Magnite, Inc.
MGNI- Exchange
- Nasdaq
- Industry
- Services-Computer Programming, Data Processing, Etc.
- SEC CIK
- 0001595974
In the last 90 days, Magnite, Inc. insiders filed 0 open-market purchases and 26 sales; 311 institutions reported holding it in 13F filings for Q2 2026, worth $2.69B in total; no superinvestor holds it.
13F holders, Q2 2026
Institutional positions in Magnite, Inc. as of Jun 30, 2026. Investment managers with $100 million or more in US stocks report their long positions on Form 13F within 45 days after each quarter ends. How 13F works
- Institutional holders
- 311
- +18 vs. Q1 2026
- Shares held
- 141.9M
- +10.4M (+7.9%) vs. Q1 2026
- Total value
- $2.69B
- +$1.13B (+72.2%) vs. Q1 2026
- New holders
- 55
- 116 more added
- Sold out
- 37
- 90 more reduced
4 institutions that held it in Q1 2026 haven't filed for Q2 2026 yet. Not filing isn't selling, so they aren't counted as sold out or in the changes above.
Compare with Q1 2026: new holders, sold out and not filed yet
Holders and value by quarter
Institutions reporting MGNI on Form 13F each quarter since Q1 2021, and the total value they reported. Values are as of each quarter end, so they also move with the share price.
| Quarter | Holders | Value |
|---|---|---|
| Q2 2026 | 311 | $2.69B |
| Q1 2026 | 297 | $1.56B |
| Q4 2025 | 304 | $2.22B |
| Q3 2025 | 316 | $3.00B |
| Q2 2025 | 287 | $3.54B |
| Q1 2025 | 293 | $1.52B |
| Q4 2024 | 286 | $1.97B |
| Q3 2024 | 280 | $1.65B |
| Q2 2024 | 269 | $1.39B |
| Q1 2024 | 232 | $1.10B |
| Q4 2023 | 217 | $959.0M |
| Q3 2023 | 215 | $780.6M |
| Q2 2023 | 224 | $1.39B |
| Q1 2023 | 224 | $892.4M |
| Q4 2022 | 231 | $988.1M |
| Q3 2022 | 218 | $679.0M |
| Q2 2022 | 231 | $781.6M |
| Q1 2022 | 231 | $1.17B |
| Q4 2021 | 248 | $1.57B |
| Q3 2021 | 279 | $2.52B |
| Q2 2021 | 268 | $2.89B |
| Q1 2021 | 280 | $3.59B |
Institutions, Q2 2026
Shares, value and share of portfolio for each institution holding Magnite, Inc.; share changes are against Q1 2026.
| Institution | Shares | Value | % of portfolio | Change in shares | Action |
|---|---|---|---|---|---|
| Ledgewood Wealth Advisors, LLC | 12,577 | $238.7K | 0.13% | 00.0% | Unchanged |
| Neuberger Berman Group LLC | 12,916 | $245.1K | 0.00% | +12,916 | New |
| HCR Wealth Advisors | 13,000 | $246.7K | 0.02% | 00.0% | Unchanged |
| Prelude Capital Management, LLC | 13,073 | $248.1K | 0.02% | −4,816−26.9% | Reduced |
| Ameritas Investment Partners, Inc. | 13,107 | $248.8K | 0.01% | +1,407+12.0% | Added |
| Ensign Peak Advisors, Inc | 13,658 | $259.2K | 0.00% | 00.0% | Unchanged |
| GWN Securities Inc. | 14,206 | $269.6K | 0.05% | −115−0.8% | Reduced |
| Woodmont Investment Counsel LLC | 14,250 | $270.5K | 0.01% | 00.0% | Unchanged |
| Xponance, Inc. | 14,274 | $270.9K | 0.00% | +788+5.8% | Added |
| Winthrop Advisory Group LLC | 14,520 | $275.6K | 0.02% | 00.0% | Unchanged |
| Pinnacle Wealth Management Advisory Group, LLC | 14,863 | $282.1K | 0.02% | −7,714−34.2% | Reduced |
| Public Employees Retirement Association of Colorado | 14,986 | $284.0K | 0.00% | 00.0% | Unchanged |
| Great West Life Assurance Co | 15,140 | $287.0K | 0.00% | 00.0% | Unchanged |
| Wealth Enhancement Advisory Services, LLC | 14,161 | $288.0K | 0.00% | +14,161 | New |
| Northwestern Mutual Wealth Management Co | 15,245 | $289.4K | 0.00% | +12,245+408.2% | Added |
| Avenir Corp | 16,715 | $317.3K | 0.04% | −1,000−5.6% | Reduced |
