MHP
MGNI icon

Manatuck Hill Partners’s Magnite MGNI Stock Holding History

Manatuck Hill Partners’s Portfolio MGNI Stock Details MGNI Fund Activity
Bought
Maintained
Sold
Quarter Market Value Status Shares Change in
Stake 		Trade Value Portfolio Weight Portfolio Position
2026
Q1 		$3.68M Sell
310,000
-40,000
-11% -$536K 0.99% 31
2025
Q4 		$5.68M Buy
350,000
+709
+0.2% +$11.8K 1.99% 17
2025
Q3 		$7.61M Buy
349,291
+40,800
+13% +$963K 2.52% 8
2025
Q2 		$7.44M Buy
308,491
+196,000
+174% +$2.89M 2.8% 4
2025
Q1 		$1.28M Sell
112,491
-29,100
-21% -$464K 0.59% 54
2024
Q4 		$2.25M Sell
141,591
-300,900
-68% -$4.41M 0.92% 32
2024
Q3 		$6.13M Hold
442,491
– – 2.25% 13
2024
Q2 		$5.88M Buy
442,491
+330,000
+293% +$3.61M 2.45% 11
2024
Q1 		$1.21M Sell
112,491
-420,800
-79% -$4.2M 0.53% 55
2023
Q4 		$4.98M Buy
533,291
+420,800
+374% +$3.32M 2.1% 15
2023
Q3 		$848K Sell
112,491
-51,009
-31% -$550K 0.38% 69
2023
Q2 		$2.23M Hold
163,500
– – 1.06% 33
2023
Q1 		$1.51M Sell
163,500
-224,000
-58% -$2.39M 0.77% 34
2022
Q4 		$4.1M Buy
387,500
+275,009
+244% +$2.51M 1.94% 17
2022
Q3 		$739K Sell
112,491
-425,700
-79% -$3.43M 0.38% 54
2022
Q2 		$4.78M Buy
538,191
+147,300
+38% +$1.58M 2.39% 11
2022
Q1 		$5.16M Buy
390,891
+266,933
+215% +$3.6M 2.01% 17
2021
Q4 		$2.17M Sell
123,958
-216,400
-64% -$4.88M 0.82% 38
2021
Q3 		$9.53M Sell
340,358
-32,600
-9% -$981K 3.33% 6
2021
Q2 		$12.6M Buy
372,958
+199,500
+115% +$6.76M 3.82% 3
2021
Q1 		$7.22M Sell
173,458
-89,000
-34% -$3.86M 2.44% 12
2020
Q4 		$8.06M Sell
262,458
-1,222,100
-82% -$18.5M 3.23% 8
2020
Q3 		$10.3M Buy
1,484,558
+880,900
+146% +$5.89M 4.74% 5
2020
Q2 		$4.03M Buy
603,658
+407,058
+207% +$2.54M 2.32% 15
2020
Q1 		$1.09M Sell
196,600
-548,000
-74% -$5.04M 1% 25
2019
Q4 		$6.08M Buy
744,600
+51,100
+7% +$420K 3.16% 9
2019
Q3 		$6.04M Buy
693,500
+100,000
+17% +$877K 3.32% 9
2019
Q2 		$3.77M Buy
593,500
+255,200
+75% +$1.57M 1.76% 20
2019
Q1 		$2.06M Sell
338,300
-79,600
-19% -$410K 0.98% 32
2018
Q4 		$1.56M Buy
+417,900
New +$1.6M 0.8% 45

Other funds holding MGNI

BlackRock
BlackRock New York $5.72T AUM 30.48% 1-Year Est. Return
Wellington Management Group
Wellington Management Group Boston, Massachusetts $535B AUM 26.23% 1-Year Est. Return
VPM
Vanguard Portfolio Management Malvern, Pennsylvania $1.91T AUM
VCM
Vanguard Capital Management Malvern, Pennsylvania $4.04T AUM
Capital Research Global Investors
Capital Research Global Investors Los Angeles, California $645B AUM 30.41% 1-Year Est. Return
Boston Partners
Boston Partners Boston, Massachusetts $95.5B AUM 28.4% 1-Year Est. Return
American Century Companies
American Century Companies Kansas City, Missouri $194B AUM 35% 1-Year Est. Return
Fidelity Investments
Fidelity Investments Boston, Massachusetts $1.9T AUM 41.92% 1-Year Est. Return
Dimensional Fund Advisors
Dimensional Fund Advisors Austin, Texas $481B AUM 30.42% 1-Year Est. Return
N
Nuveen Charlotte, North Carolina $369B AUM 31.66% 1-Year Est. Return

Manatuck Hill Partners's MGNI Position: Q1 2026 in Review

Manatuck Hill Partners reduced its Magnite (MGNI) stake by 11% in Q1 2026, selling an estimated $536K and leaving 310,000 shares worth $3.68M. The position accounts for 0.99% of the portfolio, ranked #31.

Manatuck Hill Partners first reported a position in MGNI in Q4 2018 and has held it in 30 quarters since. The position peaked at $12.6M in Q2 2021. 297 funds tracked by Wall St. Rank hold MGNI as of Q1 2026.

  • Manatuck Hill Partners held 310,000 shares of Magnite worth $3.68M as of Q1 2026.
  • Manatuck Hill Partners sold 40,000 Magnite shares in Q1 2026, an estimated $536K.
  • Magnite made up 0.99% of Manatuck Hill Partners's portfolio in Q1 2026, its #31 holding.
  • Manatuck Hill Partners first reported a position in Magnite in Q4 2018 and has held it in 30 quarters since.
  • Manatuck Hill Partners's Magnite position peaked at $12.6M in Q2 2021.
  • 297 funds tracked by Wall St. Rank held Magnite as of Q1 2026.

Based on Manatuck Hill Partners's 13F filing for Q1 2026, filed 15 May 2026.