§ HEALTH CARE
USD · Health CareSIBN
SI-BONE INC
USDSector · Health CareBeta · 0.67
§ 01 · PRICE
Price action
1D5D1M6MYTD1YMAX
§ 03 · SIGNAL STACK · WHAT THE INPUTS SAY
13F FLOW
105 increased/new, 50 decreased/exited (13F)
AC 13F Analysis
§ 04 · FUNDAMENTALS · THE BOOKS
| P/B | 4.82 | EPS (TTM) | -0.39 |
§ 05 · WHO OWNS IT
Top institutional holders
| Fund | Shares | % port | Δ Q/Q |
|---|---|---|---|
| First Light Asset Management, LLC | 5.4M | 6.1% | +6% |
| BlackRock, Inc. | 3.4M | 0.0% | −2% |
| AMERICAN CENTURY COMPANIES INC | 2.5M | 0.0% | +9% |
| BROWN ADVISORY INC | 2.1M | 0.0% | −14% |
| CADIAN CAPITAL MANAGEMENT, LP | 1.9M | 2.9% | +61% |
| VANGUARD CAPITAL MANAGEMENT LLC | 1.8M | n/a | n/a |
◇ AC INTELLIGENCE
Top institutional owners for SIBN as of the most recent 13F reporting period (Q1 2026 · Period ended Mar 31). Δ Q/Q reflects share-count change vs. the prior filing — positive green means adding, negative red means trimming. Cross-reference with the ownership-mix bars below to see which strategy cohort is driving the flow.
§ 06 · WHO OWNS IT · BY STRATEGY
OTHER94.5% · 0 holders
OTHER3.5% · 121 holders
QUALITY / COMPOUNDER0.6% · 12 holders
PASSIVE / INDEX0.6% · 7 holders
DEALER / BANK0.4% · 20 holders
DEEP VALUE0.2% · 1 holder
SYSTEMATIC / QUANT0.1% · 7 holders
TACTICAL / MACRO0.1% · 3 holders
ACTIVIST0.0% · 1 holder
INCOME / DEFENSIVE0.0% · 8 holders
◇ AC INTELLIGENCE
Ownership mix by behavioral cohort. Top bars indicate which style of capital dominates the float — passive indexing, quality compounders, dealer/bank, systematic quant, etc. Big quality-compounder share means concentrated active conviction; heavy passive share means flows are dictated by index rebalances, not fundamentals.
§ 07 · INSIDER ACTIVITY · LAST 180 DAYS
NO INSIDER FILINGS
◇ AC INTELLIGENCE
No Form 4 filings on record for SIBN in the last 180 days.
§ 08 · COVERAGE · OUR RECENT NOTES
No notes mention SIBN yet.