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 24 sales; 311 institutions reported holding it in 13F filings for Q2 2026, worth $2.69B in total; no superinvestor holds it.
13F holders, Q1 2026
Institutional positions in Magnite, Inc. as of Mar 31, 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
- 297
- −2 vs. Q4 2025
- Shares held
- 131.6M
- +9.78M (+8.0%) vs. Q4 2025
- Total value
- $1.56B
- −$413.1M (−20.9%) vs. Q4 2025
- New holders
- 52
- 114 more added
- Sold out
- 54
- 80 more reduced
5 institutions that held it in Q4 2025 haven't filed for Q1 2026 yet. Not filing isn't selling, so they aren't counted as sold out or in the changes above.
Compare with Q4 2025: 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, Q1 2026
Shares, value and share of portfolio for each institution holding Magnite, Inc.; share changes are against Q4 2025.
| Institution | Shares | Value | % of portfolio | Change in shares | Action |
|---|---|---|---|---|---|
| Franklin Resources Inc | 109,583 | $1.30M | 0.00% | +613+0.6% | Added |
| Dana Investment Advisors, Inc. | 102,413 | $1.22M | 0.04% | −152,522−59.8% | Reduced |
| Holocene Advisors, LP | 101,973 | $1.21M | 0.00% | +86,411+555.3% | Added |
| Cerity Partners LLC | 101,213 | $1.20M | 0.00% | +425+0.4% | Added |
| Cardinal Point Capital Management, ULC | 94,950 | $1.13M | 0.07% | +26,425+38.6% | Added |
| Fox Run Management, L.L.C. | 88,103 | $1.02M | 0.18% | +88,103 | New |
| Stephens Inc | 85,537 | $1.02M | 0.01% | −1,875−2.1% | Reduced |
| Legato Capital Management LLC | 84,790 | $1.01M | 0.09% | +84,790 | New |
| Z3 Capital Partners, LLC | 81,350 | $966.4K | 0.24% | −10,800−11.7% | Reduced |
| Envestnet Asset Management Inc | 78,262 | $929.8K | 0.00% | −85,692−52.3% | Reduced |
| Ardsley Advisory Partners LP | 78,000 | $926.6K | 0.14% | +78,000 | New |
| MetLife Investment Management | 77,665 | $922.7K | 0.00% | −360−0.5% | Reduced |
| Teachers Retirement System of the State of Kentucky | 76,813 | $913.0K | 0.01% | 00.0% | Unchanged |
| Tudor Investment Corp Et Al | 73,645 | $874.9K | 0.00% | +38,971+112.4% | Added |
| Creative Planning | 72,178 | $857.5K | 0.00% | +41,443+134.8% | Added |
| Nano Cap New Millennium Growth Fund L P | 70,000 | $831.6K | 0.78% | +20,000+40.0% | Added |
| Jupiter Asset Management Ltd | 69,441 | $825.0K | 0.00% | +69,441 | New |
| Steinberganna Wealth Management | 69,024 | $820.0K | 0.39% | 00.0% | Unchanged |
| Mirae Asset Global ETFs Holdings Ltd. | 66,734 | $792.8K | 0.00% | +1,731+2.7% | Added |
| Wells Fargo & Company | 66,102 | $785.3K | 0.00% | −127,517−65.9% | Reduced |
| Pinnacle Associates Ltd | 65,756 | $781.2K | 0.01% | +14,038+27.1% | Added |
| Zurcher Kantonalbank (Zurich Cantonalbank) | 64,707 | $768.7K | 0.00% | +11,339+21.2% | Added |
| Manufacturers Life Insurance Company, The | 64,558 | $766.9K | 0.00% | −1,028−1.6% | Reduced |
| Vident Advisory, LLC | 63,366 | $752.8K | 0.01% | +46,643+278.9% | Added |
| Gamco Investors, Inc. Et Al | 60,653 | $720.6K | 0.01% | +16,174+36.4% | Added |
