Magnite
MGNI
223 hedge funds and large institutions have $892M invested in Magnite in 2023 Q1 according to their latest regulatory filings, with 37 funds opening new positions, 72 increasing their positions, 67 reducing their positions, and 45 closing their positions.
1.41% more ownership
Funds ownership: 69.95% → 71.36% (+1.4%)
7% more repeat investments, than reductions
Existing positions increased: 72 | Existing positions reduced: 67
3% less funds holding
Funds holding: 231 → 223 (-8)
8% less capital invested
Capital invested by funds: $969M → $892M (-$76.6M)
18% less first-time investments, than exits
New positions opened: 37 | Existing positions closed: 45
44% less call options, than puts
Call options by funds: $20M | Put options by funds: $35.8M
50% less funds holding in top 10
Funds holding in top 10: 8 → 4 (-4)
Top Buyers
| Rank | Fund | Capital Flow |
|---|---|---|
| 1 |
Dimensional Fund Advisors
Austin,
Texas
|
+$25.6M |
| 2 |
FCM
Frontier Capital Management
Boston,
Massachusetts
|
+$11.6M |
| 3 |
PCM
Penn Capital Management
Philadelphia,
Pennsylvania
|
+$8.54M |
| 4 |
Nordea Investment Management
Stockholm,
Sweden
|
+$8.07M |
| 5 |
Fidelity Investments
Boston,
Massachusetts
|
+$7.2M |
Top Sellers
| Rank | Fund | Capital Flow |
|---|---|---|
| 1 |
NTCM
Nine Ten Capital Management
Chicago,
Illinois
|
-$14.3M |
| 2 |
GIM
Granahan Investment Management
Waltham,
Massachusetts
|
-$14.1M |
| 3 |
N
Nuveen
Charlotte,
North Carolina
|
-$7.93M |
| 4 |
LCG
Lisanti Capital Growth
New York
|
-$3.97M |
| 5 |
Parallax Volatility Advisers
San Francisco,
California
|
-$3.87M |
MGNI Hedge Fund Activity: Q1 2023 in Review
223 of the 6,275 institutional investors tracked by Wall St. Rank reported a position in Magnite (MGNI) for Q1 2023, worth a combined $892M — down 7.9% from $969M a quarter earlier.
Sellers outnumbered buyers: 45 funds closed out of MGNI and 37 opened new positions — a net loss of 8 holders — while 67 trimmed existing stakes and 72 added.
The largest buyer was Dimensional Fund Advisors, adding an estimated $25.6M. The largest seller was Nine Ten Capital Management, exiting entirely with an estimated $14.3M sold.
- 223 institutional investors held Magnite (MGNI) as of Q1 2023, down from 231 in Q4 2022.
- Funds reported $892M of Magnite stock for Q1 2023, down 7.9% quarter-over-quarter.
- 37 funds opened new Magnite positions in Q1 2023 and 45 closed out, a net change of -8 holders.
- The largest Magnite buyer in Q1 2023 was Dimensional Fund Advisors, an estimated $25.6M added.
- The largest Magnite seller in Q1 2023 was Nine Ten Capital Management, an estimated $14.3M sold.
Based on aggregated 13F filings for Q1 2023.