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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, Q2 2026

Institutional positions in SI-BONE, Inc. as of Jun 30, 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
167
−9 vs. Q1 2026
Shares held
47.4M
+4.08M (+9.4%) vs. Q1 2026
Total value
$773.9M
+$226.2M (+41.3%) vs. Q1 2026
New holders
21
82 more added
Sold out
30
46 more reduced

4 institutions that held it in Q1 2026 haven't filed for Q2 2026 yet. Not filing isn't selling, so they aren't counted as sold out or in the changes above.

Compare with Q1 2026: 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.

Institutional holdersQ2 2026: 167 institutions
Q1 2021: 133 institutionsQ2 2021: 134 institutionsQ3 2021: 122 institutionsQ4 2021: 115 institutionsQ1 2022: 110 institutionsQ2 2022: 108 institutionsQ3 2022: 110 institutionsQ4 2022: 101 institutionsQ1 2023: 117 institutionsQ2 2023: 168 institutionsQ3 2023: 149 institutionsQ4 2023: 155 institutionsQ1 2024: 146 institutionsQ2 2024: 137 institutionsQ3 2024: 133 institutionsQ4 2024: 144 institutionsQ1 2025: 158 institutionsQ2 2025: 178 institutionsQ3 2025: 175 institutionsQ4 2025: 183 institutionsQ1 2026: 180 institutionsQ2 2026: 167 institutions
Value heldQ2 2026: $773.9M
Q1 2021: $930.3MQ2 2021: $962.2MQ3 2021: $668.2MQ4 2021: $719.1MQ1 2022: $732.1MQ2 2022: $454.0MQ3 2022: $590.5MQ4 2022: $457.8MQ1 2023: $659.4MQ2 2023: $1.02BQ3 2023: $826.3MQ4 2023: $823.7MQ1 2024: $667.2MQ2 2024: $528.4MQ3 2024: $569.1MQ4 2024: $558.2MQ1 2025: $567.6MQ2 2025: $769.0MQ3 2025: $616.1MQ4 2025: $815.0MQ1 2026: $548.2MQ2 2026: $773.9M
Institutions holding SIBN and their total value by quarter
QuarterHoldersValue
Q2 2026167$773.9M
Q1 2026180$548.2M
Q4 2025183$815.0M
Q3 2025175$616.1M
Q2 2025178$769.0M
Q1 2025158$567.6M
Q4 2024144$558.2M
Q3 2024133$569.1M
Q2 2024137$528.4M
Q1 2024146$667.2M
Q4 2023155$823.7M
Q3 2023149$826.3M
Q2 2023168$1.02B
Q1 2023117$659.4M
Q4 2022101$457.8M
Q3 2022110$590.5M
Q2 2022108$454.0M
Q1 2022110$732.1M
Q4 2021115$719.1M
Q3 2021122$668.2M
Q2 2021134$962.2M
Q1 2021133$930.3M

Institutions, Q2 2026

Shares, value and share of portfolio for each institution holding SI-BONE, Inc.; share changes are against Q1 2026.