| Fifth Third Bancorp | 58,823 | $698.8K | 0.00% | +58,823 | New |
| Janus Henderson Group PLC | 58,423 | $693.8K | 0.00% | 00.0% | Unchanged |
| Advisory Services Network, LLC | 58,260 | $692.1K | 0.01% | +1,733+3.1% | Added |
| Jennison Associates LLC | 57,849 | $687.2K | 0.00% | +57,849 | New |
| Vanguard Global Advisers, LLC | 57,816 | $686.9K | 0.00% | +57,816 | New |
| SG Americas Securities, LLC | 57,237 | $680.0K | 0.00% | −2,008−3.4% | Reduced |
| Moody National Bank Trust Division | 53,315 | $633.4K | 0.06% | −42,869−44.6% | Reduced |
| Royal Bank of Canada | 52,917 | $628.0K | 0.00% | −9,396−15.1% | Reduced |
| Russell Investments Group, Ltd. | 49,098 | $583.3K | 0.00% | −401,923−89.1% | Reduced |
| Stifel Financial Corp | 46,601 | $553.6K | 0.00% | −12,181−20.7% | Reduced |
| Canada Pension Plan Investment Board | 46,052 | $547.1K | 0.00% | +27,600+149.6% | Added |
| Gabelli Funds LLC | 45,820 | $544.3K | 0.00% | +15,000+48.7% | Added |
| RE Advisers Corp | 43,900 | $521.5K | 0.01% | 00.0% | Unchanged |
| Marshall Wace, LLP | 42,468 | $504.5K | 0.00% | +13,705+47.6% | Added |
| Natixis | 42,100 | $500.1K | 0.00% | +42,100 | New |
| Allspring Global Investments Holdings, LLC | 41,766 | $492.4K | 0.00% | +4,304+11.5% | Added |
| Police & Firemen's Retirement System of New Jersey | 40,290 | $478.6K | 0.00% | +3,185+8.6% | Added |
| Arizona State Retirement System | 39,456 | $468.7K | 0.00% | −161−0.4% | Reduced |
| HSBC Holdings PLC | 38,399 | $459.6K | 0.00% | −14,385−27.3% | Reduced |
| State Board of Administration of Florida Retirement System | 38,231 | $454.2K | 0.00% | 00.0% | Unchanged |
| Intech Investment Management LLC | 37,399 | $444.3K | 0.00% | −28,836−43.5% | Reduced |
| Greenwood Capital Associates LLC | 36,804 | $437.2K | 0.05% | −1,816−4.7% | Reduced |
| New York State Common Retirement Fund | 36,725 | $436.3K | 0.00% | −437,732−92.3% | Reduced |
| Los Angeles Capital Management LLC | 35,325 | $419.7K | 0.00% | −4,759−11.9% | Reduced |
| Vanguard Investments Australia, Ltd. | 35,321 | $419.6K | 0.00% | +35,321 | New |
| Diametric Capital, LP | 34,783 | $413.2K | 0.11% | −14,921−30.0% | Reduced |
| Jackson Creek Investment Advisors LLC | 34,671 | $412.0K | 0.12% | +34,671 | New |
| Handelsbanken Fonder AB | 34,300 | $407.0K | 0.00% | 00.0% | Unchanged |
| KLP Kapitalforvaltning AS | 32,400 | $384.9K | 0.00% | +1,900+6.2% | Added |
| Brown Advisory Inc | 31,524 | $374.5K | 0.00% | +10,261+48.3% | Added |
| BNP Paribas Arbitrage, SA | 31,464 | $373.8K | 0.00% | −168−0.5% | Reduced |
| Buckland Partners Management Co LLC | 31,446 | $373.6K | 0.23% | 00.0% | Unchanged |
| Fulton Bank, N.A. | 30,740 | $365.2K | 0.01% | −655−2.1% | Reduced |
| State of Alaska, Department of Revenue | 30,334 | $360.0K | 0.00% | 00.0% | Unchanged |
| Ronald Blue Trust, Inc. | 29,073 | $345.4K | 0.00% | +1,599+5.8% | Added |
| Northwest & Ethical Investments L.P. | 28,181 | $342.7K | 0.01% | +10,542+59.8% | Added |
| IMC-Chicago, LLC | 27,774 | $330.0K | 0.00% | −105,322−79.1% | Reduced |
