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Boothbay Fund Management’s Magnite MGNI Stock Holding History

Boothbay Fund Management’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
Q2 		$811K Buy
+42,705
New +$612K 0.01% 1226
2026
Q1 		– Sell
-117,842
Closed -$1.91M – 2318
2025
Q4 		$1.91M Buy
117,842
+58,965
+100% +$979K 0.03% 576
2025
Q3 		$1.28M Buy
58,877
+14,528
+33% +$343K 0.02% 732
2025
Q2 		$1.07M Buy
+44,349
New +$653K 0.02% 668
2025
Q1 		– Sell
-30,000
Closed -$478K – 1624
2024
Q4 		$478K Sell
30,000
-70,293
-70% -$1.03M 0.01% 891
2024
Q3 		$1.39M Buy
100,293
+52,658
+111% +$717K 0.03% 647
2024
Q2 		$633K Buy
47,635
+37,106
+352% +$406K 0.02% 915
2024
Q1 		$113K Buy
+10,529
New +$105K ﹤0.01% 1404
2023
Q3 		– Sell
-86,181
Closed -$1.18M – 1946
2023
Q2 		$1.18M Buy
+86,181
New +$959K 0.03% 762
2022
Q4 		– Sell
-13,179
Closed -$87K – 2266
2022
Q3 		$87K Sell
13,179
-10,272
-44% -$82.7K ﹤0.01% 2066
2022
Q2 		$208K Sell
23,451
-154,851
-87% -$1.66M 0.01% 1718
2022
Q1 		$2.35M Buy
178,302
+85,660
+92% +$1.16M 0.05% 510
2021
Q4 		$1.62M Buy
92,642
+58,245
+169% +$1.31M 0.04% 553
2021
Q3 		$963K Buy
34,397
+3,697
+12% +$111K 0.03% 785
2021
Q2 		$1.04M Buy
30,700
+14,400
+88% +$488K 0.03% 665
2021
Q1 		$678K Sell
16,300
-55,347
-77% -$2.4M 0.03% 784
2020
Q4 		$2.2M Sell
71,647
-422,824
-86% -$6.4M 0.08% 242
2020
Q3 		$3.43M Buy
+494,471
New +$3.3M 0.21% 106
2020
Q2 		– Sell
-80,267
Closed -$445K – 1056
2020
Q1 		$445K Buy
+80,267
New +$738K 0.04% 474
2019
Q2 		– Sell
-11,572
Closed -$70K – 828
2019
Q1 		$70K Sell
11,572
-26,192
-69% -$135K 0.01% 677
2018
Q4 		$141K Buy
+37,764
New +$144K 0.02% 521

Other funds holding MGNI

BlackRock
BlackRock New York $6.73T AUM 46.02% 1-Year Est. Return
Vanguard Portfolio Management
Vanguard Portfolio Management Malvern, Pennsylvania $2.22T AUM
Fidelity Investments
Fidelity Investments Boston, Massachusetts $2.3T AUM 54.33% 1-Year Est. Return
Vanguard Capital Management
Vanguard Capital Management Malvern, Pennsylvania $4.68T AUM
Wellington Management Group
Wellington Management Group Boston, Massachusetts $580B AUM 38.23% 1-Year Est. Return
Dimensional Fund Advisors
Dimensional Fund Advisors Austin, Texas $552B AUM 44.19% 1-Year Est. Return
Boston Partners
Boston Partners Boston, Massachusetts $113B AUM 38.87% 1-Year Est. Return
American Century Companies
American Century Companies Kansas City, Missouri $226B AUM 44.75% 1-Year Est. Return
Capital Research Global Investors
Capital Research Global Investors Los Angeles, California $717B AUM 35.42% 1-Year Est. Return
Nuveen
Nuveen Charlotte, North Carolina $419B AUM 43.02% 1-Year Est. Return

Boothbay Fund Management's MGNI Position: Q2 2026 in Review

Boothbay Fund Management opened a new position in Magnite (MGNI) in Q2 2026: 42,705 shares worth $811K. The stake represents 0.01% of the portfolio and ranks #1226 among its holdings. This is a return to the name: Boothbay Fund Management previously reported a position in MGNI as recently as Q4 2025.

Boothbay Fund Management first reported a position in MGNI in Q4 2018 and has held it in 21 quarters since. The position peaked at $3.43M in Q3 2020. 311 funds tracked by Wall St. Rank hold MGNI as of Q2 2026.

  • Boothbay Fund Management held 42,705 shares of Magnite worth $811K as of Q2 2026.
  • Magnite was a new Boothbay Fund Management position in Q2 2026.
  • Magnite made up 0.01% of Boothbay Fund Management's portfolio in Q2 2026, its #1226 holding.
  • Boothbay Fund Management first reported a position in Magnite in Q4 2018 and has held it in 21 quarters since.
  • Boothbay Fund Management's Magnite position peaked at $3.43M in Q3 2020.
  • 311 funds tracked by Wall St. Rank held Magnite as of Q2 2026.

Based on Boothbay Fund Management's 13F filing for Q2 2026, filed 14 Aug 2026.