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 |
|---|---|---|---|---|---|
| Franklin Resources Inc | 122,336 | $2.32M | 0.00% | +12,753+11.6% | Added |
| Dean Capital Management | 121,971 | $2.32M | 0.84% | +121,971 | New |
| Winton Group Ltd | 121,900 | $2.31M | 0.07% | +121,900 | New |
| CenterBook Partners LP | 117,550 | $2.23M | 0.11% | −446,606−79.2% | Reduced |
| Legal & General Group Plc | 117,006 | $2.22M | 0.00% | −5,041−4.1% | Reduced |
| Penbrook Management LLC | 112,040 | $2.13M | 1.36% | −150−0.1% | Reduced |
| Dark Forest Capital Management LP | 110,985 | $2.11M | 0.14% | +99,298+849.6% | Added |
| Dana Investment Advisors, Inc. | 99,052 | $1.88M | 0.05% | −3,361−3.3% | Reduced |
| Perkins Capital Management Inc | 98,625 | $1.87M | 1.48% | −20,650−17.3% | Reduced |
| Moody National Bank Trust Division | 97,202 | $1.84M | 0.15% | +43,887+82.3% | Added |
| Diametric Capital, LP | 96,795 | $1.84M | 0.20% | +62,012+178.3% | Added |
| Dba Trading, LLC | 150,000 | $1.78M | 0.90% | 00.0% | Unchanged |
| Cardinal Point Capital Management, ULC | 92,150 | $1.75M | 0.10% | −2,800−2.9% | Reduced |
| Alliancebernstein L.P. | 144,845 | $1.72M | 0.00% | −78,346−35.1% | Reduced |
| Citigroup Inc | 87,702 | $1.66M | 0.00% | +71,842+453.0% | Added |
| Creative Planning | 86,650 | $1.64M | 0.00% | +14,472+20.1% | Added |
| State of New Jersey Common Pension Fund D | 86,600 | $1.64M | 0.01% | +86,600 | New |
| Envestnet Asset Management Inc | 85,619 | $1.63M | 0.00% | +7,357+9.4% | Added |
| State Board of Administration of Florida Retirement System | 84,633 | $1.61M | 0.00% | +46,402+121.4% | Added |
| MetLife Investment Management | 84,157 | $1.60M | 0.01% | +6,492+8.4% | Added |
| Citizens Financial Group Inc | 82,383 | $1.56M | 0.02% | +82,383 | New |
| Nano Cap New Millennium Growth Fund L P | 81,500 | $1.55M | 1.19% | +11,500+16.4% | Added |
| BNP Paribas Arbitrage, SA | 77,960 | $1.48M | 0.00% | +46,496+147.8% | Added |
| Radcliffe Capital Management, L.P. | 77,400 | $1.47M | 0.11% | −35,000−31.1% | Reduced |
| Z3 Capital Partners, LLC | 76,050 | $1.44M | 0.30% | −5,300−6.5% | Reduced |
| Russell Investments Group, Ltd. | 74,438 | $1.41M | 0.00% | +25,340+51.6% | Added |
| Stephens Inc | 71,210 | $1.35M | 0.02% | −14,327−16.7% | Reduced |
| Manufacturers Life Insurance Company, The | 71,015 | $1.35M | 0.00% | +6,457+10.0% | Added |
| Steinberganna Wealth Management | 69,024 | $1.31M | 0.53% | 00.0% | Unchanged |
| Pinnacle Associates Ltd | 67,917 | $1.29M | 0.01% | +2,161+3.3% | Added |
| Mirae Asset Global ETFs Holdings Ltd. | 66,503 | $1.26M | 0.00% | −231−0.3% | Reduced |
| Vident Advisory, LLC | 65,771 | $1.25M | 0.01% | +2,405+3.8% | Added |
