SI-BONE, Inc.
SIBN- Exchange
- Nasdaq
- Industry
- Surgical & Medical Instruments & Apparatus
- SEC CIK
- 0001459839
In the last 90 days, SI-BONE, Inc. insiders filed 0 open-market purchases and 11 sales; 167 institutions reported holding it in 13F filings for Q2 2026, worth $773.9M in total; no superinvestor holds it.
13F holders, Q1 2026
Institutional positions in SI-BONE, Inc. as of Mar 31, 2026. Investment managers with $100 million or more in US stocks report their long positions on Form 13F within 45 days after each quarter ends. How 13F works
- Institutional holders
- 180
- 0 vs. Q4 2025
- Shares held
- 43.4M
- +4.56M (+11.8%) vs. Q4 2025
- Total value
- $548.2M
- −$217.4M (−28.4%) vs. Q4 2025
- New holders
- 32
- 64 more added
- Sold out
- 32
- 68 more reduced
3 institutions that held it in Q4 2025 haven't filed for Q1 2026 yet. Not filing isn't selling, so they aren't counted as sold out or in the changes above.
Compare with Q4 2025: new holders, sold out and not filed yet
Holders and value by quarter
Institutions reporting SIBN on Form 13F each quarter since Q1 2021, and the total value they reported. Values are as of each quarter end, so they also move with the share price.
| Quarter | Holders | Value |
|---|---|---|
| Q2 2026 | 167 | $773.9M |
| Q1 2026 | 180 | $548.2M |
| Q4 2025 | 183 | $815.0M |
| Q3 2025 | 175 | $616.1M |
| Q2 2025 | 178 | $769.0M |
| Q1 2025 | 158 | $567.6M |
| Q4 2024 | 144 | $558.2M |
| Q3 2024 | 133 | $569.1M |
| Q2 2024 | 137 | $528.4M |
| Q1 2024 | 146 | $667.2M |
| Q4 2023 | 155 | $823.7M |
| Q3 2023 | 149 | $826.3M |
| Q2 2023 | 168 | $1.02B |
| Q1 2023 | 117 | $659.4M |
| Q4 2022 | 101 | $457.8M |
| Q3 2022 | 110 | $590.5M |
| Q2 2022 | 108 | $454.0M |
| Q1 2022 | 110 | $732.1M |
| Q4 2021 | 115 | $719.1M |
| Q3 2021 | 122 | $668.2M |
| Q2 2021 | 134 | $962.2M |
| Q1 2021 | 133 | $930.3M |
Institutions, Q1 2026
Shares, value and share of portfolio for each institution holding SI-BONE, Inc.; share changes are against Q4 2025.
| Institution | Shares | Value | % of portfolio | Change in shares | Action |
|---|---|---|---|---|---|
| Brevan Howard Capital Management LP | 43,145 | $544.9K | 0.01% | +43,145 | New |
| Barclays PLC | 43,564 | $550.2K | 0.00% | −58,828−57.5% | Reduced |
| Sterling Capital Management LLC | 44,991 | $568.2K | 0.01% | −37,218−45.3% | Reduced |
| Rhumbline Advisers | 46,643 | $589.1K | 0.00% | −908−1.9% | Reduced |
| UBS Group AG | 48,251 | $609.4K | 0.00% | −56,480−53.9% | Reduced |
| Price T Rowe Associates Inc | 49,834 | $630.0K | 0.00% | +12,675+34.1% | Added |
| Raymond James Financial Inc | 50,356 | $636.0K | 0.00% | −18,212−26.6% | Reduced |
| Susquehanna Portfolio Strategies, LLC | 54,042 | $682.5K | 0.01% | −51,323−48.7% | Reduced |
| Invesco Ltd. | 55,528 | $701.3K | 0.00% | −187−0.3% | Reduced |
| Alliancebernstein L.P. | 35,750 | $705.0K | 0.00% | 00.0% | Unchanged |
| AQR Capital Management LLC | 57,701 | $728.8K | 0.00% | +36,442+171.4% | Added |
| Two Sigma Investments, LP | 58,147 | $734.4K | 0.00% | −192,769−76.8% | Reduced |
| Acadian Asset Management LLC | 63,199 | $795.0K | 0.00% | +36,429+136.1% | Added |
| Legato Capital Management LLC | 66,597 | $841.1K | 0.08% | −21,999−24.8% | Reduced |
| Principal Financial Group Inc | 70,027 | $884.4K | 0.00% | +12,896+22.6% | Added |
| Citigroup Inc | 71,611 | $904.4K | 0.00% | −38,658−35.1% | Reduced |
