Latest Period
Q1 2026
Security Snapshot
SI-BONE, Inc. - Common Stock, $0.001 par value (SIBN) Institutional Ownership
CUSIP: 825704109
13F Institutional Holders and Ownership History from Q4 2018 to Q1 2026
Institutions Reporting
177
Shares (Excl. Options)
43,351,500
Price
$12.63
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- Security type / class
- Equity / Common Stock, $0.001 par value
- Symbol
- SIBN on Nasdaq
- All holders as of 31 Mar 2026
- Q1 2026
- Total 13F shares
- 43,351,500
- Total 13F value
- $547,481,606
- Portfolio coverage rank
- 0%
- Share change
- +2,209,048
- Value change
- +$17,421,186
- Number of holders
- 177
- Shares outstanding
- 44,231,950
- SEC-reported price per share
- $13.21
- Insider filing price
- $13.21
Latest holder snapshot
5 signals
Issuer context
Names, identifiers, and filing context for this profile.
3 identity fields
13F Shares, Excluding Options vs Price
13F Value, Excluding Options
Total Investors
Key facts
- SIBN - SI-BONE, Inc. - Common Stock, $0.001 par value is tracked under CUSIP 825704109.
- 177 institutions reported positions in Q1 2026.
- 5 significant owners is listed from Schedule 13D/13G reporting.
Change
- Holder count moved from 183 to 177 between Q4 2025 and Q1 2026.
- SEC-reported value moved from $815,025,065 to $547,481,606.
Research use
- You can quickly see who holds this security, then open quarter and manager detail pages for full evidence.
- 13F and Schedule 13D/13G sections are kept together so you can cross-check institutional and beneficial ownership context.
Evidence
Source: SEC Form 13F
Open SEC evidence
Latest holder context comes from 177 institutions filings for Q1 2026.
Security key
825704109
Latest holder period
Q1 2026
13F holders
177
13D/G owners
5
CIK / CUSIP context first
Open Q1 2026 holders
SIBN full holder history
SI-BONE, Inc. SEC filings
SI-BONE, Inc. company facts
SI-BONE, Inc. insider transactions
Broader feeds
Recent Quarterly Holder Reports
Open recent reporting periods for CUSIP 825704109:
13D/G owners
Significant owners
Large-stake holder rows connected to Schedule 13D/G evidence.
Rows
5
Security
SIBN
| Filer | Ownership | Change % | Holdings Value | Net Change | Nb Shares | Change % | Reporting Name | Report Period |
|---|---|---|---|---|---|---|---|---|
| First Light Asset Management, LLC | 18% | +54% | $107,278,225 | +$38,975,022 | 8,120,986 | +57% | Mathew P. Arens | 30 Apr 2026 |
| BlackRock, Inc. | 6.9% | -15% | $38,610,403 | -$4,633,745 | 3,057,039 | -11% | BlackRock, Inc. | 31 Mar 2026 |
| BROWN ADVISORY INC | 5.8% | -23% | $49,561,645 | -$13,918,593 | 2,513,268 | -22% | BROWN ADVISORY INC | 31 Dec 2025 |
| AMERICAN CENTURY INVESTMENT MANAGEMENT INC | 5.3% | -19% | $45,366,018 | -$10,601,452 | 2,300,508 | -19% | American Century Investment Management, Inc. | 31 Dec 2025 |
| Champlain Investment Partners, LLC | 4.9% | -2% | $41,588,376 | -$613,884 | 2,108,944 | -1.5% | Champlain Investment Partners, LLC | 30 Sep 2025 |
As of 31 Mar 2026, 177 institutional investors reported holding 43,351,500 shares of SI-BONE, Inc. - Common Stock, $0.001 par value (SIBN). This represents 98% of the company’s total 44,231,950 outstanding shares.
13F concentration
Top 25 institutional shareholders
Largest 13F positions for this security by reported shares and value.
