Squarepoint’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
$3.58M Buy
300,934
+255,496
+562% +$3.43M ﹤0.01% 1751
2025
Q4
$737K Sell
45,438
-121,031
-73% -$2.01M ﹤0.01% 2873
2025
Q3
$3.63M Buy
+166,469
New +$3.93M ﹤0.01% 1654
2025
Q2
Sell
-123,786
Closed -$1.82M 4834
2025
Q1
$1.41M Sell
123,786
-189,025
-60% -$3.01M ﹤0.01% 2355
2024
Q4
$4.98M Sell
312,811
-537,716
-63% -$7.89M ﹤0.01% 1632
2024
Q3
$11.8M Buy
850,527
+281,816
+50% +$3.84M 0.02% 873
2024
Q2
$7.56M Buy
568,711
+426,095
+299% +$4.66M 0.01% 1101
2024
Q1
$1.53M Buy
142,616
+52,102
+58% +$521K ﹤0.01% 2277
2023
Q4
$845K Sell
90,514
-124,118
-58% -$981K ﹤0.01% 2639
2023
Q3
$1.62M Sell
214,632
-46,648
-18% -$503K ﹤0.01% 1977
2023
Q2
$3.57M Buy
+261,280
New +$2.91M 0.01% 1276
2021
Q1
Sell
-13,443
Closed -$413K 3422
2020
Q4
$413K Sell
13,443
-358,121
-96% -$5.42M ﹤0.01% 1952
2020
Q3
$2.58M Buy
+371,564
New +$2.48M 0.03% 551
2020
Q2
Sell
-16,649
Closed -$92K 2403
2020
Q1
$92K Sell
16,649
-118,503
-88% -$1.09M ﹤0.01% 1656
2019
Q4
$1.1M Sell
135,152
-204,255
-60% -$1.68M 0.01% 1276
2019
Q3
$2.96M Buy
339,407
+119,707
+54% +$1.05M 0.03% 668
2019
Q2
$1.4M Buy
219,700
+103,164
+89% +$634K 0.01% 1059
2019
Q1
$709K Buy
+116,536
New +$600K 0.01% 1285
2018
Q4
Sell
-54,949
Closed -$198K 2126
2018
Q3
$198K Buy
54,949
+39,659
+259% +$140K ﹤0.01% 1776
2018
Q2
$44K Buy
+15,290
New +$36.4K ﹤0.01% 1695
2018
Q1
Sell
-21,964
Closed -$41K 1953
2017
Q4
$41K Buy
+21,964
New +$54.9K ﹤0.01% 2025
2017
Q2
Sell
-25,507
Closed -$150K 1698
2017
Q1
$150K Sell
25,507
-5,429
-18% -$42.3K ﹤0.01% 1348
2016
Q4
$230K Buy
30,936
+20,436
+195% +$159K 0.01% 1328
2016
Q3
$87K Buy
+10,500
New +$112K 0.01% 960

Other funds holding MGNI

Squarepoint's MGNI Position: Q1 2026 in Review

Squarepoint increased its Magnite (MGNI) stake by 562% in Q1 2026, buying an estimated $3.43M and bringing the position to 300,934 shares worth $3.58M. The position accounts for ﹤0.01% of the portfolio, ranked #1751.

Squarepoint first reported a position in MGNI in Q3 2016 and has held it in 24 quarters since. The position peaked at $11.8M in Q3 2024. 297 funds tracked by Wall St. Rank hold MGNI as of Q1 2026.

  • Squarepoint held 300,934 shares of Magnite worth $3.58M as of Q1 2026.
  • Squarepoint bought 255,496 Magnite shares in Q1 2026, an estimated $3.43M.
  • Magnite made up ﹤0.01% of Squarepoint's portfolio in Q1 2026, its #1751 holding.
  • Squarepoint first reported a position in Magnite in Q3 2016 and has held it in 24 quarters since.
  • Squarepoint's Magnite position peaked at $11.8M in Q3 2024.
  • 297 funds tracked by Wall St. Rank held Magnite as of Q1 2026.

Based on Squarepoint's 13F filing for Q1 2026, filed 15 May 2026.