Walleye 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
$3.55M Buy
299,200
+133,600
+81% +$1.79M 0.01% 1354
2025
Q4
$2.69M Buy
165,600
+90,400
+120% +$1.5M ﹤0.01% 1705
2025
Q3
$1.64M Buy
75,200
+64,800
+623% +$1.53M ﹤0.01% 1940
2025
Q2
$251K Buy
10,400
+2,000
+24% +$29.5K ﹤0.01% 3103
2025
Q1
$95.8K Buy
8,400
+1,300
+18% +$20.7K ﹤0.01% 3406
2024
Q4
$113K Buy
7,100
+400
+6% +$5.87K ﹤0.01% 3503
2024
Q3
$92.8K Sell
6,700
-11,200
-63% -$153K ﹤0.01% 3340
2024
Q2
$238K Sell
17,900
-1,200
-6% -$13.1K ﹤0.01% 2987
2024
Q1
$205K Buy
19,100
+18,900
+9,450% +$189K ﹤0.01% 3408
2023
Q4
$1.87K Sell
200
-7,100
-97% -$56.1K ﹤0.01% 4835
2023
Q3
$55K Sell
7,300
-42,700
-85% -$460K ﹤0.01% 4185
2023
Q2
$683K Sell
50,000
-1,500
-3% -$16.7K ﹤0.01% 2498
2023
Q1
$477K Buy
51,500
+50,100
+3,579% +$534K ﹤0.01% 2842
2022
Q4
$14.8K Sell
1,400
-5,600
-80% -$51.1K ﹤0.01% 4410
2022
Q3
$46K Buy
7,000
+100
+1% +$805 ﹤0.01% 4262
2022
Q2
$61K Sell
6,900
-47,200
-87% -$506K ﹤0.01% 4265
2022
Q1
$715K Sell
54,100
-72,800
-57% -$982K ﹤0.01% 2533
2021
Q4
$2.22M Buy
126,900
+119,100
+1,527% +$2.68M 0.01% 1543
2021
Q3
$218K Sell
7,800
-12,000
-61% -$361K ﹤0.01% 3766
2021
Q2
$670K Buy
19,800
+14,900
+304% +$505K ﹤0.01% 2568
2021
Q1
$204K Sell
4,900
-131,700
-96% -$5.71M ﹤0.01% 3589
2020
Q4
$4.2M Buy
+136,600
New +$2.07M 0.02% 846
2020
Q2
Sell
-300
Closed -$2K 4466
2020
Q1
$2K Buy
+300
New +$2.76K ﹤0.01% 3840
2018
Q2
Sell
-45,000
Closed -$81K 4765
2018
Q1
$81K Hold
45,000
﹤0.01% 3989
2017
Q4
$84 Buy
+45,000
New +$112K ﹤0.01% 3888
2017
Q2
Sell
-1,500
Closed -$9 4770
2017
Q1
$9 Hold
1,500
﹤0.01% 4358
2016
Q4
$11K Sell
1,500
-4,500
-75% -$35.1K ﹤0.01% 4282
2016
Q3
$50K Buy
6,000
+5,300
+757% +$56.3K ﹤0.01% 3760
2016
Q2
$10K Sell
700
-12,900
-95% -$208K ﹤0.01% 4818
2016
Q1
$249K Buy
13,600
+8,100
+147% +$124K ﹤0.01% 2599
2015
Q4
$90K Buy
+5,500
New +$85.1K ﹤0.01% 3387

Other funds holding MGNI

Walleye Trading's MGNI Position: Q1 2026 in Review

Walleye Trading increased its Magnite (MGNI) stake by 239% in Q1 2026, buying an estimated $1.7M and bringing the position to 179,394 shares worth $2.13M. The position accounts for ﹤0.01% of the portfolio, ranked #1665.

Walleye Trading first reported a position in MGNI in Q4 2014 and has held it in 30 quarters since. The position peaked at $2.85M in Q4 2020. 296 funds tracked by Wall St. Rank hold MGNI as of Q1 2026.

  • Walleye Trading held 179,394 shares of Magnite worth $2.13M as of Q1 2026.
  • Walleye Trading bought 126,527 Magnite shares in Q1 2026, an estimated $1.7M.
  • Magnite made up ﹤0.01% of Walleye Trading's portfolio in Q1 2026, its #1665 holding.
  • Walleye Trading first reported a position in Magnite in Q4 2014 and has held it in 30 quarters since.
  • Walleye Trading's Magnite position peaked at $2.85M in Q4 2020.
  • 296 funds tracked by Wall St. Rank held Magnite as of Q1 2026.

Based on Walleye Trading's 13F filing for Q1 2026, filed 11 May 2026.