MagniteMGNI

13F holders, Q3 2024 (September 30)
280holders +11
42new positions
30sold out
5famous investors
$13.83avg. 13F price*

At the end of Q3 2024, 280 institutions reported holding Magnite Inc. (MGNI) in their 13F filings, up 11 from Q2 2024. 42 opened new positions and 30 sold out. The largest holders were Vanguard Group Inc. ($184.9M), BlackRock, Inc. ($136.4M) and Wellington Management Group LLP ($91.1M). 5 famous investors held it, including Paul Tudor Jones (0.1% of Tudor Investment Corporation's portfolio), Mario Gabelli (0.0% of GAMCO Investors's portfolio) and Ken Griffin (0.0% of Citadel Advisors's portfolio).

Company
Magnite Inc.
CUSIP
55955D100
Latest filing quarter
Q2 2026

History

Number of 13F holders

0100200300400 Q1 2024: 231Q1 2024Q2 2024: 269Q2 2024Q3 2024: 280Q3 2024Q4 2024: 286Q4 2024Q1 2025: 293Q1 2025Q2 2025: 286Q2 2025Q3 2025: 316Q3 2025Q4 2025: 304Q4 2025Q1 2026: 297Q1 2026Q2 2026: 311Q2 2026

Total Exit/New Position Q2 2024 → Q3 2024

InstitutionsTotal Value
New Positions42$92.4M
Exits30$20.4M

All 13F filers, Q2 2024 → Q3 2024: 23,793,836 shares bought and 8,215,457 shares sold, net +15,578,379 shares. Counts holders who added, trimmed, opened or closed a position; split-adjusted.