| Zurcher Kantonalbank (Zurich Cantonalbank) | 64,707 | $1.23M | 0.00% | 00.0% | Unchanged |
| Gamco Investors, Inc. Et Al | 63,101 | $1.20M | 0.01% | +2,448+4.0% | Added |
| Jupiter Topco LLC | 58,423 | $1.11M | 0.00% | +58,423 | New |
| Ardsley Advisory Partners LP | 57,500 | $1.09M | 0.12% | −20,500−26.3% | Reduced |
| Advisory Services Network, LLC | 56,014 | $1.06M | 0.01% | −2,246−3.9% | Reduced |
| Vanguard Global Advisers, LLC | 55,105 | $1.05M | 0.00% | −2,711−4.7% | Reduced |
| Stifel Financial Corp | 53,887 | $1.02M | 0.00% | +7,286+15.6% | Added |
| Man Group plc | 53,054 | $1.01M | 0.00% | −610,903−92.0% | Reduced |
| Los Angeles Capital Management LLC | 51,989 | $986.8K | 0.00% | +16,664+47.2% | Added |
| Gabelli Funds LLC | 50,820 | $964.6K | 0.01% | +5,000+10.9% | Added |
| New York State Common Retirement Fund | 50,725 | $962.8K | 0.00% | +14,000+38.1% | Added |
| XTX Topco Ltd | 49,488 | $939.3K | 0.01% | −97,103−66.2% | Reduced |
| Royal Bank of Canada | 49,182 | $934.0K | 0.00% | −3,735−7.1% | Reduced |
| HSBC Holdings PLC | 49,094 | $932.7K | 0.00% | +10,695+27.9% | Added |
| Handelsbanken Fonder AB | 47,300 | $898.0K | 0.00% | +13,000+37.9% | Added |
| Allspring Global Investments Holdings, LLC | 43,124 | $874.6K | 0.00% | +1,358+3.3% | Added |
| RE Advisers Corp | 43,900 | $833.2K | 0.02% | 00.0% | Unchanged |
| Police & Firemen's Retirement System of New Jersey | 42,740 | $811.2K | 0.01% | +2,450+6.1% | Added |
| Boothbay Fund Management, LLC | 42,705 | $810.5K | 0.02% | +42,705 | New |
| Two Sigma Investments, LP | 42,659 | $809.7K | 0.00% | −352,197−89.2% | Reduced |
| Antipodes Partners Ltd | 41,477 | $787.2K | 0.01% | +41,477 | New |
| Jain Global LLC | 40,506 | $768.8K | 0.01% | +40,506 | New |
| Arizona State Retirement System | 39,834 | $756.0K | 0.00% | +378+1.0% | Added |
| Brown Advisory Inc | 36,314 | $689.2K | 0.00% | +4,790+15.2% | Added |
| D. E. Shaw & Co., Inc. | 35,719 | $677.9K | 0.00% | +35,719 | New |
| Vanguard Investments Australia, Ltd. | 35,321 | $670.4K | 0.00% | 00.0% | Unchanged |
| Jackson Creek Investment Advisors LLC | 34,494 | $666.0K | 0.22% | −177−0.5% | Reduced |
| Greenwood Capital Associates LLC | 34,891 | $662.2K | 0.06% | −1,913−5.2% | Reduced |
| Intech Investment Management LLC | 33,542 | $636.6K | 0.01% | −3,857−10.3% | Reduced |
| IMC-Chicago, LLC | 33,508 | $636.0K | 0.01% | +5,734+20.6% | Added |
| Fulton Bank, N.A. | 33,041 | $627.1K | 0.02% | +2,301+7.5% | Added |
| KLP Kapitalforvaltning AS | 32,400 | $615.0K | 0.00% | 00.0% | Unchanged |
| Buckland Partners Management Co LLC | 31,446 | $596.8K | 0.29% | 00.0% | Unchanged |
| State of Alaska, Department of Revenue | 30,334 | $575.0K | 0.01% | 00.0% | Unchanged |
| Ronald Blue Trust, Inc. | 29,638 | $562.5K | 0.01% | +565+1.9% | Added |
