Latest Period
Q2 2026
Security Snapshot
SI-BONE, Inc. - Common Stock, par value $0.0001 per share (SIBN) Institutional Ownership
CUSIP: 825704109
13F Institutional Holders and Ownership History from Q4 2018 to Q2 2026
Institutions Reporting
167
Shares (Excl. Options)
47,423,932
Price
$16.32
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- Security type / class
- Equity / Common Stock, par value $0.0001 per share
- Symbol
- SIBN on Nasdaq
- All holders as of 30 Jun 2026
- Q2 2026
- Total 13F shares
- 47,423,932
- Total 13F value
- $773,911,711
- Portfolio coverage rank
- 0%
- Share change
- +4,067,246
- Value change
- +$72,202,302
- Number of holders
- 167
- Shares outstanding
- 44,634,320
- SEC-reported price per share
- $18.84
- Insider filing price
- $18.84
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, par value $0.0001 per share is tracked under CUSIP 825704109.
- 167 institutions reported positions in Q2 2026.
- 6 significant owners is listed from Schedule 13D/13G reporting.
Change
- Holder count moved from 178 to 167 between Q1 2026 and Q2 2026.
- SEC-reported value moved from $547,481,836 to $773,911,711.
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 167 institutions filings for Q2 2026.
Security key
825704109
Latest holder period
Q2 2026
13F holders
167
13D/G owners
6
CIK / CUSIP context first
Open Q2 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
6
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. | 8% | +16% | $58,078,555 | +$8,187,679 | 3,558,735 | +16% | BlackRock, Inc. | 30 Jun 2026 |
| CADIAN CAPITAL MANAGEMENT, LP | 7.5% | $57,276,991 | 3,347,574 | Cadian Capital Management, LP | 30 Jun 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 30 Jun 2026, 167 institutional investors reported holding 47,423,932 shares of SI-BONE, Inc. - Common Stock, par value $0.0001 per share (SIBN). This represents 106% of the company’s total 44,634,320 outstanding shares.
13F concentration
Top 25 institutional shareholders
Largest 13F positions for this security by reported shares and value.
Top holder share
87%
| Institution | Ownership % | Shares Held | Share Change % | Portfolio % | Holdings Value |
|---|---|---|---|---|---|
| First Light Asset Management, LLC | 18% | 8,127,985 | +52% | 8.1% | $132,648,715 |
| BlackRock, Inc. | 8.2% | 3,676,259 | +7.2% | 0% | $59,996,547 |
| CADIAN CAPITAL MANAGEMENT, LP | 7.5% | 3,347,574 | +77% | 4.1% | $54,632,408 |
| AMERICAN CENTURY COMPANIES INC | 5.6% | 2,510,963 | +0.08% | 0.02% | $40,978,947 |
| BROWN ADVISORY INC | 4.7% | 2,077,134 | -2.1% | 0.05% | $33,898,832 |
| Granahan Investment Management, LLC | 4.3% | 1,931,182 | +11% | 1.1% | $31,516,890 |
| VANGUARD CAPITAL MANAGEMENT LLC | 4.1% | 1,838,499 | +4.2% | 0% | $30,004,304 |
| Impax Asset Management Group plc | 3.2% | 1,425,010 | 0% | 0.15% | $23,256,163 |
| GILDER GAGNON HOWE & CO LLC | 2.8% | 1,253,042 | +20% | 0.21% | $20,449,645 |
| PARADIGM CAPITAL MANAGEMENT INC/NY | 2.8% | 1,233,200 | +9.5% | 0.55% | $20,125,824 |
| STATE STREET CORP | 2.7% | 1,214,286 | +7.5% | 0% | $19,849,376 |
| SILVERCREST ASSET MANAGEMENT GROUP LLC | 2.6% | 1,158,576 | -6.9% | 0.12% | $18,907,960 |
| GEODE CAPITAL MANAGEMENT, LLC | 2.4% | 1,076,839 | +13% | 0% | $17,577,360 |
| Nuveen, LLC | 2.3% | 1,026,036 | -20% | 0% | $16,744,908 |
| Champlain Investment Partners, LLC | 2% | 896,462 | +2.1% | 0.38% | $14,630,260 |
| Point72 Asset Management, L.P. | 1.8% | 790,323 | -6% | 0.02% | $12,898,071 |
| First Eagle Investment Management, LLC | 1.7% | 768,941 | +20% | 0.02% | $12,549,117 |
| WELLINGTON MANAGEMENT GROUP LLP | 1.7% | 742,857 | -3.9% | 0% | $12,123,426 |
| DIMENSIONAL FUND ADVISORS LP | 1.6% | 708,319 | +14% | 0% | $11,562,070 |
| MARSHALL WACE, LLP | 1.5% | 690,288 | +311% | 0.01% | $11,265,501 |
| NEXT CENTURY GROWTH INVESTORS LLC | 1.3% | 585,289 | +52% | 0.51% | $9,551,916 |
| VANGUARD PORTFOLIO MANAGEMENT LLC | 1.2% | 548,287 | +33% | 0% | $8,948,044 |
| GOLDMAN SACHS GROUP INC | 0.99% | 441,912 | -29% | 0% | $7,212,004 |
| NORTHERN TRUST CORP | 0.98% | 439,161 | +23% | 0% | $7,167,107 |
| HighMark Wealth Management LLC | 0.95% | 425,049 | +166% | 2.3% | $6,936,799 |
Quarter history
Institutional holders across reporting periods
Holder count, reported shares/value, and median price by quarter.
Periods
31
Latest
Q2 2026
Rows shown
1-25 of 31
| Period | 13F Shares, Excl. Options | Value, Excl. Options | Value Change | Price (Median) | Investors |
|---|---|---|---|---|---|
| 2026 Q2 | 47,423,932 | $773,911,711 | +$72,202,302 | $16.32 | 167 |
| 2026 Q1 | 43,351,510 | $547,481,836 | +$17,421,140 | $12.63 | 178 |
| 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 |