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SI-BONE Inc
SIBN

134 hedge funds and large institutions have $958M invested in SI-BONE Inc in 2021 Q2 according to their latest regulatory filings, with 22 funds opening new positions, 54 increasing their positions, 43 reducing their positions, and 19 closing their positions.

New
Increased
Maintained
Reduced
Closed

35% more call options, than puts

Call options by funds: $1.36M | Put options by funds: $1.01M

26% more repeat investments, than reductions

Existing positions increased: 54 | Existing positions reduced: 43

16% more first-time investments, than exits

New positions opened: 22 | Existing positions closed: 19

3.79% more ownership

Funds ownership: 89.34% → 93.13% (+3.8%)

3% more capital invested

Capital invested by funds: $930M → $958M (+$28.3M)

1% more funds holding

Funds holding: 133 → 134 (+1)

50% less funds holding in top 10

Funds holding in top 10: 2 → 1 (-1)

Holders
134
Holders Change
+1
Holders Change %
+0.75%
% of All Funds
2.33%
Holding in Top 10
1
Holding in Top 10 Change
-1
Holding in Top 10 Change %
-50%
% of All Funds
0.02%
New
22
Increased
54
Reduced
43
Closed
19
Calls
$1.36M
Puts
$1.01M
Net Calls
+$351K
Net Calls Change
-$1.32M

Top Buyers

1
Brown Advisory
Brown Advisory
Maryland
+$15.6M
2
Macquarie Group
Macquarie Group
Australia
+$14.7M
3
Loomis, Sayles & Company
Loomis, Sayles & Company
Massachusetts
+$9.78M
4
Dimensional Fund Advisors
Dimensional Fund Advisors
Texas
+$6.11M
5
Morgan Stanley
Morgan Stanley
New York
+$5.5M

Top Sellers

1
PVI
Pura Vida Investments
New York
-$17.5M
2
GGHC
Gilder Gagnon Howe & Co
New York
-$8.88M
3
IECM
Intrinsic Edge Capital Management
Illinois
-$4.65M
4
Millennium Management
Millennium Management
New York
-$4.49M
5
NCGI
Next Century Growth Investors
Minnesota
-$3.78M
Name Holding Trade Value Shares
Change 		Change in
Stake
Goldman Sachs
51
Goldman Sachs
New York
$3.3M +$1.1M +34,149 +48%
Bank of America
52
Bank of America
North Carolina
$3.29M -$415K -12,833 -11%
HIM
53
Hillsdale Investment Management
Ontario, Canada
$3.01M – – –
Bank of New York Mellon
54
Bank of New York Mellon
New York
$2.84M -$440K -13,610 -13%
IHAM
55
Integral Health Asset Management
New York
$2.83M +$2.91M +90,000 New
Renaissance Technologies
56
Renaissance Technologies
New York
$2.76M -$3.49M -107,800 -55%
Bank of Montreal
57
Bank of Montreal
Ontario, Canada
$2.3M +$119K +3,673 +5%
PCMI
58
Paradigm Capital Management Inc
New York
$1.89M -$1.29M -40,000 -40%
Swiss National Bank
59
Swiss National Bank
Switzerland
$1.8M -$188K -5,800 -9%
Allianz Asset Management
60
Allianz Asset Management
Germany
$1.78M -$95.4K -2,950 -5%
Russell Investments Group
61
Russell Investments Group
United Kingdom
$1.48M -$2.39M -73,918 -61%
D.E. Shaw & Co
62
D.E. Shaw & Co
New York
$1.47M +$669K +20,688 +79%
California State Teachers Retirement System (CalSTRS)
63
California State Teachers Retirement System (CalSTRS)
California
$1.39M +$23.4K +725 +2%
Tudor Investment Corp
64
Tudor Investment Corp
Connecticut
$1.39M +$1.43M +44,078 New
Man Group
65
Man Group
United Kingdom
$1.31M -$358K -11,076 -21%
Calamos Advisors
66
Calamos Advisors
Illinois
$1.31M -$855K -26,438 -39%
ECM
67
Endurant Capital Management
California
$1.26M +$1.3M +40,155 New
Squarepoint
68
Squarepoint
New York
$1.19M +$1.22M +37,768 New
Select Equity Group
69
Select Equity Group
New York
$1.18M +$415K +12,837 +52%
BA
70
Bridgewater Associates
Connecticut
$1.08M +$1.11M +34,457 New
PCM
71
Pentwater Capital Management
Florida
$1.02M -$178K -5,500 -14%
AllianceBernstein
72
AllianceBernstein
Tennessee
$972K – – –
RMC
73
Regis Management Company
California
$944K – – –
RhumbLine Advisers
74
RhumbLine Advisers
Massachusetts
$904K +$2.72K +84 +0.3%
CSS
75
Cubist Systematic Strategies
Connecticut
$841K +$637K +19,711 +281%
1 2
3
4 5

SIBN Hedge Fund Activity: Q2 2021 in Review

134 of the 5,745 institutional investors tracked by Wall St. Rank reported a position in SI-BONE Inc (SIBN) for Q2 2021, worth a combined $958M — up 3% from $930M a quarter earlier.

Buyers outnumbered sellers: 22 funds opened new SIBN positions and 19 closed out — a net gain of 3 holders — while 54 added to existing stakes and 43 trimmed.

The largest buyer was Brown Advisory, adding an estimated $15.6M. The largest seller was Pura Vida Investments, exiting entirely with an estimated $17.5M sold.

  • 134 institutional investors held SI-BONE Inc (SIBN) as of Q2 2021, up from 133 in Q1 2021.
  • Funds reported $958M of SI-BONE Inc stock for Q2 2021, up 3% quarter-over-quarter.
  • 22 funds opened new SI-BONE Inc positions in Q2 2021 and 19 closed out, a net change of +3 holders.
  • The largest SI-BONE Inc buyer in Q2 2021 was Brown Advisory, an estimated $15.6M added.
  • The largest SI-BONE Inc seller in Q2 2021 was Pura Vida Investments, an estimated $17.5M sold.

Based on aggregated 13F filings for Q2 2021.