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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, Q3 2021

Institutional positions in SI-BONE, Inc. as of Sep 30, 2021. 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
122
−12 vs. Q2 2021
Shares held
31.2M
+597.5K (+2.0%) vs. Q2 2021
Total value
$668.2M
−$293.9M (−30.5%) vs. Q2 2021
New holders
14
63 more added
Sold out
26
32 more reduced

Compare with Q2 2021: 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 holdersQ3 2021: 122 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 heldQ3 2021: $668.2M
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, Q3 2021

Shares, value and share of portfolio for each institution holding SI-BONE, Inc.; share changes are against Q2 2021.

Institutions holding SIBN in Q3 2021
InstitutionSharesValue% of portfolioChange in sharesAction
Tamarack Advisers, LP400,000$8.57M2.74%+145,000+56.9%Added
Summit Partners Public Asset Management, LLC424,774$9.10M0.41%−201,070−32.1%Reduced
Impax Asset Management Group plc470,343$10.1M0.04%+50,000+11.9%Added
Endurant Capital Management LP471,214$10.1M3.07%+431,059+1,073.5%Added
Driehaus Capital Management LLC472,266$10.1M0.12%−515,681−52.2%Reduced
Geode Capital Management, LLC502,612$10.8M0.00%+7,133+1.4%Added
Armistice Capital, LLC600,000$12.9M0.32%+144,000+31.6%Added
Kennedy Capital Management, Inc.620,147$13.3M0.30%+443,895+251.9%Added
Macquarie Group Ltd682,816$14.6M0.01%−2,535−0.4%Reduced
First Light Asset Management, LLC705,682$15.1M1.00%+1,452+0.2%Added
Morgan Stanley774,519$16.6M0.00%+159,357+25.9%Added
Avidity Partners Management LP831,200$17.8M0.45%+256,200+44.6%Added
Wells Fargo & Company944,416$20.2M0.00%+108,013+12.9%Added
American Century Companies Inc1,007,009$21.6M0.01%+760,836+309.1%Added
State Street Corp1,014,307$21.7M0.00%+154,694+18.0%Added
Holocene Advisors, LP1,091,121$23.4M0.13%+364,243+50.1%Added
Vanguard Group Inc1,506,186$32.3M0.00%−971−0.1%Reduced
Millennium Management LLC1,780,304$38.1M0.05%+1,357,502+321.1%Added
Gilder Gagnon Howe & Co LLC1,993,767$42.7M0.22%−203,279−9.3%Reduced
OrbiMed Advisors LLC2,248,000$48.2M0.53%+942,700+72.2%Added
Brown Advisory Inc2,265,310$48.5M0.07%+971,185+75.0%Added
BlackRock Inc.2,395,748$51.3M0.00%+16,659+0.7%Added
Loomis Sayles & Co L P0$00.00%−1,164,188−100.0%Sold out
Lisanti Capital Growth, LLC0$00.00%−324,124−100.0%Sold out
Intrinsic Edge Capital Management LLC0$00.00%−232,021−100.0%Sold out
G2 Investment Partners Management LLC0$00.00%−182,934−100.0%Sold out
Hillsdale Investment Management Inc.0$00.00%−95,714−100.0%Sold out
Renaissance Technologies LLC0$00.00%−87,801−100.0%Sold out
Paradigm Capital Management Inc0$00.00%−60,000−100.0%Sold out
D. E. Shaw & Co., Inc.0$00.00%−46,732−100.0%Sold out
Calamos Advisors LLC0$00.00%−41,704−100.0%Sold out
Engineers Gate Manager LP0$00.00%−21,895−100.0%Sold out
Susquehanna International Group, LLP0$00.00%−16,497−100.0%Sold out
Raymond James & Associates0$00.00%−15,647−100.0%Sold out
Twinbeech Capital LP0$00.00%−15,380−100.0%Sold out
ExodusPoint Capital Management, LP0$00.00%−15,066−100.0%Sold out
Ellsworth Advisors, LLC0$00.00%−14,612−100.0%Sold out
Qube Research & Technologies Ltd0$00.00%−9,721−100.0%Sold out
Campbell & CO Investment Adviser LLC0$00.00%−9,000−100.0%Sold out
LVW Advisors, LLC0$00.00%−8,544−100.0%Sold out
ProShare Advisors LLC0$00.00%−8,335−100.0%Sold out
Bay Colony Advisory Group, Inc d/b/a Bay Colony Advisors0$00.00%−8,000−100.0%Sold out
AQR Capital Management LLC0$00.00%−7,354−100.0%Sold out
Arizona State Retirement System0$00.00%−7,037−100.0%Sold out
Source Financial Advisors LLC0$00.00%−6,500−100.0%Sold out
Dorsey Wright & Associates0$00.00%−1,128−100.0%Sold out
AdvisorNet Financial, Inc0$00.00%−779−100.0%Sold out
FORA Capital, LLC0$00.00%−700−100.0%Sold out