MGNI MAGNITE, INC.: institutional ownership and insider trading
344 funds reported holding $3.18B of MAGNITE, INC. in their latest 13F filings; in Q2 2026 funds net bought $228M, with 51 new positions and 35 funds selling out; over the last 12 months insiders bought $0 and sold $26.9M on the open market; over its last four quarters it reported revenue of $742M and net income of $167M.
MGNI revenue and earnings
- Quarter ended Jun 30, 2026: revenue $193M, net income $19.4M, EPS 0.13
- Quarter ended Mar 31, 2026: revenue $164M, net income $4.41M, EPS 0.03
- Quarter ended Dec 31, 2025: revenue $205M, net income $123M, EPS 0.81
- Quarter ended Sep 30, 2025: revenue $179M, net income $20.1M, EPS 0.13
Famous investors holding MGNI
- Izzy Englander (Millennium Management): $14.5M, 0.0% of the portfolio
- Ken Griffin (Citadel Advisors): $37.6M, 0.0% of the portfolio
- Two Sigma (Two Sigma Investments): $810K, 0.0% of the portfolio
- D. E. Shaw (D. E. Shaw & Co.): $678K, 0.0% of the portfolio
Largest institutional holders of MGNI
- BlackRock, Inc. (BLK) — $241M
- VANGUARD GROUP INC — $240M
- VANGUARD PORTFOLIO MANAGEMENT LLC — $156M
- FMR LLC — $147M
- VANGUARD CAPITAL MANAGEMENT LLC — $118M
- WELLINGTON MANAGEMENT GROUP LLP — $115M
- DIMENSIONAL FUND ADVISORS LP — $99.8M
- Boston Partners — $95.9M
- AMERICAN CENTURY COMPANIES INC — $87.7M
- Capital Research Global Investors — $73.4M
Recent MGNI insider trades
- Oct 12, 2026: Caine Paul sold 12,500 shares ($316K)
- Sep 17, 2026: Knopper Douglas S sold 37,337 shares ($981K)
- Sep 17, 2026: Caine Paul sold 7,500 shares ($199K)
- Sep 14, 2026: Spillane Robert F sold 10,363 shares ($246K)
5%+ owners
- Vanguard Portfolio Management: 5.4% (Schedule 13G, filed Apr 29, 2026)
- FMR LLC: 5.4% (Schedule 13G, filed Aug 6, 2026)
- Vanguard Capital Management: 5.0% (Schedule 13G, filed Apr 30, 2026)
Who owns the most MGNI stock?
The largest institutional holders of MAGNITE, INC. in the latest 13F filings are BlackRock, Inc. (BLK) ($241M), VANGUARD GROUP INC ($240M), VANGUARD PORTFOLIO MANAGEMENT LLC ($156M).
Are insiders buying or selling MGNI?
Over the last 12 months insiders bought $0 and sold $26.9M of MAGNITE, INC. stock on the open market (SEC Form 4).
Which famous investors own MGNI?
Izzy Englander, Ken Griffin, Two Sigma, D. E. Shaw.
What was MGNI's revenue last quarter?
MAGNITE, INC. reported revenue of $193M for the quarter ended June 30, 2026, with net income of $19.4M.
Which ETFs hold MGNI?
50 ETFs and mutual funds hold it among their top 100 positions, including ANOAX, FBMPX, TCSEX, OBMCX.