| Parallax Volatility Advisers, L.P. | 16,743 | $317.8K | 0.01% | +3,610+27.5% | Added |
| Elevatus Welath Management | 16,759 | $318.1K | 0.08% | +16,759 | New |
| B. Riley Financial, Inc. | 16,778 | $318.4K | 0.07% | +16,778 | New |
| Mirabella Financial Services LLP | 18,287 | $347.1K | 0.03% | −2,998−14.1% | Reduced |
| ProShare Advisors LLC | 18,909 | $358.9K | 0.00% | −1,719−8.3% | Reduced |
| Mangrove Partners | 19,086 | $362.3K | 0.02% | +19,086 | New |
| Quadrature Capital Ltd | 19,145 | $363.4K | 0.00% | +19,145 | New |
| Legacy Advisors, LLC | 19,967 | $379.0K | 0.04% | +19,967 | New |
| Verdence Capital Advisors LLC | 20,106 | $381.6K | 0.02% | −785−3.8% | Reduced |
| Two Sigma Securities, LLC | 21,097 | $400.4K | 0.03% | +9,066+75.4% | Added |
| Captrust Financial Advisors | 21,151 | $401.4K | 0.00% | +2,493+13.4% | Added |
| Amundi | 21,157 | $401.6K | 0.00% | −1,660−7.3% | Reduced |
| Lighthouse Investment Partners, LLC | 21,980 | $417.2K | 0.01% | +21,980 | New |
| State of Wyoming | 22,273 | $422.7K | 0.04% | +22,273 | New |
| Mount Yale Investment Advisors, LLC | 24,149 | $458.3K | 0.01% | +501+2.1% | Added |
| Prudential Financial Inc | 24,162 | $458.6K | 0.00% | +1,710+7.6% | Added |
| Acadian Asset Management LLC | 24,288 | $459.0K | 0.00% | +20,602+558.9% | Added |
| Steward Partners Investment Advisory, LLC | 24,705 | $468.9K | 0.00% | +24,665+61,662.5% | Added |
| Universal- Beteiligungs- und Servicegesellschaft mbH | 24,829 | $471.3K | 0.00% | +1,134+4.8% | Added |
| CI Private Wealth, LLC | 25,326 | $480.7K | 0.00% | +25,326 | New |
| Pictet Asset Management Holding SA | 25,755 | $488.8K | 0.00% | 00.0% | Unchanged |
| Linden Thomas Advisory Services, LLC | 26,206 | $497.4K | 0.04% | −215−0.8% | Reduced |
| SG Americas Securities, LLC | 26,567 | $504.0K | 0.00% | −30,670−53.6% | Reduced |
| Jupiter Asset Management Ltd | 26,657 | $505.9K | 0.00% | −42,784−61.6% | Reduced |
| Fox Run Management, L.L.C. | 26,666 | $506.1K | 0.08% | −61,437−69.7% | Reduced |
| Mercer Global Advisors Inc | 28,374 | $538.5K | 0.00% | +9,916+53.7% | Added |
| Neo Ivy Capital Management | 29,172 | $553.7K | 0.13% | +29,172 | New |
| Ronald Blue Trust, Inc. | 29,638 | $562.5K | 0.01% | +565+1.9% | Added |
| State of Alaska, Department of Revenue | 30,334 | $575.0K | 0.01% | 00.0% | Unchanged |
| Buckland Partners Management Co LLC | 31,446 | $596.8K | 0.29% | 00.0% | Unchanged |
| KLP Kapitalforvaltning AS | 32,400 | $615.0K | 0.00% | 00.0% | Unchanged |
| Fulton Bank, N.A. | 33,041 | $627.1K | 0.02% | +2,301+7.5% | Added |
| IMC-Chicago, LLC | 33,508 | $636.0K | 0.01% | +5,734+20.6% | Added |
| Intech Investment Management LLC | 33,542 | $636.6K | 0.01% | −3,857−10.3% | Reduced |
| Greenwood Capital Associates LLC | 34,891 | $662.2K | 0.06% | −1,913−5.2% | Reduced |
| Jackson Creek Investment Advisors LLC | 34,494 | $666.0K | 0.22% | −177−0.5% | Reduced |
| Vanguard Investments Australia, Ltd. | 35,321 | $670.4K | 0.00% | 00.0% | Unchanged |
| D. E. Shaw & Co., Inc. | 35,719 | $677.9K | 0.00% | +35,719 | New |
| Brown Advisory Inc | 36,314 | $689.2K | 0.00% | +4,790+15.2% | Added |
| Arizona State Retirement System | 39,834 | $756.0K | 0.00% | +378+1.0% | Added |
| Jain Global LLC | 40,506 | $768.8K | 0.01% | +40,506 | New |
| Antipodes Partners Ltd | 41,477 | $787.2K | 0.01% | +41,477 | New |
