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As of the latest SEC filings, MAGNITE, INC. (MGNI) is held by 282 institutional funds. The largest fund shareholder is SMALLCAP World Fund Inc (SMCWX), holding an estimated $63,486,244.80 in market value, representing 0.08% of its portfolio.

Funds holding MAGNITE, INC. (MGNI)

Source: SEC Form N-PORT institutional portfolio disclosures

Ticker:
MGNI
CIK:
0001595974
Showing top 25 of 282 institutional funds
Fund Type Manager Weight Market Value Shares
Report Date
Filing Date
SMCWX
SMALLCAP World Fund Inc
MF Independent / Boutique 0.08% $63,486,244.80 5,343,960 Mar 31, 2026 May 28, 2026
VTI
VANGUARD TOTAL STOCK MARKET INDEX FUND
ETF Vanguard 0.00% $51,611,911.56 4,344,437 Mar 31, 2026 May 28, 2026
IWM
iShares Russell 2000 ETF
ETF BlackRock / iShares 0.06% $41,403,950.28 3,485,181 Mar 31, 2026 May 28, 2026
NAESX
VANGUARD SMALL-CAP INDEX FUND
ETF Vanguard 0.02% $37,536,321.24 3,159,623 Mar 31, 2026 May 28, 2026
ANOIX
Small Cap Growth Fund
MF American Century 0.74% $37,238,134.56 2,905,824 Apr 30, 2026 Jun 26, 2026
VISVX
VANGUARD SMALL-CAP VALUE INDEX FUND
ETF Vanguard 0.04% $23,918,740.56 2,013,362 Mar 31, 2026 May 28, 2026
FGHMX
Select Communication Services Portfolio
MF Fidelity 0.86% $23,451,774.06 1,721,863 Feb 28, 2026 Apr 24, 2026
VEMPX
VANGUARD EXTENDED MARKET INDEX FUND
ETF Vanguard 0.02% $19,008,795.96 1,600,067 Mar 31, 2026 May 28, 2026
FBAQX
Fidelity Balanced Fund
MF Fidelity 0.03% $18,525,774.18 1,360,189 Feb 28, 2026 Apr 24, 2026
FSSNX
Fidelity Small Cap Index Fund
MF Fidelity 0.06% $18,033,191.11 1,407,194 Apr 30, 2026 Jun 26, 2026
IWO
iShares Russell 2000 Growth ETF
ETF BlackRock / iShares 0.11% $13,732,389.00 1,155,925 Mar 31, 2026 May 28, 2026
FSMAX
Fidelity Extended Market Index Fund
MF Fidelity 0.03% $10,270,351.68 754,064 Feb 28, 2026 Apr 24, 2026
-
JNL Multi-Manager Small Cap Growth Fund
ETF Independent / Boutique 0.49% $9,795,535.20 824,540 Mar 31, 2026 May 28, 2026
SCHA
Schwab U.S. Small-Cap ETF
ETF Charles Schwab 0.05% $9,491,859.72 696,906 Feb 28, 2026 Apr 24, 2026
VTWO
VANGUARD RUSSELL 2000 INDEX FUND
ETF Vanguard 0.06% $9,449,910.12 693,826 Feb 28, 2026 Apr 28, 2026
LRRRX
Lord Abbett Floating Rate Fund
MF Independent / Boutique 0.22% $9,348,545.45 9,407,341 Feb 28, 2026 Apr 28, 2026
-
Fidelity U.S. Equity Central Fund
ETF Fidelity 0.04% $8,757,377.64 737,153 Mar 31, 2026 May 26, 2026
DFSTX
U.S. SMALL CAP PORTFOLIO
MF Dimensional Fund Advisors 0.04% $8,048,934.91 628,087 Apr 30, 2026 Jun 24, 2026
BPSIX
Boston Partners Small Cap Value Fund II
MF Independent / Boutique 1.03% $8,002,662.54 587,567 Feb 28, 2026 Apr 28, 2026
TCSEX
Nuveen Quant Small Cap Equity Fund
MF TIAA / Nuveen 0.20% $7,822,276.00 610,400 Apr 30, 2026 Jun 24, 2026
VTCAX
VANGUARD COMMUNICATION SERVICES INDEX FUND
ETF Vanguard 0.12% $7,724,623.86 567,153 Feb 28, 2026 Apr 28, 2026
-
Global Small Capitalization Fund
ETF Capital Group / American Funds 0.27% $7,594,895.88 639,301 Mar 31, 2026 May 28, 2026
OBMCX
Oberweis Micro-Cap Fund
MF Independent / Boutique 0.70% $7,370,352.00 620,400 Mar 31, 2026 May 29, 2026
SAMBX
Virtus Seix Floating Rate High Income Fund
MF Duff & Phelps / Virtus 0.60% $6,689,658.85 6,774,338 Mar 31, 2026 May 29, 2026
CALF
Pacer US Small Cap Cash Cows 100 ETF
ETF Pacer 0.18% $6,365,646.21 496,734 Apr 30, 2026 Jun 29, 2026
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