William Blair & Company
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William Blair & Company’s Listed Funds Trust Roundhill Magnificent Seven ETF MAGS Stock Holding History

William Blair & Company’s Portfolio MAGS Stock Details MAGS Fund Activity
Bought
Maintained
Sold
Quarter Market Value Status Shares Change in
Stake 		Trade Value Portfolio Weight Portfolio Position
2026
Q1 		$371K Buy
+6,409
New +$401K ﹤0.01% 1251
2025
Q3 		– Sell
-5,805
Closed -$322K – 1887
2025
Q2 		$322K Sell
5,805
-2,814
-33% -$139K ﹤0.01% 1235
2025
Q1 		$395K Buy
8,619
+767
+10% +$40.1K ﹤0.01% 1153
2024
Q4 		$427K Buy
+7,852
New +$403K ﹤0.01% 1149

Other funds holding MAGS

CI
Clal Insurance Tel-Aviv, Israel $16.6B AUM 68.34% 1-Year Est. Return
ETC
Exchange Traded Concepts Oklahoma City, Oklahoma $21.9B AUM 68.6% 1-Year Est. Return
HI
Horizon Investments Charlotte, North Carolina $8.92B AUM 25.62% 1-Year Est. Return
JSAM
J. Safra Asset Management New York $1.86B AUM 22.95% 1-Year Est. Return
Two Sigma Investments
Two Sigma Investments New York $124B AUM 33.93% 1-Year Est. Return
Goldman Sachs
Goldman Sachs New York $871B AUM 31.28% 1-Year Est. Return
MCC
Money Concepts Capital Palm Beach Gardens, Florida $1.81B AUM 21.93% 1-Year Est. Return
MW
Marks Wealth Annapolis, Maryland $462M AUM 52.29% 1-Year Est. Return
HighTower Advisors
HighTower Advisors Chicago, Illinois $94.2B AUM 21.24% 1-Year Est. Return
VF
Vista Finance Clayton, Missouri $179M AUM 18.59% 1-Year Est. Return

William Blair & Company's MAGS Position: Q1 2026 in Review

William Blair & Company opened a new position in Listed Funds Trust Roundhill Magnificent Seven ETF (MAGS) in Q1 2026: 6,409 shares worth $371K. The stake represents ﹤0.01% of the portfolio and ranks #1251 among its holdings. This is a return to the name: William Blair & Company previously reported a position in MAGS as recently as Q2 2025.

William Blair & Company first reported a position in MAGS in Q4 2024 and has held it in 4 quarters since. The position peaked at $427K in Q4 2024. 243 funds tracked by Wall St. Rank hold MAGS as of Q1 2026.

  • William Blair & Company held 6,409 shares of Listed Funds Trust Roundhill Magnificent Seven ETF worth $371K as of Q1 2026.
  • Listed Funds Trust Roundhill Magnificent Seven ETF was a new William Blair & Company position in Q1 2026.
  • Listed Funds Trust Roundhill Magnificent Seven ETF made up ﹤0.01% of William Blair & Company's portfolio in Q1 2026, its #1251 holding.
  • William Blair & Company first reported a position in Listed Funds Trust Roundhill Magnificent Seven ETF in Q4 2024 and has held it in 4 quarters since.
  • William Blair & Company's Listed Funds Trust Roundhill Magnificent Seven ETF position peaked at $427K in Q4 2024.
  • 243 funds tracked by Wall St. Rank held Listed Funds Trust Roundhill Magnificent Seven ETF as of Q1 2026.

Based on William Blair & Company's 13F filing for Q1 2026, filed 8 May 2026.