| Two Sigma Investments, LP | 42,659 | $809.7K | 0.00% | −352,197−89.2% | Reduced |
| Boothbay Fund Management, LLC | 42,705 | $810.5K | 0.02% | +42,705 | New |
| Police & Firemen's Retirement System of New Jersey | 42,740 | $811.2K | 0.01% | +2,450+6.1% | Added |
| RE Advisers Corp | 43,900 | $833.2K | 0.02% | 00.0% | Unchanged |
| Allspring Global Investments Holdings, LLC | 43,124 | $874.6K | 0.00% | +1,358+3.3% | Added |
| Handelsbanken Fonder AB | 47,300 | $898.0K | 0.00% | +13,000+37.9% | Added |
| HSBC Holdings PLC | 49,094 | $932.7K | 0.00% | +10,695+27.9% | Added |
| Royal Bank of Canada | 49,182 | $934.0K | 0.00% | −3,735−7.1% | Reduced |
| XTX Topco Ltd | 49,488 | $939.3K | 0.01% | −97,103−66.2% | Reduced |
| New York State Common Retirement Fund | 50,725 | $962.8K | 0.00% | +14,000+38.1% | Added |
| Gabelli Funds LLC | 50,820 | $964.6K | 0.01% | +5,000+10.9% | Added |
| Los Angeles Capital Management LLC | 51,989 | $986.8K | 0.00% | +16,664+47.2% | Added |
| Man Group plc | 53,054 | $1.01M | 0.00% | −610,903−92.0% | Reduced |
| Stifel Financial Corp | 53,887 | $1.02M | 0.00% | +7,286+15.6% | Added |
| Vanguard Global Advisers, LLC | 55,105 | $1.05M | 0.00% | −2,711−4.7% | Reduced |
| Advisory Services Network, LLC | 56,014 | $1.06M | 0.01% | −2,246−3.9% | Reduced |
| Ardsley Advisory Partners LP | 57,500 | $1.09M | 0.12% | −20,500−26.3% | Reduced |
| Jupiter Topco LLC | 58,423 | $1.11M | 0.00% | +58,423 | New |
| Gamco Investors, Inc. Et Al | 63,101 | $1.20M | 0.01% | +2,448+4.0% | Added |
| Zurcher Kantonalbank (Zurich Cantonalbank) | 64,707 | $1.23M | 0.00% | 00.0% | Unchanged |
| Vident Advisory, LLC | 65,771 | $1.25M | 0.01% | +2,405+3.8% | Added |
| Mirae Asset Global ETFs Holdings Ltd. | 66,503 | $1.26M | 0.00% | −231−0.3% | Reduced |
| Pinnacle Associates Ltd | 67,917 | $1.29M | 0.01% | +2,161+3.3% | Added |
| Steinberganna Wealth Management | 69,024 | $1.31M | 0.53% | 00.0% | Unchanged |
| Manufacturers Life Insurance Company, The | 71,015 | $1.35M | 0.00% | +6,457+10.0% | Added |
| Stephens Inc | 71,210 | $1.35M | 0.02% | −14,327−16.7% | Reduced |
| Russell Investments Group, Ltd. | 74,438 | $1.41M | 0.00% | +25,340+51.6% | Added |
| Z3 Capital Partners, LLC | 76,050 | $1.44M | 0.30% | −5,300−6.5% | Reduced |
| Radcliffe Capital Management, L.P. | 77,400 | $1.47M | 0.11% | −35,000−31.1% | Reduced |
| BNP Paribas Arbitrage, SA | 77,960 | $1.48M | 0.00% | +46,496+147.8% | Added |
| Nano Cap New Millennium Growth Fund L P | 81,500 | $1.55M | 1.19% | +11,500+16.4% | Added |
| Citizens Financial Group Inc | 82,383 | $1.56M | 0.02% | +82,383 | New |
| MetLife Investment Management | 84,157 | $1.60M | 0.01% | +6,492+8.4% | Added |
| State Board of Administration of Florida Retirement System | 84,633 | $1.61M | 0.00% | +46,402+121.4% | Added |
| Envestnet Asset Management Inc | 85,619 | $1.63M | 0.00% | +7,357+9.4% | Added |
| State of New Jersey Common Pension Fund D | 86,600 | $1.64M | 0.01% | +86,600 | New |
| Creative Planning | 86,650 | $1.64M | 0.00% | +14,472+20.1% | Added |
| Citigroup Inc | 87,702 | $1.66M | 0.00% | +71,842+453.0% | Added |
| Alliancebernstein L.P. | 144,845 | $1.72M | 0.00% | −78,346−35.1% | Reduced |
| Cardinal Point Capital Management, ULC | 92,150 | $1.75M | 0.10% | −2,800−2.9% | Reduced |
| Dba Trading, LLC | 150,000 | $1.78M | 0.90% | 00.0% | Unchanged |
| Diametric Capital, LP | 96,795 | $1.84M | 0.20% | +62,012+178.3% | Added |