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Ambarella
AMBA

207 hedge funds and large institutions have $870M invested in Ambarella in 2018 Q2 according to their latest regulatory filings, with 32 funds opening new positions, 66 increasing their positions, 60 reducing their positions, and 42 closing their positions.

New
Increased
Maintained
Reduced
Closed

10% more repeat investments, than reductions

Existing positions increased: 66 | Existing positions reduced: 60

7% more call options, than puts

Call options by funds: $66.3M | Put options by funds: $62.1M

1.84% less ownership

Funds ownership: 69.19% → 67.36% (-1.8%)

6% less funds holding

Funds holding: 220 → 207 (-13)

24% less first-time investments, than exits

New positions opened: 32 | Existing positions closed: 42

25% less capital invested

Capital invested by funds: $1.16B → $870M (-$294M)

50% less funds holding in top 10

Funds holding in top 10: 2 → 1 (-1)

Holders
207
Holders Change
-13
Holders Change %
-5.91%
% of All Funds
4.74%
Holding in Top 10
1
Holding in Top 10 Change
-1
Holding in Top 10 Change %
-50%
% of All Funds
0.02%
New
32
Increased
66
Reduced
60
Closed
42
Calls
$66.3M
Puts
$62.1M
Net Calls
+$4.16M
Net Calls Change
-$80.1M

Top Buyers

1
Citadel Advisors
Citadel Advisors
Florida
+$18.6M
2
Susquehanna International Group
Susquehanna International Group
Pennsylvania
+$10.5M
3
VBA
Van Berkom & Associates
Quebec, Canada
+$7.91M
4
FG
Formula Growth
Quebec, Canada
+$7.59M
5
Wellington Management Group
Wellington Management Group
Massachusetts
+$7.44M

Top Sellers

1
Ameriprise
Ameriprise
Minnesota
-$33M
2
AllianceBernstein
AllianceBernstein
Tennessee
-$18.4M
3
T. Rowe Price Associates
T. Rowe Price Associates
Maryland
-$17.5M
4
PSCM
Prince Street Capital Management
New York
-$14.1M
5
Renaissance Technologies
Renaissance Technologies
New York
-$13.8M
Name Holding Trade Value Shares
Change 		Change in
Stake
RhumbLine Advisers
76
RhumbLine Advisers
Massachusetts
$1.28M +$34.3K +725 +2%
CCMT
77
CMT Capital Markets Trading
Germany
$1.28M +$1.57M +33,187 New
Balyasny Asset Management
78
Balyasny Asset Management
Illinois
$1.27M +$497K +10,500 +47%
GXMC
79
Global X Management Company
New York
$1.24M +$227K +4,785 +17%
SG Americas Securities
80
SG Americas Securities
New York
$1.22M +$1.13M +23,949 +311%
RIM
81
Reliant Investment Management
Tennessee
$1.17M -$49K -1,035 -3%
VF
82
Virtu Financial
New York
$1.15M +$1.41M +29,778 New
PPA
83
Parametric Portfolio Associates
Washington
$1.14M +$60.5K +1,278 +5%
Daiwa Securities Group
84
Daiwa Securities Group
Japan
$1.13M – – –
RAM
85
Redmond Asset Management
Virginia
$1.1M -$17.2K -363 -1%
California Public Employees Retirement System
86
California Public Employees Retirement System
California
$1.1M +$147K +3,097 +12%
FNBOO
87
First National Bank of Omaha
Nebraska
$1.05M -$4.4K -93 -0.3%
MCM
88
Mengis Capital Management
Oregon
$1.02M -$52.1K -1,100 -4%
WA
89
Wasatch Advisors
Utah
$981K +$1.2M +25,398 New
Baird Financial Group
90
Baird Financial Group
Wisconsin
$953K -$156K -3,300 -12%
Wolverine Trading
91
Wolverine Trading
Illinois
$942K – – –
OA
92
Oak Associates
Ohio
$929K – – –
Russell Investments Group
93
Russell Investments Group
United Kingdom
$918K +$120K +2,533 +12%
Manulife (Manufacturers Life Insurance)
94
Manulife (Manufacturers Life Insurance)
Ontario, Canada
$913K -$20.2K -426 -2%
Citigroup
95
Citigroup
New York
$868K -$488K -10,317 -31%
Two Sigma Advisers
96
Two Sigma Advisers
New York
$849K +$279K +5,900 +37%
AIG
97
American International Group
New York
$814K +$16.2K +342 +2%
JGC
98
J. Goldman & Co
New York
$782K +$542K +11,442 +130%
SM
99
SG3 Management
Puerto Rico
$772K +$947K +20,000 New
SAMH
100
Shanda Asset Management Holdings
British Virgin Islands
$772K +$947K +20,000 New
2 3
4
5 6

AMBA Hedge Fund Activity: Q2 2018 in Review

207 of the 4,368 institutional investors tracked by Wall St. Rank reported a position in Ambarella (AMBA) for Q2 2018, worth a combined $870M — down 25% from $1.16B a quarter earlier.

Sellers outnumbered buyers: 42 funds closed out of AMBA and 32 opened new positions — a net loss of 10 holders — while 60 trimmed existing stakes and 66 added.

The largest buyer was Citadel Advisors, adding an estimated $18.6M. The largest seller was Ameriprise, exiting entirely with an estimated $33M sold.

  • 207 institutional investors held Ambarella (AMBA) as of Q2 2018, down from 220 in Q1 2018.
  • Funds reported $870M of Ambarella stock for Q2 2018, down 25% quarter-over-quarter.
  • 32 funds opened new Ambarella positions in Q2 2018 and 42 closed out, a net change of -10 holders.
  • The largest Ambarella buyer in Q2 2018 was Citadel Advisors, an estimated $18.6M added.
  • The largest Ambarella seller in Q2 2018 was Ameriprise, an estimated $33M sold.

Based on aggregated 13F filings for Q2 2018.