| Universal- Beteiligungs- und Servicegesellschaft mbH | 74,229 | $937.5K | 0.00% | −28,845−28.0% | Reduced |
| Caption Management, LLC | 75,000 | $947.3K | 0.05% | +74,578+17,672.5% | Added |
| Swiss National Bank | 80,900 | $1.02M | 0.00% | 00.0% | Unchanged |
| Nano Cap New Millennium Growth Fund L P | 82,500 | $1.04M | 0.97% | +40,000+94.1% | Added |
| Man Group plc | 82,811 | $1.05M | 0.00% | +33,895+69.3% | Added |
| XTX Topco Ltd | 83,153 | $1.05M | 0.02% | +83,153 | New |
| Squarepoint Ops LLC | 84,181 | $1.06M | 0.00% | −81,747−49.3% | Reduced |
| UBS Asset Management Americas Inc | 87,274 | $1.10M | 0.00% | +1,608+1.9% | Added |
| Trexquant Investment LP | 89,259 | $1.13M | 0.01% | −23,706−21.0% | Reduced |
| Engineers Gate Manager LP | 94,924 | $1.20M | 0.01% | +3,803+4.2% | Added |
| Cinctive Capital Management LP | 95,540 | $1.21M | 0.08% | +51,012+114.6% | Added |
| Bank of New York Mellon Corp | 100,642 | $1.27M | 0.00% | −2,702−2.6% | Reduced |
| Lazard Asset Management LLC | 102,499 | $1.29M | 0.00% | −3,359−3.2% | Reduced |
| JPMorgan Chase & Co | 125,099 | $1.54M | 0.00% | −66,006−34.5% | Reduced |
| Russell Investments Group, Ltd. | 122,804 | $1.55M | 0.00% | −60,888−33.1% | Reduced |
| Tudor Investment Corp Et Al | 130,116 | $1.64M | 0.01% | −129,473−49.9% | Reduced |
| Nomura Asset Management International Inc. | 138,247 | $1.75M | 0.00% | +33,487+32.0% | Added |
| Bullseye Asset Management LLC | 142,732 | $1.80M | 1.04% | +36,849+34.8% | Added |
| Victory Capital Management Inc | 151,960 | $1.92M | 0.00% | −9,380−5.8% | Reduced |
| HighMark Wealth Management LLC | 159,832 | $2.02M | 0.82% | 00.0% | Unchanged |
| Marshall Wace, LLP | 168,128 | $2.12M | 0.00% | −167,749−49.9% | Reduced |
| VELA Investment Management, LLC | 187,160 | $2.36M | 0.61% | +46,748+33.3% | Added |
| Citadel Advisors LLC | 188,226 | $2.38M | 0.00% | −122,122−39.4% | Reduced |
| D. E. Shaw & Co., Inc. | 189,028 | $2.39M | 0.00% | −214,993−53.2% | Reduced |
| Essex Investment Management Co LLC | 212,488 | $2.68M | 0.42% | +3,766+1.8% | Added |
| Assenagon Asset Management S.A. | 224,004 | $2.83M | 0.00% | −997−0.4% | Reduced |
| Algert Global LLC | 230,412 | $2.91M | 0.04% | −381,447−62.3% | Reduced |
| Harbor Capital Advisors, Inc. | 246,795 | $3.12M | 0.25% | +121,505+97.0% | Added |
| Vanguard Fiduciary Trust Co | 274,691 | $3.47M | 0.00% | +274,691 | New |
| SEI Investments Co | 284,769 | $3.60M | 0.00% | +114,582+67.3% | Added |
| Tocqueville Asset Management L.P. | 304,000 | $3.84M | 0.06% | 00.0% | Unchanged |
| Charles Schwab Investment Management Inc | 315,471 | $3.98M | 0.00% | −6,016−1.9% | Reduced |
| Northern Trust Corp | 358,337 | $4.53M | 0.00% | +3,810+1.1% | Added |
| Millennium Management LLC | 369,303 | $4.66M | 0.00% | +261,876+243.8% | Added |
| Royce & Associates LP | 371,082 | $4.69M | 0.05% | +75,015+25.3% | Added |
| Qube Research & Technologies Ltd | 371,526 | $4.69M | 0.01% | +141,764+61.7% | Added |
| Parkman Healthcare Partners LLC | 373,553 | $4.72M | 0.49% | −829−0.2% | Reduced |
| Next Century Growth Investors LLC | 383,958 | $4.85M | 0.35% | +241,960+170.4% | Added |
| Vanguard Portfolio Management LLC | 413,494 | $5.22M | 0.00% | +413,494 | New |
| Bank of America Corp | 419,473 | $5.30M | 0.00% | +33,688+8.7% | Added |
| Peregrine Capital Management LLC | 428,061 | $5.41M | 0.20% | +49,270+13.0% | Added |
| Renaissance Technologies LLC | 472,619 | $5.97M | 0.01% | +238,219+101.6% | Added |
