74 | Jones Financial Companies Lllp | 583 | New | $7,165 | 0.0% | New | 1 | SEC ↗ |
| 75 | Rockefeller Capital Management L.P. | 349 | +398.6% | $4,408 | 0.0% | ▲ Add | 2 | SEC ↗ ×2 |
| 76 | Royal Bank Of Canada | 391 | -73.6% | $4,000 | 0.0% | ▼ Trim | 2 | SEC ↗ ×2 |
| 77 | Fifth Third Bancorp | 288 | New | $3,638 | 0.0% | New | 1 | SEC ↗ |
| 78 | Optiver Holding B.V. | 262 | +204.7% | $3,309 | 0.0% | ▲ Add | 2 | SEC ↗ |
| 79 | Us Bancorp \De\ | 18 | New | $227 | 0.0% | New | 1 | SEC ↗ |
“Their weight” = the position's share of that manager's reported 13F equity value: the conviction measure. ✦ = curated manager.
New buyers
| Corient Private Wealth LP | $252,702 | 0.0% |
| Susquehanna International… | $228,199 | 0.0% |
| Jones Financial Companies Lllp | $7,165 | 0.0% |
| Fifth Third Bancorp | $3,638 | 0.0% |
| Us Bancorp \De\ | $227 | 0.0% |
Exited
| Jane Street Group, Llc | $4.80M | was 0.0% |
| Adage Capital Partners | $1.48M | was 0.0% |
| Connor, Clark & Lunn… | $997,102 | was 0.0% |
| Group One Trading Llc | $1,972 | 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)
Oct 12
FRANCIS LAURA
Officer, Director · 38.01K sh · $762,013
Oct 05
Maheshwari Anshul
Officer · 1.73K sh · $33,754
Oct 02
Maheshwari Anshul
Officer · 1.56K sh · $28,341
Oct 02
PISETSKY MICHAEL A.
Officer · 1.30K sh · $23,664
Oct 02
Maheshwari Anshul
Officer · 1.76K sh · $31,984
Oct 02
PISETSKY MICHAEL A.
Officer · 1.80K sh · $32,637
Oct 02
PISETSKY MICHAEL A.
Officer · 34 sh · $617
Oct 01
DUNN JEFFREY W
Director · 20.00K sh · $369,400
Sep 01
DUNN JEFFREY W
Director · 18.63K sh · $352,313
Sep 01
DUNN JEFFREY W
Director · 1.37K sh · $25,847
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: Q1 2026 ·
Methodology ·
Get this via the API