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 |
|---|---|---|---|---|---|
| First Light Asset Management, LLC | 5,353,190 | $67.6M | 6.06% | +320,286+6.4% | Added |
| BlackRock, Inc. | 3,428,541 | $43.3M | 0.00% | −58,932−1.7% | Reduced |
| American Century Companies Inc | 2,509,065 | $31.7M | 0.02% | +208,557+9.1% | Added |
| Brown Advisory Inc | 2,122,332 | $26.8M | 0.04% | −339,470−13.8% | Reduced |
| Cadian Capital Management, LP | 1,887,472 | $23.8M | 2.90% | +716,372+61.2% | Added |
| Vanguard Capital Management LLC | 1,764,313 | $22.3M | 0.00% | +1,764,313 | New |
| Granahan Investment Management Inc | 1,739,097 | $22.0M | 1.06% | +858,942+97.6% | Added |
| Impax Asset Management Group plc | 1,425,010 | $18.0M | 0.13% | +225,000+18.7% | Added |
| Nuveen, LLC | 1,285,511 | $16.2M | 0.00% | −136,435−9.6% | Reduced |
| Silvercrest Asset Management Group LLC | 1,244,584 | $15.7M | 0.11% | −138,281−10.0% | Reduced |
| State Street Corp | 1,129,815 | $14.3M | 0.00% | +124,558+12.4% | Added |
| Paradigm Capital Management Inc | 1,126,500 | $14.2M | 0.54% | +598,300+113.3% | Added |
| Gilder Gagnon Howe & Co LLC | 1,048,516 | $13.2M | 0.16% | +634,558+153.3% | Added |
| Geode Capital Management, LLC | 951,728 | $12.0M | 0.00% | +30,147+3.3% | Added |
| Champlain Investment Partners, LLC | 877,605 | $11.1M | 0.14% | −238,577−21.4% | Reduced |
| Point72 Asset Management, L.P. | 840,346 | $10.6M | 0.02% | +94,376+12.7% | Added |
| Wellington Management Group LLP | 772,612 | $9.76M | 0.00% | −49,873−6.1% | Reduced |
| Morgan Stanley | 712,510 | $9.00M | 0.00% | +507,611+247.7% | Added |
| First Eagle Investment Management, LLC | 638,941 | $8.07M | 0.01% | +101,480+18.9% | Added |
| Goldman Sachs Group Inc | 622,442 | $7.86M | 0.00% | −53,574−7.9% | Reduced |
| Dimensional Fund Advisors LP | 618,939 | $7.82M | 0.00% | +182,465+41.8% | Added |
| Pier Capital, LLC | 476,805 | $6.02M | 0.99% | −8,412−1.7% | Reduced |
| Renaissance Technologies LLC | 472,619 | $5.97M | 0.01% | +238,219+101.6% | Added |
| Peregrine Capital Management LLC | 428,061 | $5.41M | 0.20% | +49,270+13.0% | Added |
| Bank of America Corp | 419,473 | $5.30M | 0.00% | +33,688+8.7% | Added |
| Vanguard Portfolio Management LLC | 413,494 | $5.22M | 0.00% | +413,494 | New |
| Next Century Growth Investors LLC | 383,958 | $4.85M | 0.35% | +241,960+170.4% | Added |
| Parkman Healthcare Partners LLC | 373,553 | $4.72M | 0.49% | −829−0.2% | Reduced |
| Qube Research & Technologies Ltd | 371,526 | $4.69M | 0.01% | +141,764+61.7% | Added |
| Royce & Associates LP | 371,082 | $4.69M | 0.05% | +75,015+25.3% | Added |
| Millennium Management LLC | 369,303 | $4.66M | 0.00% | +261,876+243.8% | Added |
| Northern Trust Corp | 358,337 | $4.53M | 0.00% | +3,810+1.1% | Added |