| Neo Ivy Capital Management | 29,172 | $553.7K | 0.13% | +29,172 | New |
| Mercer Global Advisors Inc | 28,374 | $538.5K | 0.00% | +9,916+53.7% | Added |
| Fox Run Management, L.L.C. | 26,666 | $506.1K | 0.08% | −61,437−69.7% | Reduced |
| Jupiter Asset Management Ltd | 26,657 | $505.9K | 0.00% | −42,784−61.6% | Reduced |
| SG Americas Securities, LLC | 26,567 | $504.0K | 0.00% | −30,670−53.6% | Reduced |
| Linden Thomas Advisory Services, LLC | 26,206 | $497.4K | 0.04% | −215−0.8% | Reduced |
| Pictet Asset Management Holding SA | 25,755 | $488.8K | 0.00% | 00.0% | Unchanged |
| CI Private Wealth, LLC | 25,326 | $480.7K | 0.00% | +25,326 | New |
| Universal- Beteiligungs- und Servicegesellschaft mbH | 24,829 | $471.3K | 0.00% | +1,134+4.8% | Added |
| Steward Partners Investment Advisory, LLC | 24,705 | $468.9K | 0.00% | +24,665+61,662.5% | Added |
| Acadian Asset Management LLC | 24,288 | $459.0K | 0.00% | +20,602+558.9% | Added |
| Prudential Financial Inc | 24,162 | $458.6K | 0.00% | +1,710+7.6% | Added |
| Mount Yale Investment Advisors, LLC | 24,149 | $458.3K | 0.01% | +501+2.1% | Added |
| State of Wyoming | 22,273 | $422.7K | 0.04% | +22,273 | New |
| Lighthouse Investment Partners, LLC | 21,980 | $417.2K | 0.01% | +21,980 | New |
| Amundi | 21,157 | $401.6K | 0.00% | −1,660−7.3% | Reduced |
| Captrust Financial Advisors | 21,151 | $401.4K | 0.00% | +2,493+13.4% | Added |
| Two Sigma Securities, LLC | 21,097 | $400.4K | 0.03% | +9,066+75.4% | Added |
| Verdence Capital Advisors LLC | 20,106 | $381.6K | 0.02% | −785−3.8% | Reduced |
| Legacy Advisors, LLC | 19,967 | $379.0K | 0.04% | +19,967 | New |
| Quadrature Capital Ltd | 19,145 | $363.4K | 0.00% | +19,145 | New |
| Mangrove Partners | 19,086 | $362.3K | 0.02% | +19,086 | New |
| ProShare Advisors LLC | 18,909 | $358.9K | 0.00% | −1,719−8.3% | Reduced |
| Mirabella Financial Services LLP | 18,287 | $347.1K | 0.03% | −2,998−14.1% | Reduced |
| B. Riley Financial, Inc. | 16,778 | $318.4K | 0.07% | +16,778 | New |
| Elevatus Welath Management | 16,759 | $318.1K | 0.08% | +16,759 | New |
| Parallax Volatility Advisers, L.P. | 16,743 | $317.8K | 0.01% | +3,610+27.5% | Added |
| Avenir Corp | 16,715 | $317.3K | 0.04% | −1,000−5.6% | Reduced |
| Northwestern Mutual Wealth Management Co | 15,245 | $289.4K | 0.00% | +12,245+408.2% | Added |
| Wealth Enhancement Advisory Services, LLC | 14,161 | $288.0K | 0.00% | +14,161 | New |
| Great West Life Assurance Co | 15,140 | $287.0K | 0.00% | 00.0% | Unchanged |
| Public Employees Retirement Association of Colorado | 14,986 | $284.0K | 0.00% | 00.0% | Unchanged |
| Pinnacle Wealth Management Advisory Group, LLC | 14,863 | $282.1K | 0.02% | −7,714−34.2% | Reduced |