Institutions holding SIBN in Q2 2026
InstitutionSharesValue% of portfolioChange in sharesAction
Universal- Beteiligungs- und Servicegesellschaft mbH53,074$866.2K0.00%−21,155−28.5%Reduced
Quantinno Capital Management LP53,645$875.5K0.00%+24,170+82.0%Added
Rhumbline Advisers53,874$879.2K0.00%+7,231+15.5%Added
UBS Asset Management Americas Inc59,736$974.9K0.00%−27,538−31.6%Reduced
Invesco Ltd.62,236$1.02M0.00%+6,708+12.1%Added
Palumbo Wealth Management LLC63,166$1.03M0.22%+27,634+77.8%Added
Jane Street Group, LLC64,793$1.06M0.00%+64,793New
Price T Rowe Associates Inc66,255$1.08M0.00%+16,421+33.0%Added
Trexquant Investment LP70,764$1.15M0.01%−18,495−20.7%Reduced
Caption Management, LLC75,000$1.22M0.04%00.0%Unchanged
Principal Financial Group Inc76,544$1.25M0.00%+6,517+9.3%Added
Swiss National Bank84,200$1.37M0.00%+3,300+4.1%Added
Citigroup Inc90,304$1.47M0.00%+18,693+26.1%Added
Legato Capital Management LLC91,361$1.49M0.12%+24,764+37.2%Added
JPMorgan Chase & Co95,731$1.62M0.00%−29,368−23.5%Reduced
Nano Cap New Millennium Growth Fund L P100,000$1.63M1.26%+17,500+21.2%Added
Balyasny Asset Management LLC100,364$1.64M0.00%+100,364New
Squarepoint Ops LLC118,128$1.93M0.00%+33,947+40.3%Added
Bank of New York Mellon Corp120,569$1.97M0.00%+19,927+19.8%Added
Russell Investments Group, Ltd.121,716$1.99M0.00%−1,088−0.9%Reduced
Cinctive Capital Management LP123,517$2.02M0.08%+27,977+29.3%Added
Morgan Stanley130,913$2.14M0.00%−581,597−81.6%Reduced
Tudor Investment Corp Et Al131,414$2.14M0.01%+1,298+1.0%Added
UBS Group AG131,779$2.15M0.00%+83,528+173.1%Added
Nomura Asset Management International Inc.133,141$2.17M0.00%−5,106−3.7%Reduced
Bullseye Asset Management LLC144,512$2.36M1.20%+1,780+1.2%Added
Victory Capital Management Inc145,170$2.37M0.00%−6,790−4.5%Reduced
D. E. Shaw & Co., Inc.185,868$3.03M0.00%−3,160−1.7%Reduced
VELA Investment Management, LLC201,094$3.28M0.81%+13,934+7.4%Added
AQR Capital Management LLC253,848$4.14M0.00%+196,147+339.9%Added
Pier Capital, LLC263,781$4.30M0.57%−213,024−44.7%Reduced
Harbor Capital Advisors, Inc.269,505$4.40M0.30%+22,710+9.2%Added
Essex Investment Management Co LLC271,404$4.43M0.58%+58,916+27.7%Added
SEI Investments Co274,747$4.48M0.00%−10,022−3.5%Reduced
Vanguard Fiduciary Trust Co288,877$4.71M0.00%+14,186+5.2%Added
Tocqueville Asset Management L.P.304,000$4.96M0.07%00.0%Unchanged
Parkman Healthcare Partners LLC328,686$5.36M0.55%−44,867−12.0%Reduced
Charles Schwab Investment Management Inc342,784$5.59M0.00%+27,313+8.7%Added
Millennium Management LLC364,286$5.95M0.00%−5,017−1.4%Reduced
Royce & Associates LP395,088$6.45M0.05%+24,006+6.5%Added
Peregrine Capital Management LLC407,363$6.65M0.22%−20,698−4.8%Reduced
Bank of America Corp421,528$6.88M0.00%+2,055+0.5%Added
HighMark Wealth Management LLC425,049$6.94M2.32%+265,217+165.9%Added
Northern Trust Corp439,161$7.17M0.00%+80,824+22.6%Added
Goldman Sachs Group Inc441,912$7.21M0.00%−180,530−29.0%Reduced
Vanguard Portfolio Management LLC548,287$8.95M0.00%+134,793+32.6%Added
Next Century Growth Investors LLC585,289$9.55M0.51%+201,331+52.4%Added