Ownership 280 holders

Vanguard Group Inc. 0.00% Add +3.0% 13,348,072 $184.9M
BlackRock, Inc. 0.00% — 9,848,238 $136.4M
Wellington Management Group LLP 0.02% Add +125.3% 6,579,670 $91.1M
Dimensional Fund Advisors LP 0.02% Reduce -0.7% 5,354,111 $74.2M
Nuveen Asset Management, LLC 0.02% Reduce -0.5% 4,115,862 $57.0M
Granahan Investment Management, LLC 2.18% Reduce -23.5% 4,000,719 $55.4M
FMR LLC 0.00% Reduce -31.6% 3,762,469 $52.1M
Marshall Wace, LLP 0.07% Add +133.7% 3,644,267 $50.5M
Edenbrook Capital, LLC 28.59% Reduce -24.0% 3,495,395 $48.4M
Driehaus Capital Management LLC 0.41% Add +356.9% 3,416,828 $47.3M
Boston Partners 0.05% Add +62.2% 3,419,865 $46.4M
State Street Corp. 0.00% Reduce -2.2% 3,053,604 $42.3M
Geode Capital Management, LLC 0.00% Add +2.2% 2,968,286 $41.1M
Bank of New York Mellon Corp 0.01% Reduce -13.3% 2,864,133 $39.7M
Nine Ten Capital Management LLC 10.97% Add +58.6% 2,621,866 $36.3M
Nomura Asset Management Co. Ltd. 0.07% New 1,726,861 $23.9M
Northern Trust Corp. 0.00% Add +1.4% 1,637,305 $22.7M
Kennedy Capital Management LLC 0.47% Reduce -13.4% 1,527,691 $21.2M
Royce & Associates LP 0.19% Add +5.2% 1,488,301 $20.6M
JPMorgan Chase & Co. 0.00% Reduce -3.4% 1,426,942 $19.8M
Intrinsic Edge Capital Management LLC 2.30% New 1,342,403 $18.6M
Victory Capital Management Inc. 0.02% Add +2.9% 1,340,705 $18.6M
Silvercrest Asset Management Group LLC 0.10% Reduce -0.6% 1,074,989 $14.9M
Penn Capital Management Company, LLC 1.34% Add +13.4% 1,044,297 $14.5M
Meros Investment Management, LP 6.53% Reduce -0.2% 1,042,395 $14.4M
Charles Schwab Investment Management Inc. 0.00% Add +2.6% 1,033,104 $14.3M
Nishkama Capital, LLC 2.14% New 1,004,207 $13.9M
Goldman Sachs Group Inc. 0.00% Add +1.3% 981,963 $13.6M
Granite Investment Partners, LLC 0.55% Add +9.8% 927,885 $12.9M
Harbor Capital Advisors, Inc. 0.55% Add +136.0% 921,531 $12.8M
Nordea Investment Management AB 0.01% Reduce -5.0% 858,499 $12.1M
Grizzlyrock Capital, LLC 10.37% Add +8.1% 868,171 $12.0M
Morgan Stanley 0.00% Add +19.0% 860,631 $11.9M
Squarepoint Ops LLC 0.04% Add +49.5% 850,527 $11.8M
Jane Street Group, LLC 0.02% Add +226.1% 848,204 $11.7M
Ameriprise Financial Inc. 0.00% Add +2.4% 839,236 $11.6M
New York State Common Retirement Fund 0.01% Add +2.3% 771,131 $10.7M
S Squared Technology, LLC 4.19% Add +43.3% 708,577 $9.8M
Citadel Advisors 0.01% Add +142.7% 702,508 $9.7M
Williams Jones Wealth Management, LLC. 0.11% Reduce -2.9% 674,521 $9.3M
J. Goldman & Co LP 0.41% New 673,729 $9.3M
Kopion Asset Management, LLC 6.49% Reduce -20.6% 650,419 $9.0M
Frontier Capital Management Co. LLC 0.08% Reduce -0.8% 647,795 $9.0M
Qube Research & Technologies Ltd 0.02% Add +1342.9% 641,232 $8.9M
Russell Investments Group, Ltd. 0.01% Add +16.3% 574,551 $8.0M
Bank of America Corp. 0.00% Add +10.8% 558,727 $7.7M
King Luther Capital Management Corp. 0.03% Reduce -1.1% 521,842 $7.2M
Dana Investment Advisors, Inc. 0.22% Reduce -0.8% 489,464 $6.8M
Balyasny Asset Management L.P. 0.02% Add +2115.2% 469,077 $6.5M
Advantage Alpha Capital Partners LP 1.43% Reduce -0.0% 454,557 $6.3M
Norges Bank 0.00% Reduce -21.3% 450,671 $6.2M
Manatuck Hill Partners, LLC 2.32% No change 442,491 $6.1M
Assenagon Asset Management S.A. 0.01% Add +187.7% 409,340 $5.7M
Stephens Investment Management Group LLC 0.08% New 403,791 $5.6M
Parallax Volatility Advisers, L.P. 0.15% Reduce -33.5% 359,975 $5.0M
UBS AM, a distinct business unit of UBS ASSET MANAGEMENT AMERICAS LLC 0.00% Add +3.3% 343,961 $4.8M
Tudor Investment Corporation 0.05% Add +9.2% 335,436 $4.6M
1492 Capital Management LLC 2.30% Add +2.7% 330,433 $4.6M
P.A.W. Capital Corp. 9.99% Reduce -8.6% 320,000 $4.4M
Scout Investments, Inc. 0.11% Reduce -13.9% 348,946 $4.3M
American Century Companies Inc. 0.00% Add +18.2% 292,431 $4.1M
Gsa Capital Partners LLP 0.28% Reduce -8.8% 264,104 $3.7M
Susquehanna International Group, LLP 0.01% New 261,805 $3.6M
Voya Investment Management LLC 0.00% Add +493.8% 261,394 $3.6M
Swiss National Bank 0.00% Reduce -0.7% 246,100 $3.4M
UBS Group AG 0.00% Add +5.9% 243,030 $3.4M
Wells Fargo & Company 0.00% Add +107.9% 233,064 $3.2M
Citigroup Inc. 0.00% Add +45.3% 229,955 $3.2M
First Trust Advisors LP 0.00% Reduce -27.4% 220,322 $3.1M
Envestnet Asset Management Inc. 0.00% Reduce -1.1% 211,302 $2.9M
Barclays PLC 0.00% Add +352.9% 210,598 $2.9M
Panagora Asset Management Inc. 0.01% Reduce -0.6% 206,370 $2.9M
Invesco Ltd. 0.00% Add +1.4% 201,315 $2.8M
Oberweis Asset Management Inc./ 0.14% No change 200,000 $2.8M
Calamos Advisors LLC 0.02% Add +23.9% 190,980 $2.6M
Rhumbline Advisers 0.00% Reduce -6.2% 189,684 $2.6M
Clough Capital Partners L P 0.25% Add +18.9% 173,478 $2.4M
Millrace Asset Group, Inc. 2.33% Reduce -22.6% 165,330 $2.3M
Algert Global LLC 0.06% Add +11.9% 159,075 $2.2M
Hilton Capital Management, LLC 0.17% Reduce -3.0% 155,907 $2.2M
Millennium Management 0.00% Add +351.5% 152,229 $2.1M
Royal Bank of Canada 0.00% Add +133.5% 149,153 $2.1M
Connor, Clark & Lunn Investment Management Ltd. 0.01% New 149,107 $2.1M
Perkins Capital Management Inc. 1.94% No change 149,075 $2.1M
Concentric Capital Strategies, LP 0.13% New 147,184 $2.0M
Lisanti Capital Growth, LLC 0.51% Reduce -48.2% 146,450 $2.0M
Jacobs Levy Equity Management, Inc. 0.01% Add +1271.0% 145,577 $2.0M
Thrivent Financial for Lutherans 0.00% No change 144,477 $2.0M
Bank of Montreal 0.00% New 138,399 $1.9M
Alliancebernstein L.P. 0.00% Reduce -0.0% 136,645 $1.9M
Tidal Investments LLC 0.02% Add +22.2% 130,580 $1.8M
Franklin Resources Inc. 0.00% Add +99.7% 144,563 $1.8M
Commonwealth Equity Services, LLC 0.00% Add +58.0% 128,873 $1.8M
Legal & General Group Plc 0.00% Add +2.6% 128,048 $1.8M
Wedge Capital Management L L P 0.03% Add +29.6% 123,138 $1.7M
California State Teachers Retirement System 0.00% Reduce -3.0% 119,214 $1.7M
Advisory Services Network, LLC 0.03% No change 117,321 $1.6M
Principal Financial Group Inc. 0.00% Add +552.2% 107,515 $1.5M
Group One Trading LLC 0.06% New 105,485 $1.5M
Cerity Partners LLC 0.00% Reduce -0.7% 103,366 $1.4M

"% of holder's portfolio" is MGNI's weight in each manager's 13F, not the share of Magnite Inc. the manager owns.

Show all 280 holders