| Linden Thomas Advisory Services, LLC | 26,421 | $313.9K | 0.03% | +26,421 | New |
| Pictet Asset Management Holding SA | 25,755 | $306.0K | 0.00% | +3,114+13.8% | Added |
| Group One Trading, L.P. | 24,999 | $297.0K | 0.01% | +19,652+367.5% | Added |
| Entropy Technologies, LP | 24,761 | $294.2K | 0.01% | +24,761 | New |
| Universal- Beteiligungs- und Servicegesellschaft mbH | 23,695 | $281.5K | 0.00% | −106,092−81.7% | Reduced |
| Mount Yale Investment Advisors, LLC | 23,648 | $280.9K | 0.01% | +23,648 | New |
| Amundi | 22,817 | $271.1K | 0.00% | +9,764+74.8% | Added |
| Pinnacle Wealth Management Advisory Group, LLC | 22,577 | $268.2K | 0.02% | −1,866−7.6% | Reduced |
| Prudential Financial Inc | 22,452 | $266.7K | 0.00% | +22,452 | New |
| Dynamic Technology Lab Private Ltd | 22,162 | $263.3K | 0.04% | +22,162 | New |
| Mirabella Financial Services LLP | 21,285 | $252.9K | 0.02% | +21,285 | New |
| Verdence Capital Advisors LLC | 20,891 | $248.2K | 0.01% | +3,898+22.9% | Added |
| ProShare Advisors LLC | 20,628 | $245.1K | 0.00% | −4,955−19.4% | Reduced |
| Virtu Financial LLC | 20,044 | $238.0K | 0.01% | +20,044 | New |
| Captrust Financial Advisors | 18,658 | $221.7K | 0.00% | +3,329+21.7% | Added |
| STRS Ohio | 18,500 | $219.8K | 0.00% | −16,700−47.4% | Reduced |
| Mercer Global Advisors Inc | 18,458 | $219.3K | 0.00% | +18,458 | New |
| Prelude Capital Management, LLC | 17,889 | $212.5K | 0.02% | −134,311−88.2% | Reduced |
| Avenir Corp | 17,715 | $210.5K | 0.03% | +17,715 | New |
| Centiva Capital, LP | 17,000 | $202.0K | 0.01% | 00.0% | Unchanged |
| Citigroup Inc | 15,860 | $188.4K | 0.00% | −35,564−69.2% | Reduced |
| Great West Life Assurance Co | 15,140 | $181.0K | 0.00% | 00.0% | Unchanged |
| Public Employees Retirement Association of Colorado | 14,986 | $178.0K | 0.00% | 00.0% | Unchanged |
| Cambridge Investment Research Advisors, Inc. | 15,022 | $178.0K | 0.00% | +966+6.9% | Added |
| Winthrop Advisory Group LLC | 14,520 | $172.5K | 0.01% | 00.0% | Unchanged |
| Caitong International Asset Management Co., Ltd | 14,350 | $170.5K | 0.03% | +14,350 | New |
| GWN Securities Inc. | 14,321 | $170.1K | 0.03% | +14,321 | New |
| Woodmont Investment Counsel LLC | 14,250 | $169.3K | 0.01% | 00.0% | Unchanged |
| Ensign Peak Advisors, Inc | 13,658 | $162.3K | 0.00% | 00.0% | Unchanged |
| Xponance, Inc. | 13,486 | $160.2K | 0.00% | +2,390+21.5% | Added |
| Gsa Capital Partners LLP | 13,347 | $159.0K | 0.01% | −3,176−19.2% | Reduced |
| Bayforest Capital Ltd | 13,225 | $157.1K | 0.18% | +6,810+106.2% | Added |
| Cetera Investment Advisers | 13,157 | $156.3K | 0.00% | −21,140−61.6% | Reduced |
| Parallax Volatility Advisers, L.P. | 13,133 | $156.0K | 0.01% | −41,525−76.0% | Reduced |
| HCR Wealth Advisors | 13,000 | $154.4K | 0.02% | 00.0% | Unchanged |
| Gotham Asset Management, LLC | 12,885 | $153.1K | 0.00% | +12,885 | New |
| OP Asset Management Ltd | 12,621 | $149.9K | 0.00% | 00.0% | Unchanged |
| Ledgewood Wealth Advisors, LLC | 12,577 | $149.4K | 0.08% | −1,520−10.8% | Reduced |