Institutional shares held 44 Million
57.2K calls
0 puts
Total value of holdings $766M
$996K calls
$0 puts
Market Cap $598M
34,305,000 Shares Out.
Institutional ownership 128.26%
# of Institutions 184


Latest Institutional Activity in SIBN

Top Purchases

Q4 2025
Sg Americas Securities, LLC Shares Held: 19.9K ($346K)
Q4 2025
Assenagon Asset Management S.A. Shares Held: 225K ($3.92M)
Q4 2025
Fortitude Family Office, LLC Shares Held: 168 ($2.93K)
Q4 2025
Gamma Investing LLC Shares Held: 294 ($5.12K)
Q3 2025
Cadian Capital Management, LP Shares Held: 595K ($10.4M)

Top Sells

Q4 2025
Diversified Trust CO Shares Held: 22K ($383K)
Q4 2025
True Wealth Design, LLC Shares Held: 2 ($34.8)
Q3 2025
Harbor Capital Advisors, Inc. Shares Held: 150K ($2.61M)
Q3 2025
Marshall Wace, LLP Shares Held: 192K ($3.35M)
Q3 2025
Bellevue Group Ag Shares Held: 299K ($5.21M)

About SIBN

SI-BONE, Inc., a medical device company, develops implantable devices used to solve musculoskeletal disorders of the sacropelvic anatomy in the United States and internationally. It offers iFuse, a minimally invasive surgical implant system to address sacroiliac joint dysfunction and degeneration, adult deformity, and pelvic ring traumatic fractures. The company also provides iFuse-3D, a titanium implant that combines the triangular cross-section of the iFuse implant with the proprietary 3D-printed porous surface and fenestrated design; and iFuse-TORQ, a set of 3D-printed threaded implants designed to treat fractures of the pelvis and for minimally invasive sacroiliac joint fusion. It markets its products primarily with a direct sales force, as well as through distributors. The company was incorporated in 2008 and is headquartered in Santa Clara, California.


Insider Transactions at SIBN

Insider Transaction List

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Date Insider Transaction Ownership Type Shares Traded Value / Price
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Last 12 Months Summary

Buy / Acquisition
587K Shares
From 13 Insiders
Grant, award, or other acquisition 484K shares
Exercise of conversion of derivative security 103K shares
Sell / Disposition
461K Shares
From 6 Insiders
Open market or private sale 461K shares

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