Tower Research Capital (TRC)’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
$116K Buy
9,760
+2,688
+38% +$36K ﹤0.01% 2068
2025
Q4
$115K Sell
7,072
-3,682
-34% -$61.1K ﹤0.01% 1850
2025
Q3
$234K Sell
10,754
-4,311
-29% -$102K 0.01% 1350
2025
Q2
$363K Buy
15,065
+11,943
+383% +$176K 0.01% 1254
2025
Q1
$35.1K Sell
3,122
-2,783
-47% -$44.4K ﹤0.01% 2491
2024
Q4
$94K Sell
5,905
-782
-12% -$11.5K ﹤0.01% 2177
2024
Q3
$92.6K Sell
6,687
-15,639
-70% -$213K ﹤0.01% 2297
2024
Q2
$297K Buy
22,326
+20,415
+1,068% +$223K 0.01% 1775
2024
Q1
$20.5K Sell
1,911
-23,741
-93% -$237K ﹤0.01% 2978
2023
Q4
$240K Buy
25,652
+20,621
+410% +$163K ﹤0.01% 1949
2023
Q3
$37.9K Sell
5,031
-793
-14% -$8.55K ﹤0.01% 2805
2023
Q2
$79.5K Sell
5,824
-1,159
-17% -$12.9K ﹤0.01% 2220
2023
Q1
$65K Buy
6,983
+6,285
+900% +$67K ﹤0.01% 2268
2022
Q4
$7K Sell
698
-9,729
-93% -$88.8K ﹤0.01% 4587
2022
Q3
$69K Sell
10,427
-14,454
-58% -$116K ﹤0.01% 2876
2022
Q2
$221K Buy
24,881
+7,491
+43% +$80.3K 0.01% 1689
2022
Q1
$229K Buy
17,390
+3,704
+27% +$50K ﹤0.01% 1633
2021
Q4
$239K Buy
13,686
+5,997
+78% +$135K ﹤0.01% 1624
2021
Q3
$216K Buy
7,689
+4,785
+165% +$144K 0.01% 1753
2021
Q2
$99K Sell
2,904
-22,061
-88% -$747K ﹤0.01% 2436
2021
Q1
$1.04M Buy
24,965
+11,568
+86% +$501K 0.02% 766
2020
Q4
$411K Sell
13,397
-56,404
-81% -$854K 0.01% 1147
2020
Q3
$485K Buy
69,801
+60,016
+613% +$401K 0.01% 1714
2020
Q2
$65K Sell
9,785
-2,201
-18% -$13.8K ﹤0.01% 2844
2020
Q1
$67K Buy
+11,986
New +$110K ﹤0.01% 1156
2019
Q4
Sell
-3,329
Closed -$29K 4049
2019
Q3
$29K Sell
3,329
-3,057
-48% -$26.8K ﹤0.01% 2213
2019
Q2
$41K Sell
6,386
-1,287
-17% -$7.9K ﹤0.01% 1726
2019
Q1
$46K Buy
7,673
+1,161
+18% +$5.98K ﹤0.01% 1808
2018
Q4
$24K Buy
6,512
+3,814
+141% +$14.6K ﹤0.01% 1795
2018
Q3
$10K Sell
2,698
-19,460
-88% -$68.8K ﹤0.01% 2765
2018
Q2
$63K Buy
22,158
+7,168
+48% +$17.1K ﹤0.01% 1714
2018
Q1
$27K Buy
14,990
+13,530
+927% +$25.6K ﹤0.01% 2016
2017
Q4
$3K Sell
1,460
-7,753
-84% -$19.4K ﹤0.01% 3091
2017
Q3
$36K Buy
9,213
+6,977
+312% +$29.7K ﹤0.01% 2271
2017
Q2
$11K Buy
+2,236
New +$12.3K ﹤0.01% 1568
2017
Q1
Sell
-2,677
Closed -$20K 3577
2016
Q4
$20K Buy
2,677
+2,377
+792% +$18.5K ﹤0.01% 2142
2016
Q3
$2K Sell
300
-2,406
-89% -$25.6K ﹤0.01% 3099
2016
Q2
$37K Sell
2,706
-1,140
-30% -$18.3K ﹤0.01% 1765
2016
Q1
$70K Buy
3,846
+3,336
+654% +$51.1K 0.01% 620
2015
Q4
$8K Buy
510
+110
+28% +$1.7K ﹤0.01% 2425
2015
Q3
$6K Sell
400
-588
-60% -$8.97K ﹤0.01% 2668
2015
Q2
$15K Sell
988
-1,656
-63% -$28.5K ﹤0.01% 2349
2015
Q1
$47K Buy
2,644
+2,138
+423% +$36K 0.01% 1517
2014
Q4
$9K Buy
+506
New +$6.53K ﹤0.01% 2238
2014
Q3
Sell
-9,775
Closed -$125K 4699
2014
Q2
$125K Buy
+9,775
New +$147K 0.02% 788

Other funds holding MGNI

Tower Research Capital (TRC)'s MGNI Position: Q1 2026 in Review

Tower Research Capital (TRC) increased its Magnite (MGNI) stake by 38% in Q1 2026, buying an estimated $36K and bringing the position to 9,760 shares worth $116K. The position accounts for ﹤0.01% of the portfolio, ranked #2068.

Tower Research Capital (TRC) first reported a position in MGNI in Q2 2014 and has held it in 45 quarters since. The position peaked at $1.04M in Q1 2021. 296 funds tracked by Wall St. Rank hold MGNI as of Q1 2026.

  • Tower Research Capital (TRC) held 9,760 shares of Magnite worth $116K as of Q1 2026.
  • Tower Research Capital (TRC) bought 2,688 Magnite shares in Q1 2026, an estimated $36K.
  • Magnite made up ﹤0.01% of Tower Research Capital (TRC)'s portfolio in Q1 2026, its #2068 holding.
  • Tower Research Capital (TRC) first reported a position in Magnite in Q2 2014 and has held it in 45 quarters since.
  • Tower Research Capital (TRC)'s Magnite position peaked at $1.04M in Q1 2021.
  • 296 funds tracked by Wall St. Rank held Magnite as of Q1 2026.

Based on Tower Research Capital (TRC)'s 13F filing for Q1 2026, filed 15 May 2026.