Latest Period
Q4 2025
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
182
Shares (Excl. Options)
41,331,492
Price
$19.72
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- Type / Class
- Equity / Common Stock, $0.001 par value
- Symbol
- SIBN on Nasdaq
- Shares outstanding
- 44,231,950
- Price per share
- $13.21
- All holders as of 31 Dec 2025
- Q4 2025
- Total 13F shares
- 41,331,492
- Total reported value
- $815,024,947
- % of total 13F portfolios
- 0%
- Share change
- +438,084
- Value change
- +$24,352,005
- Number of holders
- 182
- Price from insider filings
- $13.21
Reported Shares, Excluding Options vs Price
Reported Value, Excluding Options
Total Investors
Quick Takeaways
- SIBN - SI-BONE, Inc. - Common Stock, $0.001 par value is tracked under CUSIP 825704109.
- 182 institutions reported positions in Q4 2025.
- 5 significant owners is listed from Schedule 13D/13G reporting.
What Changed
- Holder count moved from 182 to 90 between Q4 2025 and Q1 2026.
- Reported value moved from $815,024,947 to $187,847,759.
Why This Matters
- 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.
Source Evidence
Source: SEC Form 13F
Open SEC Evidence
Latest holder context comes from 182 institutions filings for Q4 2025.
Investment Quick Answers
What is CUSIP 825704109?
CUSIP 825704109 identifies SIBN - SI-BONE, Inc. - Common Stock, $0.001 par value in SEC 13F datasets.
Where can I see the latest institutional holders?
Review the Q4 2025 holders report and the ownership history table below.
Next ownership checks
Use the next link that matches the question you still need to answer about this security.
- Latest 13F filings when you want to inspect fresh institutional portfolio moves.
- Latest Schedule 13D/13G reports when you need large-owner changes outside the 13F cycle.
- All institutional ownership pages to compare this security with other holder-history pages.
Recent Quarterly Holder Reports
Open recent reporting periods for CUSIP 825704109:
Significant Owners of SI-BONE, Inc. - Common Stock, $0.001 par value (SIBN) based on Schedule 13D/G filings
| 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 Dec 2025, 182 institutional investors reported holding 41,331,492 shares of SI-BONE, Inc. - Common Stock, $0.001 par value (SIBN). This represents 93% of the company’s total 44,231,950 outstanding shares.
Top 25 Institutional Shareholders
The largest institutional shareholders of SI-BONE, Inc. - Common Stock, $0.001 par value (SIBN) together control 71% of the company’s outstanding shares — a level of ownership often associated with strong institutional conviction and long‑term capital commitment.
| Institution | Ownership % | Shares Held | Share Change % | Portfolio % | Holdings Value |
|---|---|---|---|---|---|
| First Light Asset Management, LLC | 11% | 5,032,904 | +162% | 7.6% | $99,248,867 |
| BlackRock, Inc. | 7.9% | 3,487,473 | +0.94% | 0% | $68,772,966 |
| VANGUARD GROUP INC | 5.7% | 2,501,555 | +0.46% | 0% | $49,330,665 |
| BROWN ADVISORY INC | 5.6% | 2,461,802 | -11% | 0.07% | $48,546,742 |
| AMERICAN CENTURY COMPANIES INC | 5.2% | 2,300,508 | -19% | 0.02% | $45,366,047 |
| Nuveen, LLC | 3.2% | 1,421,946 | +5.1% | 0.01% | $28,040,776 |
| SILVERCREST ASSET MANAGEMENT GROUP LLC | 3.1% | 1,382,865 | -5.3% | 0.19% | $27,270,098 |
| Impax Asset Management Group plc | 2.7% | 1,200,010 | +17% | 0.15% | $23,664,197 |
| CADIAN CAPITAL MANAGEMENT, LP | 2.6% | 1,171,100 | +97% | 1.7% | $23,094,092 |
| Champlain Investment Partners, LLC | 2.5% | 1,116,182 | -47% | 0.22% | $22,011,109 |
| STATE STREET CORP | 2.3% | 1,005,257 | -1.9% | 0% | $19,823,668 |
| GEODE CAPITAL MANAGEMENT, LLC | 2.1% | 921,581 | +0.11% | 0% | $18,176,245 |
| Granahan Investment Management, LLC | 2% | 880,155 | -15% | 0.74% | $17,356,657 |
| WELLINGTON MANAGEMENT GROUP LLP | 1.9% | 822,485 | -3.6% | 0% | $16,219,405 |
| Point72 Asset Management, L.P. | 1.7% | 745,970 | +49% | 0.02% | $14,710,528 |
| GOLDMAN SACHS GROUP INC | 1.5% | 676,016 | +35% | 0% | $13,331,036 |
| ALGERT GLOBAL LLC | 1.4% | 611,859 | +47% | 0.19% | $12,066,000 |
| First Eagle Investment Management, LLC | 1.2% | 537,461 | +11% | 0.02% | $10,598,731 |
| PARADIGM CAPITAL MANAGEMENT INC/NY | 1.2% | 528,200 | -6.3% | 0.44% | $10,416,104 |
| Pier Capital, LLC | 1.1% | 485,217 | -0.74% | 1.5% | $9,568,479 |
| DIMENSIONAL FUND ADVISORS LP | 0.99% | 436,474 | +17% | 0% | $8,607,185 |
| GILDER GAGNON HOWE & CO LLC | 0.94% | 413,958 | 0.09% | $8,163,252 | |
| D. E. Shaw & Co., Inc. | 0.91% | 404,021 | +2.8% | 0.01% | $7,967,294 |
| BANK OF AMERICA CORP /DE/ | 0.87% | 385,785 | +96% | 0% | $7,607,681 |
| PEREGRINE CAPITAL MANAGEMENT LLC | 0.86% | 378,791 | -1.3% | 0.23% | $7,469,759 |
Institutional Holders of SI-BONE, Inc. - Common Stock, $0.001 par value (SIBN) across Reporting Periods
| Period | Reported Shares, Excl. Options | Value, Excl. Options | Value Change | Price (Median) | Investors |
|---|---|---|---|---|---|
| 2026 Q1 | 14,876,985 | $187,847,759 | -$12,774,455 | $12.63 | 90 |
| 2025 Q4 | 41,331,492 | $815,024,947 | +$24,352,005 | $19.72 | 182 |
| 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 |
| 2019 Q4 | 13,858,033 | $297,947,544 | +$26,668,479 | $21.50 | 62 |
| 2019 Q3 | 12,750,236 | $225,295,309 | +$27,241,248 | $17.67 | 65 |
| 2019 Q2 | 11,181,939 | $227,369,247 | +$36,631,227 | $20.34 | 61 |
| 2019 Q1 | 9,549,970 | $179,919,000 | -$3,024,841 | $18.84 | 44 |
| 2018 Q4 | 9,598,547 | $200,506,000 | +$200,505,996 | $20.89 | 50 |