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SI-BONE Inc
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Overview Fund Activity

122 hedge funds and large institutions have $666M invested in SI-BONE Inc in 2021 Q3 according to their latest regulatory filings, with 14 funds opening new positions, 63 increasing their positions, 32 reducing their positions, and 26 closing their positions.

Holders
122
Holders Change
-12
Holders Change %
-8.96%
% of All Funds
2.14%
Holding in Top 10
2
Holding in Top 10 Change
+1
Holding in Top 10 Change %
+100%
% of All Funds
0.04%
New
14
Increased
63
Reduced
32
Closed
26
Calls
$2.87M
Puts
$1.33M
Net Calls
+$1.54M
Net Calls Change
+$1.19M

Top Buyers

1
Millennium Management
1
Millennium Management
New York
$38.1M
2
Brown Advisory
2
Brown Advisory
Maryland
$48.5M
3
O
3
OrbiMed
New York
$48.2M
4
American Century Companies
4
American Century Companies
Missouri
$21.6M
5
KCM
5
Kennedy Capital Management
Missouri
$13.3M

Top Sellers

1
Loomis, Sayles & Company
1
Loomis, Sayles & Company
Massachusetts
$0
2
Lord, Abbett & Co
2
Lord, Abbett & Co
New Jersey
$4.89M
3
NCGI
3
Next Century Growth Investors
Minnesota
$4.98M
4
Principal Financial Group
4
Principal Financial Group
Iowa
$996K
5
DCM
5
Driehaus Capital Management
Illinois
$10.1M
Name Market Value Shares Shares
Change 		Shares
Change %
Tudor Investment Corp
51
Tudor Investment Corp
Connecticut
$1.71M 79,884 +35,806 +81%
Allianz Asset Management
52
Allianz Asset Management
Germany
$1.51M 70,500 +13,956 +25%
Squarepoint
53
Squarepoint
New York
$1.48M 69,066 +31,298 +83%
Man Group
54
Man Group
United Kingdom
$1.37M 63,761 +21,990 +53%
Two Sigma Investments
55
Two Sigma Investments
New York
$1.31M 61,189 -177,954 -74%
Swiss National Bank
56
Swiss National Bank
Switzerland
$1.24M 58,000 +900 +2%
SG Americas Securities
57
SG Americas Securities
New York
$1.23M 57,205 +31,298 +121%
Bank of America
58
Bank of America
North Carolina
$1.17M 54,802 -49,705 -48%
CM
59
Castleark Management
Illinois
$1.16M 54,227 -167,058 -75%
CA
60
CastleArk Alternatives
Illinois
$1.16M 54,227 +54,227 New
PCM
61
Prelude Capital Management
New York
$1.04M 48,500 +24,000 +98%
CSS
62
Cubist Systematic Strategies
Connecticut
$1.01M 47,140 +20,411 +76%
Principal Financial Group
63
Principal Financial Group
Iowa
$996K 46,511 -516,883 -92%
PCM
64
Pentwater Capital Management
Florida
$985K 46,000 +13,500 +42%
CCM
65
Cinctive Capital Management
New York
$880K 41,091 +41,091 New
Select Equity Group
66
Select Equity Group
New York
$864K 40,329 +2,757 +7%
XWM
67
Xcel Wealth Management
Florida
$841K 39,250 +20,250 +107%
California State Teachers Retirement System (CalSTRS)
68
California State Teachers Retirement System (CalSTRS)
California
$831K 38,798 -5,484 -12%
PI
69
PFS Investments
Georgia
$761K 32,682 +16,689 +104%
BA
70
Bridgewater Associates
Connecticut
$755K 35,268 +811 +2%
AllianceBernstein
71
AllianceBernstein
Tennessee
$662K 30,900 – –
AG
72
Algert Global
California
$661K 30,873 +19,013 +160%
RhumbLine Advisers
73
RhumbLine Advisers
Massachusetts
$647K 30,216 +1,475 +5%
RMC
74
Regis Management Company
California
$643K 30,000 – –
GTCM
75
Gyon Technologies Capital Management
New Jersey
$584K 27,248 +16,907 +163%
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