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Magnite

279 hedge funds and large institutions have $3.59B invested in Magnite in 2021 Q1 according to their latest regulatory filings, with 81 funds opening new positions, 78 increasing their positions, 97 reducing their positions, and 38 closing their positions.

New
Increased
Maintained
Reduced
Closed

113% more first-time investments, than exits

New positions opened: 81 | Existing positions closed: 38

52% more capital invested

Capital invested by funds: $2.36B → $3.59B (+$1.23B)

34% more call options, than puts

Call options by funds: $198M | Put options by funds: $148M

17% more funds holding

Funds holding: 239279 (+40)

6.01% more ownership

Funds ownership: 68.62%74.63% (+6%)

20% less repeat investments, than reductions

Existing positions increased: 78 | Existing positions reduced: 97

56% less funds holding in top 10

Funds holding in top 10: 167 (-9)

Holders
279
Holders Change
+40
Holders Change %
+16.74%
% of All Funds
4.9%
Holding in Top 10
7
Holding in Top 10 Change
-9
Holding in Top 10 Change %
-56.25%
% of All Funds
0.12%
New
81
Increased
78
Reduced
97
Closed
38
Calls
$198M
Puts
$148M
Net Calls
+$49.8M
Net Calls Change
-$4.83M
Name Holding Trade Value Shares
Change
Change in
Stake
Simplex Trading
101
Simplex Trading
Illinois
$2.06M +$614K +14,173 +40%
T. Rowe Price Associates
102
T. Rowe Price Associates
Maryland
$2.03M +$241K +5,557 +13%
PCM
103
Prelude Capital Management
New York
$2.02M -$1.83M -42,281 -47%
Wolverine Trading
104
Wolverine Trading
Illinois
$2.02M -$2.71M -62,469 -56%
TG
105
TCW Group
California
$2.01M +$2.09M +48,214 New
Marshall Wace
106
Marshall Wace
United Kingdom
$1.98M +$1.63M +37,560 +377%
SI
107
Stephens Inc
Arkansas
$1.91M -$386K -8,910 -16%
Schroder Investment Management Group
108
Schroder Investment Management Group
United Kingdom
$1.87M +$1.95M +44,981 New
JF
109
Jump Financial
Illinois
$1.84M +$1.92M +44,259 New
Bank of Montreal
110
Bank of Montreal
Ontario, Canada
$1.82M -$3.41M -78,673 -63%
Walleye Trading
111
Walleye Trading
New York
$1.79M -$2.15M -49,568 -54%
AQR Capital Management
112
AQR Capital Management
Connecticut
$1.73M +$1.03M +23,784 +133%
CAM
113
Connacht Asset Management
New York
$1.73M -$138K -3,191 -7%
MIM
114
MetLife Investment Management
New Jersey
$1.68M -$120K -2,773 -6%
State Board of Administration of Florida Retirement System
115
State Board of Administration of Florida Retirement System
Florida
$1.51M +$38.1K +880 +2%
AR
116
Advisory Research
Illinois
$1.5M -$309K -7,132 -17%
CPC
117
Congress Park Capital
New York
$1.46M +$1.21M +28,003 +395%
OAM
118
Oberweis Asset Management
Illinois
$1.46M -$10.4M -240,890 -87%
EIM
119
Essex Investment Management
Massachusetts
$1.43M -$900K -20,782 -38%
LPL Financial
120
LPL Financial
California
$1.38M +$340K +7,838 +31%
Stifel Financial
121
Stifel Financial
Missouri
$1.36M +$637K +14,694 +82%
Nomura Holdings
122
Nomura Holdings
Japan
$1.33M +$1.39M +32,000 New
Tudor Investment Corp
123
Tudor Investment Corp
Connecticut
$1.33M +$767K +17,703 +124%
ASRS
124
Arizona State Retirement System
Arizona
$1.29M +$25.4K +587 +2%
WAM
125
Wolverine Asset Management
Illinois
$1.23M +$1.28M +29,620 New

MGNI Hedge Fund Activity: Q1 2021 in Review

279 of the 5,695 institutional investors tracked by Wall St. Rank reported a position in Magnite (MGNI) for Q1 2021, worth a combined $3.59B — up 52% from $2.36B a quarter earlier.

Buyers outnumbered sellers: 81 funds opened new MGNI positions and 38 closed out — a net gain of 43 holders — while 78 added to existing stakes and 97 trimmed.

The largest buyer was Nuveen, adding an estimated $265M. The largest seller was Ranger Investment Management, cutting an estimated $91.5M.

  • 279 institutional investors held Magnite (MGNI) as of Q1 2021, up from 239 in Q4 2020.
  • Funds reported $3.59B of Magnite stock for Q1 2021, up 52% quarter-over-quarter.
  • 81 funds opened new Magnite positions in Q1 2021 and 38 closed out, a net change of +43 holders.
  • The largest Magnite buyer in Q1 2021 was Nuveen, an estimated $265M added.
  • The largest Magnite seller in Q1 2021 was Ranger Investment Management, an estimated $91.5M sold.

Based on aggregated 13F filings for Q1 2021.