Marshall Wace, LLP690,288$11.3M0.01%+522,160+310.6%Added
Dimensional Fund Advisors LP708,319$11.6M0.00%+89,380+14.4%Added
Wellington Management Group LLP742,857$12.1M0.00%−29,755−3.9%Reduced
First Eagle Investment Management, LLC768,941$12.5M0.02%+130,000+20.3%Added
Point72 Asset Management, L.P.790,323$12.9M0.02%−50,023−6.0%Reduced
Champlain Investment Partners, LLC896,462$14.6M0.38%+18,857+2.1%Added
Nuveen, LLC1,026,036$16.7M0.00%−259,475−20.2%Reduced
Geode Capital Management, LLC1,076,839$17.6M0.00%+125,111+13.1%Added
Silvercrest Asset Management Group LLC1,158,576$18.9M0.12%−86,008−6.9%Reduced
State Street Corp1,214,286$19.8M0.00%+84,471+7.5%Added
Paradigm Capital Management Inc1,233,200$20.1M0.55%+106,700+9.5%Added
Gilder Gagnon Howe & Co LLC1,253,042$20.4M0.21%+204,526+19.5%Added
Impax Asset Management Group plc1,425,010$23.3M0.15%00.0%Unchanged
Vanguard Capital Management LLC1,838,499$30.0M0.00%+74,186+4.2%Added
Granahan Investment Management Inc1,931,182$31.5M1.12%+192,085+11.0%Added
Brown Advisory Inc2,077,134$33.9M0.05%−45,198−2.1%Reduced
American Century Companies Inc2,510,963$41.0M0.02%+1,898+0.1%Added
Cadian Capital Management, LP3,347,574$54.6M4.13%+1,460,102+77.4%Added
BlackRock, Inc.3,676,259$60.0M0.00%+247,718+7.2%Added
First Light Asset Management, LLC8,127,985$132.6M8.06%+2,774,795+51.8%Added
Qube Research & Technologies Ltd0$00.00%−371,526−100.0%Sold out
Algert Global LLC0$00.00%−230,412−100.0%Sold out
Assenagon Asset Management S.A.0$00.00%−224,004−100.0%Sold out
Citadel Advisors LLC0$00.00%−188,226−100.0%Sold out
Lazard Asset Management LLC0$00.00%−102,499−100.0%Sold out
Man Group plc0$00.00%−82,811−100.0%Sold out
Two Sigma Investments, LP0$00.00%−58,147−100.0%Sold out
Susquehanna Portfolio Strategies, LLC0$00.00%−54,042−100.0%Sold out
Brevan Howard Capital Management LP0$00.00%−43,145−100.0%Sold out
DRW Securities, LLC0$00.00%−25,844−100.0%Sold out
Manchester Capital Management LLC0$00.00%−25,107−100.0%Sold out
HSBC Holdings PLC0$00.00%−18,814−100.0%Sold out
Y-Intercept (Hong Kong) Ltd0$00.00%−18,341−100.0%Sold out
Susquehanna International Group, LLP0$00.00%−18,068−100.0%Sold out
R Squared Ltd0$00.00%−16,566−100.0%Sold out
Stonepine Capital Management, LLC0$00.00%−14,964−100.0%Sold out
RWC Asset Management LLP0$00.00%−14,710−100.0%Sold out
Axq Capital, LP0$00.00%−11,260−100.0%Sold out
State of Wyoming0$00.00%−10,832−100.0%Sold out
Jump Financial, LLC0$00.00%−10,700−100.0%Sold out
Vident Advisory, LLC0$00.00%−10,262−100.0%Sold out
Graham Capital Management, L.P.0$00.00%−10,155−100.0%Sold out
Canada Pension Plan Investment Board0$00.00%−10,100−100.0%Sold out
SG Americas Securities, LLC0$00.00%−8,194−100.0%Sold out
Rachor Investment Advisory Services, LLC0$00.00%−135−100.0%Sold out
Richardson Capital Management LLC0$00.00%−122−100.0%Sold out
MAI Capital Management0$00.00%−72−100.0%Sold out
Parkside Financial Bank & Trust0$00.00%−35−100.0%Sold out
US Bancorp0$00.00%−18−100.0%Sold out
Freestone Grove Partners LP0$00.00%−3−100.0%Sold out
Charter Oak Capital Management, LLC––––Not filed
Janus Henderson Group PLC––––Not filed
CWM, LLC––––Not filed