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 11 sales; 167 institutions reported holding it in 13F filings for Q2 2026, worth $773.9M in total; no superinvestor holds it.

Q2 2021 vs. Q1 2021

How the institutions holding SI-BONE, Inc. changed between Q1 2021 and Q2 2021.

All holders in Q2 2021 All holders in Q1 2021

13F holders of SIBN: Q1 2021 compared with Q2 2021
Measure	Q1 2021	Of which not filed for Q2 2021	Q2 2021	Change
Holders	133	2	134	+3
Shares	29.2M	592.7K	30.6M	+1.93M (+6.7%)
Value	$930.3M	$18.9M	$962.2M	+$50.7M (+5.6%)

2 institutions that held it in Q1 2021 haven't filed for Q2 2021 yet. Not filing isn't selling, so the changes leave them out.

New holders (22)

Institutions that held SI-BONE, Inc. at the end of Q2 2021 but not at the end of Q1 2021.

Institutions new to SIBN in Q2 2021
Institution	Shares	Value	% of portfolio
Amundi	303,293	$9.54M	0.01%
M&G Investment Management Ltd	113,437	$3.52M	0.02%
Integral Health Asset Management, LLC	90,000	$2.83M	0.78%
Tudor Investment Corp Et Al	44,078	$1.39M	0.03%
Endurant Capital Management LP	40,155	$1.26M	0.35%
Squarepoint Ops LLC	37,768	$1.19M	0.01%
Bridgewater Associates, LP	34,457	$1.08M	0.01%
Prelude Capital Management, LLC	24,500	$771.0K	0.04%
Xcel Wealth Management, LLC	19,000	$598.0K	0.18%
Susquehanna International Group, LLP	16,497	$519.0K	0.00%
Twinbeech Capital LP	15,380	$484.0K	0.06%
ExodusPoint Capital Management, LP	15,066	$474.0K	0.01%
PFS Investments Inc.	15,993	$447.0K	0.01%
Qube Research & Technologies Ltd	9,721	$306.0K	0.00%
Trexquant Investment LP	9,298	$293.0K	0.02%
Campbell & CO Investment Adviser LLC	9,000	$283.0K	0.12%
Summit Global Investments	8,900	$280.0K	0.02%
Jane Street Group, LLC	8,442	$265.0K	0.00%
Brinker Capital Investments, LLC	6,683	$210.0K	0.00%
Lazard Asset Management LLC	1,094	$34.0K	0.00%
FORA Capital, LLC	700	$22.0K	0.00%
Quantbot Technologies LP	500	$15.0K	0.00%

Sold out (19)

Institutions that held SI-BONE, Inc. at the end of Q1 2021 and filed for Q2 2021 without it.

Institutions that sold out of SIBN in Q2 2021
Institution	Shares, Q1 2021	Value, Q1 2021
Pura Vida Investments, LLC	550,104	$17.5M
EAM Global Investors LLC	81,200	$2.58M
Caas Capital Management LP	70,898	$2.25M
Canada Pension Plan Investment Board	64,000	$2.04M
EAM Investors, LLC	57,689	$1.83M
California Public Employees Retirement System	51,600	$1.64M
Aviva PLC	39,522	$1.26M
Schonfeld Strategic Advisors LLC	38,820	$1.24M
Highland Capital Management Fund Advisors, L.P.	20,000	$636.0K
HighTower Advisors, LLC	17,940	$570.0K
Voloridge Investment Management, LLC	12,773	$406.0K
Paloma Partners Management Co	7,976	$254.0K
Marshall Wace, LLP	7,119	$226.0K
Aigen Investment Management, LP	6,466	$206.0K
Maverick Capital LtdSuperinvestorMaverick Capital	3,456	$110.0K
Point72 Hong Kong Ltd	2,154	$69.0K
Altshuler Shaham Ltd	1,307	$42.0K
Panagora Asset Management Inc	284	$9.00K
Sowell Financial Services LLC	200	$6.00K

Not filed for Q2 2021 yet (2)

Institutions that held SI-BONE, Inc. at the end of Q1 2021 and haven't filed a 13F for Q2 2021. Not filing isn't selling, so they aren't counted as sold out.

Institutions holding SIBN in Q1 2021 that haven't filed for Q2 2021
Institution	Shares, Q1 2021	Value, Q1 2021
Waddell & Reed Financial Inc	396,185	$12.6M
Amundi Asset Management US, Inc.	196,530	$6.25M