SI-BONE, Inc. (SIBN) Institutional Ownership

Institutions by Trading Activity

Ownership Statistics

43,188,524Shares Outstanding

41,364,116Shares held by institutions

$571,652,083Value of institutional holdings

95.78%Institutional ownership %

8.74%Shares Changed QoQ

179No. of institutional investors

Shares Owned by Institutions

Shares Purchased/Sold by Institutions

Ownership Summary

SI-BONE, Inc. (NASDAQ:SIBN) has 179 institutional investors that have filed 13F reports for the period ending December 2025.

They owned 94.2% of outstanding stock in December 2025, down from 98.3% the prior quarter.
Their total shares held in SIBN increased 7.43% from the prior quarter, while the number of investors in Si-Bone increased 23.45% year over year.
Of these 179 funds, 99 grew their exposure to Si-Bone, 62 cut back, and 18 maintained positions.
Altogether, these fund groups held 40.66Mn shares in SIBN by December 2025, up by 2.81Mn shares quarter on quarter, and down 9.7K shares year over year.
First Light Asset Management, LLC holds the largest position in SIBN at 5.03Mn shares as of December 31, 2025, or 11.65% of shares outstanding.
Top purchasers of SIBN stock for the quarter ending December 2025 included First Light Asset Management, LLC (3.12Mn), Goldman Sachs Group Inc (851.16K), CADIAN CAPITAL MANAGEMENT, LP (576.1K), Point72 Asset Management, L.P. (243.97K), ALGERT GLOBAL LLC (196.66K).
The biggest sellers of Si-Bone for the quarter ending December 2025 included Champlain Investment Partners, LLC (992.76K), AMERICAN CENTURY COMPANIES INC (537.6K), BROWN ADVISORY INC (311.36K), VICTORY CAPITAL MANAGEMENT INC (307.05K), RENAISSANCE TECHNOLOGIES LLC (265.3K).
Business Quant data shows the 10 biggest positions in Si-Bone as of December 2025 are held by First Light Asset Management, LLC (5.03Mn), BlackRock, Inc. (3.49Mn), VANGUARD GROUP INC (2.5Mn), BROWN ADVISORY INC (2.46Mn), AMERICAN CENTURY COMPANIES INC (2.3Mn), Nuveen, LLC (1.42Mn), SILVERCREST ASSET MANAGEMENT GROUP LLC (1.38Mn), Goldman Sachs Group Inc (1.35Mn), Impax Asset Management Group plc (1.2Mn), CADIAN CAPITAL MANAGEMENT, LP (1.17Mn).

179 Institutional Holders

41,364,116 Total Shares Held

Rows:

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Owner Name	Date	Shares Held	Change (QoQ)	Change (%)	Value (USD)
First Light Asset Management, LLC	31 Dec, 2025	5,032,904	3,115,001	162.42%	$99,248,867.00
BlackRock, Inc.	31 Dec, 2025	3,487,473	32,354	0.94%	$68,772,966.00
VANGUARD GROUP INC	31 Dec, 2025	2,501,555	11,566	0.46%	$49,330,665.00
BROWN ADVISORY INC	31 Dec, 2025	2,461,802	-311,365	-11.23%	$48,546,742.00
AMERICAN CENTURY COMPANIES INC	31 Dec, 2025	2,300,508	-537,599	-18.94%	$45,366,047.00
Nuveen, LLC	31 Dec, 2025	1,421,946	69,229	5.12%	$28,040,776.00
SILVERCREST ASSET MANAGEMENT GROUP LLC	31 Dec, 2025	1,382,865	-78,116	-5.35%	$27,270,098.00
Goldman Sachs Group Inc	31 Dec, 2025	1,352,032	851,157	169.93%	$26,662,072.00
Impax Asset Management Group plc	31 Dec, 2025	1,200,010	175,000	17.07%	$23,664,197.00
CADIAN CAPITAL MANAGEMENT, LP	31 Dec, 2025	1,171,100	576,100	96.82%	$23,094,092.00
Champlain Investment Partners, LLC	31 Dec, 2025	1,116,182	-992,762	-47.07%	$22,011,109.00
State Street Corp	31 Dec, 2025	1,005,257	-19,764	-1.93%	$19,823,668.00
GEODE CAPITAL MANAGEMENT, LLC	31 Dec, 2025	921,581	974	0.11%	$18,176,245.00
Granahan Investment Management, LLC	31 Dec, 2025	880,155	-159,494	-15.34%	$17,356,657.00
WELLINGTON MANAGEMENT GROUP LLP	31 Dec, 2025	822,485	-30,781	-3.61%	$16,219,405.00
Point72 Asset Management, L.P.	31 Dec, 2025	745,970	243,968	48.60%	$14,710,528.00
ALGERT GLOBAL LLC	31 Dec, 2025	611,859	196,665	47.37%	$12,066.00
First Eagle Investment Management, LLC	31 Dec, 2025	537,461	53,200	10.99%	$10,598,731.00
PARADIGM CAPITAL MANAGEMENT INC/NY	31 Dec, 2025	528,200	-35,331	-6.27%	$10,416,104.00
Pier Capital, LLC	31 Dec, 2025	485,217	-3,618	-0.74%	$9,568,479.00

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