| Charles Schwab Investment Management Inc | 315,471 | $3.98M | 0.00% | −6,016−1.9% | Reduced |
| Tocqueville Asset Management L.P. | 304,000 | $3.84M | 0.06% | 00.0% | Unchanged |
| SEI Investments Co | 284,769 | $3.60M | 0.00% | +114,582+67.3% | Added |
| Vanguard Fiduciary Trust Co | 274,691 | $3.47M | 0.00% | +274,691 | New |
| Harbor Capital Advisors, Inc. | 246,795 | $3.12M | 0.25% | +121,505+97.0% | Added |
| Algert Global LLC | 230,412 | $2.91M | 0.04% | −381,447−62.3% | Reduced |
| Assenagon Asset Management S.A. | 224,004 | $2.83M | 0.00% | −997−0.4% | Reduced |
| Essex Investment Management Co LLC | 212,488 | $2.68M | 0.42% | +3,766+1.8% | Added |
| D. E. Shaw & Co., Inc. | 189,028 | $2.39M | 0.00% | −214,993−53.2% | Reduced |
| Citadel Advisors LLC | 188,226 | $2.38M | 0.00% | −122,122−39.4% | Reduced |
| VELA Investment Management, LLC | 187,160 | $2.36M | 0.61% | +46,748+33.3% | Added |
| Marshall Wace, LLP | 168,128 | $2.12M | 0.00% | −167,749−49.9% | Reduced |
| HighMark Wealth Management LLC | 159,832 | $2.02M | 0.82% | 00.0% | Unchanged |
| Victory Capital Management Inc | 151,960 | $1.92M | 0.00% | −9,380−5.8% | Reduced |
| Bullseye Asset Management LLC | 142,732 | $1.80M | 1.04% | +36,849+34.8% | Added |
| Nomura Asset Management International Inc. | 138,247 | $1.75M | 0.00% | +33,487+32.0% | Added |
| Tudor Investment Corp Et Al | 130,116 | $1.64M | 0.01% | −129,473−49.9% | Reduced |
| Russell Investments Group, Ltd. | 122,804 | $1.55M | 0.00% | −60,888−33.1% | Reduced |
| JPMorgan Chase & Co | 125,099 | $1.54M | 0.00% | −66,006−34.5% | Reduced |
| Lazard Asset Management LLC | 102,499 | $1.29M | 0.00% | −3,359−3.2% | Reduced |
| Bank of New York Mellon Corp | 100,642 | $1.27M | 0.00% | −2,702−2.6% | Reduced |
| Cinctive Capital Management LP | 95,540 | $1.21M | 0.08% | +51,012+114.6% | Added |
| Engineers Gate Manager LP | 94,924 | $1.20M | 0.01% | +3,803+4.2% | Added |
| Trexquant Investment LP | 89,259 | $1.13M | 0.01% | −23,706−21.0% | Reduced |
| UBS Asset Management Americas Inc | 87,274 | $1.10M | 0.00% | +1,608+1.9% | Added |
| Squarepoint Ops LLC | 84,181 | $1.06M | 0.00% | −81,747−49.3% | Reduced |
| XTX Topco Ltd | 83,153 | $1.05M | 0.02% | +83,153 | New |
| Man Group plc | 82,811 | $1.05M | 0.00% | +33,895+69.3% | Added |
| Nano Cap New Millennium Growth Fund L P | 82,500 | $1.04M | 0.97% | +40,000+94.1% | Added |
| Swiss National Bank | 80,900 | $1.02M | 0.00% | 00.0% | Unchanged |
| Caption Management, LLC | 75,000 | $947.3K | 0.05% | +74,578+17,672.5% | Added |
| Universal- Beteiligungs- und Servicegesellschaft mbH | 74,229 | $937.5K | 0.00% | −28,845−28.0% | Reduced |
| Citigroup Inc | 71,611 | $904.4K | 0.00% | −38,658−35.1% | Reduced |
| Principal Financial Group Inc | 70,027 | $884.4K | 0.00% | +12,896+22.6% | Added |
