13FBOX
MAGNITE INC · 13F Institutional Holdings
Options Calculator Rankings
M

MAGNITE INC

MGNI
Institutions
315
Combined AUM (Q2 2026)
$2.85B
Combined Shares (Q2 2026)
150.2M
Overall Trend
Increase
All institutions combined
📥 Inflow (Q1 2026→Q2 2026)
+27.0M
177 · 62 New Buys · ≈
📤 Outflow (Q1 2026→Q2 2026)
-15.9M
130 · 40 Exit · ≈
⚖️ Net
+11.2M
Net Buy
💰 Net Value
≈ —
est. price
Latest AUM (Q2 2026)
$2.85B
Institutions
315
New Buys
62
Adds
115
Reduces
90
Exits
40
Unchanged
48
Ownership TrendPortfolio %Prev Q %RankQ2 2026 ValueQ2 2026 SharesPrev Q ValuePrev Q SharesShares ChangeAction
BlackRock, Inc.
<0.01%<0.01%#156$241.3M12.7M$138.5M11.7M+1.1M+9.06%Add
VANGUARD PORTFOLIO MANAGEMENT LLC
0.01%<0.01%#127$155.6M8.2M$91.8M7.7M+471,081+6.10%Add
FMR LLC
0.01%<0.01%#131$147.3M7.8M$53.5M4.5M+3.3M+72.15%Add
VANGUARD CAPITAL MANAGEMENT LLC
<0.01%<0.01%#171$118.2M6.2M$73.5M6.2M+34,792+0.56%Add
WELLINGTON MANAGEMENT GROUP LLP
0.02%0.02%#93$114.7M6.0M$109.2M9.2M-3.1M-34.24%Reduce
DIMENSIONAL FUND ADVISORS LP
0.02%0.01%#97$99.8M5.3M$47.3M4.0M+1.3M+32.04%Add
Boston Partners
0.09%0.06%#56$95.9M5.0M$56.1M4.7M+293,972+6.23%Add
AMERICAN CENTURY COMPANIES INC
0.04%0.03%#71$87.7M4.6M$55.0M4.6M-4,080-0.09%Reduce
Capital Research Global Investors
0.01%0.01%#117$73.4M3.9M$59.6M5.0M-1.2M-22.93%Reduce
Nuveen, LLC
0.02%0.01%#100$72.0M3.8M$42.6M3.6M+204,786+5.70%Add
GEODE CAPITAL MANAGEMENT, LLC
<0.01%<0.01%#149$71.9M3.8M$42.2M3.6M+236,169+6.65%Add
Edenbrook Capital, LLC
13.6%12.57%#4$67.5M3.6M$40.4M3.4M+157,579+4.64%Add
STATE STREET CORP
<0.01%<0.01%#179$67.0M3.5M$37.6M3.2M+364,936+11.54%Add
325 CAPITAL LLC
15.57%8.68%#2$64.8M3.4M$23.8M2.0M+1.4M+70.18%Add
Nine Ten Capital Management LLC
19.26%13.14%#1$61.9M3.3M$41.4M3.5M-220,000-6.32%Reduce
Granahan Investment Management, LLC
2.09%1.47%#17$58.5M3.1M$30.3M2.6M+529,798+20.75%Add
CANADA PENSION PLAN INVESTMENT BOARD
0.03%<0.01%#81$56.8M3.0M$547,09846,052+2.9M+6,403.72%Add
JANE STREET GROUP, LLC
<0.01%<0.01%#151$45.3M2.4M$21.2M1.8M+601,331+33.65%Add
Park West Asset Management LLC
2.91%0.62%#11$42.7M2.3M$7.1M598,380+1.7M+276.02%Add
Caption Management, LLC
0.18%0.13%#42$38.0M2.0M$22.6M1.9M+94,537+4.96%Add
MORGAN STANLEY
<0.01%<0.01%#178$37.8M2.0M$44.6M2.0M-54,505-2.66%Reduce
CITADEL ADVISORS LLC
<0.01%<0.01%#147$37.6M2.0M$26.1M2.2M-218,443-9.94%Reduce
Qube Research & Technologies Ltd
