Group One Trading’s Magnite MGNI Stock Holding History
Bought
Maintained
Sold
| Quarter | Market Value | Status | Shares |
Change in Stake | Trade Value | Portfolio Weight | Portfolio Position | |
|---|---|---|---|---|---|---|---|---|
|
2026
Q1 | $297K | Buy |
24,999
+19,652
| +368% | +$263K | ﹤0.01% | 3808 |
|
|
2025
Q4 | $86.8K | Sell |
5,347
-104,968
| -95% | -$1.74M | ﹤0.01% | 5117 |
|
|
2025
Q3 | $2.4M | Buy |
110,315
+3,226
| +3% | +$76.2K | ﹤0.01% | 2125 |
|
|
2025
Q2 | $2.58M | Buy |
107,089
+97,719
| +1,043% | +$1.44M | 0.01% | 1885 |
|
|
2025
Q1 | $107K | Sell |
9,370
-178,250
| -95% | -$2.84M | ﹤0.01% | 4547 |
|
|
2024
Q4 | $2.99M | Buy |
187,620
+82,135
| +78% | +$1.21M | 0.01% | 1573 |
|
|
2024
Q3 | $1.46M | Buy |
+105,485
| New | +$1.44M | ﹤0.01% | 1990 |
|
|
2022
Q4 | – | Sell |
-81,845
| Closed | -$747K | – | 7759 |
|
|
2022
Q3 | $538K | Sell |
81,845
-40,899
| -33% | -$329K | ﹤0.01% | 3157 |
|
|
2022
Q2 | $1.09M | Sell |
122,744
-62,570
| -34% | -$671K | ﹤0.01% | 2668 |
|
|
2022
Q1 | $2.45M | Sell |
185,314
-79,523
| -30% | -$1.07M | ﹤0.01% | 2209 |
|
|
2021
Q4 | $4.63M | Buy |
264,837
+152,485
| +136% | +$3.44M | ﹤0.01% | 1776 |
|
|
2021
Q3 | $3.15M | Buy |
+112,352
| New | +$3.38M | ﹤0.01% | 2189 |
|
|
2021
Q1 | – | Sell |
-281,390
| Closed | -$12.2M | – | 7848 |
|
|
2020
Q4 | $8.64M | Buy |
281,390
+114,631
| +69% | +$1.73M | 0.01% | 901 |
|
|
2020
Q3 | $1.16M | Buy |
166,759
+117,262
| +237% | +$784K | ﹤0.01% | 2065 |
|
|
2020
Q2 | $330K | Buy |
49,497
+33,311
| +206% | +$208K | ﹤0.01% | 2959 |
|
|
2020
Q1 | $90K | Sell |
16,186
-37,411
| -70% | -$344K | ﹤0.01% | 3377 |
|
|
2019
Q4 | $437K | Buy |
53,597
+50,492
| +1,626% | +$415K | ﹤0.01% | 2544 |
|
|
2019
Q3 | $27K | Sell |
3,105
-9,068
| -74% | -$79.5K | ﹤0.01% | 4247 |
|
|
2019
Q2 | $77K | Sell |
12,173
-1,320
| -10% | -$8.11K | ﹤0.01% | 3540 |
|
|
2019
Q1 | $82K | Sell |
13,493
-174,400
| -93% | -$898K | ﹤0.01% | 3305 |
|
|
2018
Q4 | $701K | Buy |
187,893
+34,300
| +22% | +$131K | 0.01% | 1767 |
|
|
2018
Q3 | $553K | Buy |
153,593
+56,319
| +58% | +$199K | ﹤0.01% | 2193 |
|
|
2018
Q2 | $277K | Buy |
97,274
+73,936
| +317% | +$176K | ﹤0.01% | 2782 |
|
|
2018
Q1 | $42K | Buy |
23,338
+18,900
| +426% | +$35.8K | ﹤0.01% | 3743 |
|
|
2017
Q4 | $8K | Buy |
4,438
+100
| +2% | +$250 | ﹤0.01% | 4445 |
|
|
2017
Q3 | $17K | Sell |
4,338
-19,000
| -81% | -$80.9K | ﹤0.01% | 4130 |
|
|
2017
Q2 | $120K | Sell |
23,338
-50,103
| -68% | -$275K | ﹤0.01% | 3000 |
|
|
2017
Q1 | $433K | Buy |
73,441
+73,379
| +118,353% | +$572K | 0.01% | 1936 |
|
|
2016
Q4 | $0 | Sell |
62
-10,051
| -99% | -$78.3K | ﹤0.01% | 4661 |
|
|
2016
Q3 | $84K | Buy |
+10,113
| New | +$107K | ﹤0.01% | 3043 |
|
|
2016
Q1 | – | Sell |
-4,170
| Closed | -$63.8K | – | 4787 |
|
|
2015
Q4 | $69K | Buy |
+4,170
| New | +$64.5K | ﹤0.01% | 3222 |
|
|
2015
Q1 | – | Sell |
-141
| Closed | -$2.38K | – | 5007 |
|
|
2014
Q4 | $2K | Buy |
+141
| New | +$1.82K | ﹤0.01% | 4696 |
|
Other funds holding MGNI
VPM
VCM
N
Group One Trading's MGNI Position: Q1 2026 in Review
Group One Trading increased its Magnite (MGNI) stake by 368% in Q1 2026, buying an estimated $263K and bringing the position to 24,999 shares worth $297K. The position accounts for ﹤0.01% of the portfolio, ranked #3808.
Group One Trading first reported a position in MGNI in Q4 2014 and has held it in 32 quarters since. The position peaked at $8.64M in Q4 2020. 296 funds tracked by Wall St. Rank hold MGNI as of Q1 2026.
- Group One Trading held 24,999 shares of Magnite worth $297K as of Q1 2026.
- Group One Trading bought 19,652 Magnite shares in Q1 2026, an estimated $263K.
- Magnite made up ﹤0.01% of Group One Trading's portfolio in Q1 2026, its #3808 holding.
- Group One Trading first reported a position in Magnite in Q4 2014 and has held it in 32 quarters since.
- Group One Trading's Magnite position peaked at $8.64M in Q4 2020.
- 296 funds tracked by Wall St. Rank held Magnite as of Q1 2026.
Based on Group One Trading's 13F filing for Q1 2026, filed 13 May 2026.