| Pier Capital, LLC | 476,805 | $6.02M | 0.99% | −8,412−1.7% | Reduced |
| Dimensional Fund Advisors LP | 618,939 | $7.82M | 0.00% | +182,465+41.8% | Added |
| Goldman Sachs Group Inc | 622,442 | $7.86M | 0.00% | −53,574−7.9% | Reduced |
| First Eagle Investment Management, LLC | 638,941 | $8.07M | 0.01% | +101,480+18.9% | Added |
| Morgan Stanley | 712,510 | $9.00M | 0.00% | +507,611+247.7% | Added |
| Wellington Management Group LLP | 772,612 | $9.76M | 0.00% | −49,873−6.1% | Reduced |
| Point72 Asset Management, L.P. | 840,346 | $10.6M | 0.02% | +94,376+12.7% | Added |
| Champlain Investment Partners, LLC | 877,605 | $11.1M | 0.14% | −238,577−21.4% | Reduced |
| Geode Capital Management, LLC | 951,728 | $12.0M | 0.00% | +30,147+3.3% | Added |
| Gilder Gagnon Howe & Co LLC | 1,048,516 | $13.2M | 0.16% | +634,558+153.3% | Added |
| Paradigm Capital Management Inc | 1,126,500 | $14.2M | 0.54% | +598,300+113.3% | Added |
| State Street Corp | 1,129,815 | $14.3M | 0.00% | +124,558+12.4% | Added |
| Silvercrest Asset Management Group LLC | 1,244,584 | $15.7M | 0.11% | −138,281−10.0% | Reduced |
| Nuveen, LLC | 1,285,511 | $16.2M | 0.00% | −136,435−9.6% | Reduced |
| Impax Asset Management Group plc | 1,425,010 | $18.0M | 0.13% | +225,000+18.7% | Added |
| Granahan Investment Management Inc | 1,739,097 | $22.0M | 1.06% | +858,942+97.6% | Added |
| Vanguard Capital Management LLC | 1,764,313 | $22.3M | 0.00% | +1,764,313 | New |
| Cadian Capital Management, LP | 1,887,472 | $23.8M | 2.90% | +716,372+61.2% | Added |
| Brown Advisory Inc | 2,122,332 | $26.8M | 0.04% | −339,470−13.8% | Reduced |
| American Century Companies Inc | 2,509,065 | $31.7M | 0.02% | +208,557+9.1% | Added |
| BlackRock, Inc. | 3,428,541 | $43.3M | 0.00% | −58,932−1.7% | Reduced |
| First Light Asset Management, LLC | 5,353,190 | $67.6M | 6.06% | +320,286+6.4% | Added |
| Jane Street Group, LLC | 0 | $0 | 0.00% | −243,554−100.0% | Sold out |
| Walleye Capital LLC | 0 | $0 | 0.00% | −194,120−100.0% | Sold out |
| ExodusPoint Capital Management, LP | 0 | $0 | 0.00% | −170,431−100.0% | Sold out |
| Two Sigma Advisers, LP | 0 | $0 | 0.00% | −113,600−100.0% | Sold out |
| Bellevue Group AG | 0 | $0 | 0.00% | −90,331−100.0% | Sold out |
| Hussman Strategic Advisors, Inc. | 0 | $0 | 0.00% | −84,000−100.0% | Sold out |
| Adage Capital Partners GP, L.L.C. | 0 | $0 | 0.00% | −75,000−100.0% | Sold out |
| PDT Partners, LLC | 0 | $0 | 0.00% | −69,116−100.0% | Sold out |
| CWM Advisors, LLC | 0 | $0 | 0.00% | −63,168−100.0% | Sold out |
| Lisanti Capital Growth, LLC | 0 | $0 | 0.00% | −56,964−100.0% | Sold out |
| Schonfeld Strategic Advisors LLC | 0 | $0 | 0.00% | −52,506−100.0% | Sold out |
| Connor, Clark & Lunn Investment Management Ltd. | 0 | $0 | 0.00% | −50,563−100.0% | Sold out |
| Voloridge Investment Management, LLC | 0 | $0 | 0.00% | −42,552−100.0% | Sold out |
| Gsa Capital Partners LLP | 0 | $0 | 0.00% | −34,815−100.0% | Sold out |
| Quantbot Technologies LP | 0 | $0 | 0.00% | −21,747−100.0% | Sold out |
| Fox Run Management, L.L.C. | 0 | $0 | 0.00% | −20,653−100.0% | Sold out |
| PharVision Advisers, LLC | 0 | $0 | 0.00% | −18,318−100.0% | Sold out |
| Verition Fund Management LLC | 0 | $0 | 0.00% | −14,600−100.0% | Sold out |
| Bailard, Inc. | 0 | $0 | 0.00% | −11,887−100.0% | Sold out |
| Calamos Advisors LLC | 0 | $0 | 0.00% | −11,484−100.0% | Sold out |