Top holder share
77%
| Institution | Ownership % | Shares Held | Share Change % | Portfolio % | Holdings Value |
|---|---|---|---|---|---|
| First Light Asset Management, LLC | 12% | 5,353,190 | +6.4% | 6.1% | $67,610,790 |
| BlackRock, Inc. | 7.8% | 3,428,541 | -1.7% | 0% | $43,302,473 |
| AMERICAN CENTURY COMPANIES INC | 5.7% | 2,509,065 | +9.1% | 0.02% | $31,689,516 |
| BROWN ADVISORY INC | 4.8% | 2,122,332 | -14% | 0.04% | $26,805,057 |
| CADIAN CAPITAL MANAGEMENT, LP | 4.3% | 1,887,472 | +61% | 2.9% | $23,838,771 |
| VANGUARD CAPITAL MANAGEMENT LLC | 4% | 1,764,313 | 0% | 0% | $22,283,273 |
| Granahan Investment Management, LLC | 3.9% | 1,739,097 | +98% | 1.1% | $21,964,795 |
| Impax Asset Management Group plc | 3.2% | 1,425,010 | +19% | 0.13% | $17,997,876 |
| Nuveen, LLC | 2.9% | 1,285,511 | -9.6% | 0% | $16,236,003 |
| SILVERCREST ASSET MANAGEMENT GROUP LLC | 2.8% | 1,244,584 | -10% | 0.11% | $15,719,096 |
| STATE STREET CORP | 2.6% | 1,129,815 | +12% | 0% | $14,269,563 |
| PARADIGM CAPITAL MANAGEMENT INC/NY | 2.5% | 1,126,500 | +113% | 0.54% | $14,227,695 |
| GILDER GAGNON HOWE & CO LLC | 2.4% | 1,048,516 | +153% | 0.16% | $13,242,757 |
| GEODE CAPITAL MANAGEMENT, LLC | 2.2% | 951,728 | +3.3% | 0% | $12,022,704 |
| Champlain Investment Partners, LLC | 2% | 877,605 | -21% | 0.14% | $11,084,151 |
| Point72 Asset Management, L.P. | 1.9% | 840,346 | +13% | 0.02% | $10,613,570 |
| WELLINGTON MANAGEMENT GROUP LLP | 1.7% | 772,612 | -6.1% | 0% | $9,758,090 |
| MORGAN STANLEY | 1.6% | 712,510 | +248% | 0% | $8,999,002 |
| First Eagle Investment Management, LLC | 1.4% | 638,941 | +19% | 0.01% | $8,069,825 |
| GOLDMAN SACHS GROUP INC | 1.4% | 622,442 | -7.9% | 0% | $7,861,442 |
| DIMENSIONAL FUND ADVISORS LP | 1.4% | 618,939 | +42% | 0% | $7,815,759 |
| Pier Capital, LLC | 1.1% | 476,805 | -1.7% | 0.99% | $6,022,047 |
| RENAISSANCE TECHNOLOGIES LLC | 1.1% | 472,619 | +102% | 0.01% | $5,969,178 |
| PEREGRINE CAPITAL MANAGEMENT LLC | 0.97% | 428,061 | +13% | 0.2% | $5,406,410 |
| BANK OF AMERICA CORP /DE/ | 0.95% | 419,473 | +8.7% | 0% | $5,297,944 |
Quarter history
Institutional holders across reporting periods
Holder count, reported shares/value, and median price by quarter.
Periods
30
Latest
Q1 2026
Rows shown
1-25 of 30
| Period | 13F Shares, Excl. Options | Value, Excl. Options | Value Change | Price (Median) | Investors |
|---|---|---|---|---|---|
| 2026 Q1 | 43,351,500 | $547,481,606 | +$17,421,186 | $12.63 | 177 |
| 2025 Q4 | 41,331,498 | $815,025,065 | +$24,351,277 | $19.72 | 183 |
| 2025 Q3 | 41,857,239 | $616,132,363 | +$11,119,074 | $14.72 | 172 |
| 2025 Q2 | 40,845,770 | $768,714,026 | +$4,785,834 | $18.82 | 176 |
| 2025 Q1 | 40,444,748 | $567,437,608 | +$8,866,542 | $14.03 | 157 |
| 2024 Q4 | 39,804,713 | $558,070,001 | -$12,458,318 | $14.02 | 141 |
| 2024 Q3 | 40,711,841 | $569,069,682 | +$3,879,194 | $13.98 | 132 |
| 2024 Q2 | 40,863,278 | $528,361,819 | -$672,229 | $12.93 | 136 |
| 2024 Q1 | 40,756,923 | $667,225,645 | +$13,947,406 | $16.37 | 143 |
| 2023 Q4 | 39,251,388 | $823,649,953 | +$4,312,942 | $20.99 | 154 |
| 2023 Q3 | 38,945,462 | $826,267,488 | +$20,499,826 | $21.24 | 147 |
| 2023 Q2 | 37,704,811 | $1,017,417,852 | +$119,629,423 | $26.98 | 166 |
| 2023 Q1 | 33,530,215 | $659,420,116 | +$7,373,862 | $19.67 | 117 |
| 2022 Q4 | 33,586,257 | $458,070,309 | -$12,440,243 | $13.60 | 100 |
| 2022 Q3 | 33,831,912 | $590,839,340 | -$6,905,582 | $17.46 | 105 |
| 2022 Q2 | 34,374,282 | $453,236,964 | +$18,815,288 | $13.20 | 104 |
| 2022 Q1 | 32,444,428 | $732,052,597 | +$1,216,435 | $22.60 | 106 |
| 2021 Q4 | 32,402,172 | $719,061,166 | +$12,265,866 | $22.21 | 111 |
| 2021 Q3 | 31,166,659 | $668,020,606 | -$11,590,541 | $21.42 | 120 |
| 2021 Q2 | 30,575,810 | $962,171,395 | +$50,984,657 | $31.47 | 133 |
| 2021 Q1 | 29,241,220 | $930,282,738 | +$105,258,162 | $31.81 | 133 |
| 2020 Q4 | 26,266,463 | $784,924,062 | +$155,592,775 | $29.90 | 132 |
| 2020 Q3 | 21,228,663 | $503,413,991 | +$48,921,671 | $23.72 | 98 |
| 2020 Q2 | 19,127,365 | $304,876,276 | +$9,321,833 | $15.94 | 80 |
| 2020 Q1 | 18,741,680 | $223,963,773 | +$49,945,595 | $11.95 | 81 |