0.03%0.01%#76$37.1M2.0M$7.9M661,057+1.3M+195.89%Add
Blue Grotto Capital, LLC
2.7%1.82%#13$32.4M1.7M$15.8M1.3M+377,959+28.44%Add
KENNEDY CAPITAL MANAGEMENT LLC
0.56%0.44%#27$31.6M1.7M$20.8M1.8M-86,743-4.95%Reduce
NORTHERN TRUST CORP
<0.01%<0.01%#157$29.5M1.6M$15.7M1.3M+230,841+17.45%Add
ROYCE & ASSOCIATES LP
0.23%0.16%#38$28.0M1.5M$16.2M1.4M+107,908+7.90%Add
GOLDMAN SACHS GROUP INC
<0.01%<0.01%#173$27.8M1.5M$17.8M1.5M-34,212-2.28%Reduce
Ophir Asset Management Pty Ltd
2.26%2.93%#15$27.5M1.5M$25.2M2.1M-667,955-31.54%Reduce
PICTON MAHONEY ASSET MANAGEMENT
0.2%0.06%#40$27.4M1.4M$7.6M643,078+798,393+124.15%Add
BANK OF MONTREAL /CAN/
0.01%#121$26.7M1.4M$00+1.4MNew Buy
VICTORY CAPITAL MANAGEMENT INC
0.01%0.01%#110$23.4M1.2M$15.0M1.3M-31,138-2.46%Reduce
CHARLES SCHWAB INVESTMENT MANAGEMENT INC
<0.01%<0.01%#161$22.8M1.2M$14.0M1.2M+22,758+1.93%Add
BANK OF AMERICA CORP /DE/
<0.01%<0.01%#193$22.4M1.2M$13.4M1.1M+56,636+5.03%Add
SUSQUEHANNA INTERNATIONAL GROUP, LLP
<0.01%<0.01%#185$22.3M1.2M$9.4M787,805+385,744+48.96%Add
GRIZZLYROCK CAPITAL, LLC
15.46%11.65%#3$22.1M1.2M$14.7M1.2M-74,052-5.98%Reduce
Bank of New York Mellon Corp
<0.01%<0.01%#155$22.1M1.2M$13.5M1.1M+23,981+2.11%Add
Maestria Partners LLC
7.65%5.91%#6$22.0M1.2M$16.2M1.4M-205,075-15.04%Reduce
Walleye Trading LLC
0.02%0.03%#87$20.4M1.1M$15.3M1.3M-217,194-16.82%Reduce
Meros Investment Management, LP
5.97%5.11%#8$18.8M991,335$11.8M992,351-1,016-0.10%Reduce
VANGUARD FIDUCIARY TRUST CO
<0.01%<0.01%#148$18.8M989,092$11.8M997,082-7,990-0.80%Reduce
Squarepoint Ops LLC
0.02%0.02%#99$15.6M820,434$16.5M1.4M-570,900-41.03%Reduce
MILLENNIUM MANAGEMENT LLC
<0.01%0.01%#140$14.5M764,819$14.7M1.2M-469,638-38.04%Reduce
QVT Financial LP
0.83%0.39%#26$14.2M747,437$5.4M453,910+293,527+64.67%Add
UBS Group AG
<0.01%<0.01%#182$14.2M746,350$5.4M450,349+296,001+65.73%Add
OBERWEIS ASSET MANAGEMENT INC/
0.29%0.23%#33$14.0M735,000$7.7M647,600+87,400+13.50%Add
SILVERCREST ASSET MANAGEMENT GROUP LLC
0.09%0.05%#55$13.4M707,749$7.3M616,084+91,665+14.88%Add
Kopion Asset Management, LLC
8.09%7.91%#5$12.8M674,451$10.2M855,904-181,453-21.20%Reduce
First Eagle Investment Management, LLC
0.02%0.01%#90$12.7M670,788$5.3M450,288+220,500+48.97%Add
BALYASNY ASSET MANAGEMENT L.P.
0.02%0.02%#104$12.7M666,554$17.8M1.5M-833,889-55.58%Reduce

🧭 Institutional Sector Flow Heatmap

Net Outflow Net Inflow