Security key
825704109
SI-BONE, Inc. - Common Stock, par value $0.0001 per share (SIBN)
CUSIP: 825704109
Q2 2026 13F Holders as of 30 Jun 2026
- Security type / class
- Equity / Common Stock, par value $0.0001 per share
- Total 13F shares
- 47,423,932
- Total 13F value
- $773,911,711
- Share change
- +4,067,246
- Put/Call ratio
- 84%
- SEC-reported price per share
- $16.32
- Number of holders
- 167
- Value change
- +$72,202,302
- Number of buys
- 100
- Number of sells
- 74
- Shares outstanding
- 44,634,320
Holder snapshot
7 signals
Open additional details 1 more signal available
Security identity
Names, identifiers, and filing context for this profile.
1 source field
Report period
Q2 2026
Institutions
167
Top holders
10
SIBN full security history
Ownership snapshot
Full 13F holder table
SI-BONE, Inc. SEC filings
SI-BONE, Inc. company facts
Broader feeds
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
15/15
Latest evidence
30 Jun 2026
13D/G
13F
3/4/5
Lead comparable stake: 18%
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%.
15 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 |
13D/G
13F
Mathew P. Arens · Company
|
18%
|
$107,278,225
8,120,986 shares
|
+$38,975,022 | 30 Apr 2026 |
| BlackRock, Inc. |
13D/G
13F
Company
|
8%
|
$58,078,555
3,558,735 shares
|
+$8,187,679 | 30 Jun 2026 |
| CADIAN CAPITAL MANAGEMENT, LP |
13D/G
13F
Company
|
7.5%
|
$57,276,991
3,347,574 shares
|
$0 | 30 Jun 2026 |
| BROWN ADVISORY INC |
13D/G
13F
Company
|
5.8%
|
$49,561,645
2,513,268 shares
|
-$13,918,593 | 31 Dec 2025 |
| AMERICAN CENTURY INVESTMENT MANAGEMENT INC |
13D/G
|
5.3%
|
$45,366,018
2,300,508 shares
|
-$10,601,452 | 31 Dec 2025 |
| Champlain Investment Partners, LLC |
13D/G
13F
Company
|
4.9%
|
$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 Q2 2026
Investor-level positions for this CUSIP, loaded as an interactive table.
Institutions
167
Shares
47,423,932
Rows available
167
| 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 Q2 2026 vs Q1 2026 Across Filers
Q1 2026 holders
178
Q2 2026 holders
167
Holder diff
-11
| Investor | Q1 2026 Shares | Q2 2026 Shares | Share Diff | Share Chg % | Q1 2026 value | Q2 2026 value | Value change | Value Chg % |
|---|