| Legato Capital Management LLC | 66,597 | $841.1K | 0.08% | −21,999−24.8% | Reduced |
| Acadian Asset Management LLC | 63,199 | $795.0K | 0.00% | +36,429+136.1% | Added |
| Two Sigma Investments, LP | 58,147 | $734.4K | 0.00% | −192,769−76.8% | Reduced |
| AQR Capital Management LLC | 57,701 | $728.8K | 0.00% | +36,442+171.4% | Added |
| Alliancebernstein L.P. | 35,750 | $705.0K | 0.00% | 00.0% | Unchanged |
| Invesco Ltd. | 55,528 | $701.3K | 0.00% | −187−0.3% | Reduced |
| Susquehanna Portfolio Strategies, LLC | 54,042 | $682.5K | 0.01% | −51,323−48.7% | Reduced |
| Raymond James Financial Inc | 50,356 | $636.0K | 0.00% | −18,212−26.6% | Reduced |
| Price T Rowe Associates Inc | 49,834 | $630.0K | 0.00% | +12,675+34.1% | Added |
| UBS Group AG | 48,251 | $609.4K | 0.00% | −56,480−53.9% | Reduced |
| Rhumbline Advisers | 46,643 | $589.1K | 0.00% | −908−1.9% | Reduced |
| Sterling Capital Management LLC | 44,991 | $568.2K | 0.01% | −37,218−45.3% | Reduced |
| Barclays PLC | 43,564 | $550.2K | 0.00% | −58,828−57.5% | Reduced |
| Brevan Howard Capital Management LP | 43,145 | $544.9K | 0.01% | +43,145 | New |
| Penn Capital Management Co Inc | 40,568 | $512.4K | 0.04% | +11,872+41.4% | Added |
| California State Teachers Retirement System | 39,261 | $495.9K | 0.00% | −286−0.7% | Reduced |
| Hilton Head Capital Partners, LLC | 38,019 | $480.2K | 0.27% | 00.0% | Unchanged |
| D.A. Davidson & Co. | 36,882 | $465.8K | 0.00% | +1,991+5.7% | Added |
| Deutsche Bank AG | 36,812 | $464.9K | 0.00% | +3,027+9.0% | Added |
| Palumbo Wealth Management LLC | 35,532 | $448.8K | 0.11% | −6,423−15.3% | Reduced |
| Perpetual Ltd | 31,809 | $401.7K | 0.01% | +2,064+6.9% | Added |
| Legal & General Group Plc | 31,525 | $398.2K | 0.00% | −9,176−22.5% | Reduced |
| OP Asset Management Ltd | 30,982 | $391.3K | 0.00% | +30,982 | New |
| Quantinno Capital Management LP | 29,475 | $372.3K | 0.00% | +10,848+58.2% | Added |
| DRW Securities, LLC | 25,844 | $326.4K | 0.02% | +25,844 | New |
| Vanguard Asset Management, Ltd | 25,650 | $324.0K | 0.00% | +25,650 | New |
| Voya Investment Management LLC | 25,143 | $317.6K | 0.00% | −191−0.8% | Reduced |
| Manchester Capital Management LLC | 25,107 | $317.1K | 0.05% | 00.0% | Unchanged |
| Diversified Trust Co | 24,335 | $307.4K | 0.01% | +2,375+10.8% | Added |
| Charter Oak Capital Management, LLC | 24,003 | $303.2K | 0.02% | 00.0% | Unchanged |
| MetLife Investment Management | 23,822 | $300.9K | 0.00% | −286−1.2% | Reduced |
| Franklin Resources Inc | 22,499 | $284.2K | 0.00% | −28−0.1% | Reduced |
| Zurcher Kantonalbank (Zurich Cantonalbank) | 20,042 | $253.1K | 0.00% | +3,540+21.5% | Added |
| CI Private Wealth, LLC | 20,008 | $252.7K | 0.00% | +20,008 | New |