SI-BONE, Inc.

SIBN

Exchange: Nasdaq
Industry: Surgical & Medical Instruments & Apparatus
SEC CIK: 0001459839

SEC filings (opens in a new tab)

In the last 90 days, SI-BONE, Inc. insiders filed 0 open-market purchases and 9 sales; 167 institutions reported holding it in 13F filings for Q2 2026, worth $773.9M in total; no superinvestor holds it.

Q4 2025 vs. Q3 2025

How the institutions holding SI-BONE, Inc. changed between Q3 2025 and Q4 2025.

All holders in Q4 2025 All holders in Q3 2025

13F holders of SIBN: Q3 2025 compared with Q4 2025
Measure	Q3 2025	Of which not filed for Q4 2025	Q4 2025	Change
Holders	175	4	183	+12
Shares	41.9M	1.08M	41.3M	+555.5K (+1.4%)
Value	$616.1M	$15.9M	$815.0M	+$214.8M (+35.8%)

4 institutions that held it in Q3 2025 haven't filed for Q4 2025 yet. Not filing isn't selling, so the changes leave them out.

New holders (30)

Institutions that held SI-BONE, Inc. at the end of Q4 2025 but not at the end of Q3 2025.

Institutions new to SIBN in Q4 2025
Institution	Shares	Value	% of portfolio
Gilder Gagnon Howe & Co LLC	413,958	$8.16M	0.09%
Nomura Asset Management International Inc.	104,760	$2.07M	0.00%
Hussman Strategic Advisors, Inc.	84,000	$1.66M	0.40%
CWM Advisors, LLC	63,168	$1.25M	0.11%
Man Group plc	48,916	$964.6K	0.00%
Cinctive Capital Management LP	44,528	$878.1K	0.05%
Nano Cap New Millennium Growth Fund L P	42,500	$838.1K	0.72%
Hilton Head Capital Partners, LLC	38,019	$749.7K	0.44%
D.A. Davidson & Co.	34,891	$688.1K	0.00%
Perpetual Ltd	29,745	$586.6K	0.01%
Penn Capital Management Co Inc	28,696	$565.9K	0.05%
Quantbot Technologies LP	21,747	$428.9K	0.01%
SG Americas Securities, LLC	19,862	$392.0K	0.00%
Entropy Technologies, LP	10,296	$203.0K	0.01%
Baader Bank INC	10,013	$197.4K	0.02%
Los Angeles Capital Management LLC	7,326	$111.0K	0.00%
Kemnay Advisory Services Inc.	2,706	$53.4K	0.01%
Canada Pension Plan Investment Board	2,000	$39.4K	0.00%
Antipodes Partners Ltd	1,470	$29.0K	0.00%
Parallel Advisors, LLC	887	$17.5K	0.00%
BNP PARIBAS ASSET MANAGEMENT Holding S.A.	598	$12.0K	0.00%
Caption Management, LLC	422	$8.32K	0.00%
Huntington National Bank	300	$5.92K	0.00%
City Holding Co	199	$3.92K	0.00%
Fortitude Family Office, LLC	168	$3.31K	0.00%
Group One Trading, L.P.	100	$1.97K	0.00%
Rockefeller Capital Management L.P.	70	$1.38K	0.00%
Rachor Investment Advisory Services, LLC	58	$1.14K	0.00%
Allworth Financial LP	4	$79	0.00%
Sunbelt Securities, Inc.	1	$20	0.00%

Sold out (18)

Institutions that held SI-BONE, Inc. at the end of Q3 2025 and filed for Q4 2025 without it.

Institutions that sold out of SIBN in Q4 2025
Institution	Shares, Q3 2025	Value, Q3 2025
OrbiMed Advisors LLC	2,578,979	$38.0M
Divisadero Street Capital Management, LP	247,463	$3.64M
Macquarie Group Ltd	106,966	$1.57M
XTX Topco Ltd	33,870	$498.6K
Semanteon Capital Management, LP	27,684	$407.5K
Graham Capital Management, L.P.	24,400	$359.2K
Brevan Howard Capital Management LP	20,437	$300.8K
Dynamic Technology Lab Private Ltd	20,282	$299.0K
Allianz Asset Management GmbH	20,300	$298.8K
Petrus Trust Company, LTA	13,833	$203.6K
Magnetar Financial LLC	13,071	$192.4K
Virtus ETF Advisers LLC	11,333	$166.8K
Inceptionr LLC	10,962	$161.4K
Boothbay Fund Management, LLC	10,265	$151.1K
State of Tennessee, Treasury Department	8,486	$124.9K
Mather Group, LLC.	430	$6.33K
Northwestern Mutual Wealth Management Co	109	$1.60K
Federated Hermes, Inc.	84	$1.24K

Not filed for Q4 2025 yet (4)

Institutions that held SI-BONE, Inc. at the end of Q3 2025 and haven't filed a 13F for Q4 2025. Not filing isn't selling, so they aren't counted as sold out.

Institutions holding SIBN in Q3 2025 that haven't filed for Q4 2025
Institution	Shares, Q3 2025	Value, Q3 2025
Point72 (DIFC) Ltd	584,620	$8.61M
Kent Lake PR LLC	250,000	$3.68M
Cubist Systematic Strategies, LLC	246,911	$3.63M
Point72 Asia (Singapore) Pte. Ltd.	615	$9.06K