SI-BONE, Inc. - Common Stock, par value $0.0001 per share (SIBN)

CUSIP: 825704109

Q3 2026 13F Holders as of 30 Sep 2026

Holder snapshot 6 signals
Share change
+62,331
SEC-reported price per share
$18.80
Number of holders
14
Value change
+$1,171,913
Number of buys
3
Number of sells
3
Security identity Names, identifiers, and filing context for this profile. 1 source field
Shares outstanding
44,634,320

Security key

825704109

Report period

Q3 2026

Institutions

14

Top holders

10

Ownership snapshot

Top reported holders of SIBN - SI-BONE, Inc. - Common Stock, par value $0.0001 per share (13F + 13D/G + 3/4/5)

Grouped by holder across the latest SEC ownership disclosures. Start with comparable ownership when available, then verify the linked 13F, 13D/G, or 3/4/5 evidence.

Comparable stake leader
First Light Asset Managem...
Disclosed value leader
First Light Asset Managem...
Comparable rows
6/15
Latest evidence
30 Jun 2026
13F 13D/G Lead comparable stake: 18% 9 rows are not safely comparable across share classes. 13D/G row: First Light Asset Management, LLC Showing 1-6 of 15 holder rows.

Quick read

First Light Asset Management, LLC leads the comparable SEC ownership view at 18%.

6 of 15 rows have a safely comparable ownership percentage. Use this as a filing-backed starting point, then open the detailed table for source links, reporting role, position value, share count, and filing date.

Open SEC evidence Opens First Light Asset Management, LLC's linked filing trail.
Comparable ownership Top 5
First Light Asset Management, LLC 18%
BlackRock, Inc. 8%
CADIAN CAPITAL MANAGEMENT, LP 7.5%
BROWN ADVISORY INC 5.8%
AMERICAN CENTURY INVESTMENT MANAG... 5.3%

Ownership % is shown only when SEC disclosures are safely comparable across share classes.

Detailed SEC evidence table Showing 1-6 of 15 holder rows
Holder Evidence Ownership % Position 12M Net Δ As of
First Light Asset Management, LLC
13F 13D/G
Company · Mathew P. Arens
18%
Reported 13D/G · 30 Apr 2026
$132,648,715
8,127,985 shares
— 30 Jun 2026
BlackRock, Inc.
13F 13D/G
Company
8%
Reported 13D/G · 30 Jun 2026
$59,996,547
3,676,259 shares
— 30 Jun 2026
CADIAN CAPITAL MANAGEMENT, LP
13D/G 13F
Company
7.5%
Reported 13D/G · 30 Jun 2026
$57,276,991
3,347,574 shares
$0 30 Jun 2026
BROWN ADVISORY INC
13D/G 13F
Company
5.8%
Reported 13D/G · 31 Dec 2025
$49,561,645
2,513,268 shares
-$13,918,593 31 Dec 2025
AMERICAN CENTURY INVESTMENT MANAGEMENT INC
13D/G
5.3%
Reported 13D/G · 31 Dec 2025
$45,366,018
2,300,508 shares
-$10,601,452 31 Dec 2025
Champlain Investment Partners, LLC
13D/G 13F
Company
4.9%
Reported 13D/G · 30 Sep 2025
$41,588,376
2,108,944 shares
-$613,884 30 Sep 2025
How to read this table

Rows are grouped by holder and ranked first by SEC-reported ownership % when it is safely comparable, then by disclosed holdings value. — indicates unavailable or non-comparable values; "mixed-class rows" means the latest filing spans non-comparable classes.

13F holder rows

Institutional holders as of Q3 2026

Investor-level positions for this CUSIP, loaded as an interactive table.

Institutions
14
Shares
392,082
Rows available
14
Investor Option Weight % Change % SEC-reported value * Price Shares Share Change Activity Report Period

* SEC-reported price is the security price as of the portfolio date and can indicate the last known price at which the security was still held. The marker flags a reported price that did not pass the local price check.

Compare Q3 2026 vs Q2 2026 Across Filers

Q2 2026 holders
166
Q3 2026 holders
14
Holder diff
-152
Investor Q2 2026 Shares Q3 2026 Shares Share Diff Share Chg % Q2 2026 value Q3 2026 value Value change Value Chg %

Trend: ostatnie 8 kwartałów (+ wybrane okresy porównania).

Quarterly Holders Trend
Quarterly Value Trend
Quarterly Shares Trend
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