William Blair & Company
MDGL icon

William Blair & Company’s Madrigal Pharmaceuticals MDGL Stock Holding History

William Blair & Company’s Portfolio MDGL Stock Details MDGL Fund Activity
Bought
Maintained
Sold
Quarter Market Value Status Shares Change in
Stake 		Trade Value Portfolio Weight Portfolio Position
2026
Q1 		$524K Buy
1,001
+1
+0.1% +$478 ﹤0.01% 1132
2025
Q4 		$582K Hold
1,000
– – ﹤0.01% 1087
2025
Q3 		$459K Hold
1,000
– – ﹤0.01% 1146
2025
Q2 		$303K Sell
1,000
-3
-0.3% -$894 ﹤0.01% 1261
2025
Q1 		$332K Buy
+1,003
New +$330K ﹤0.01% 1219
2018
Q4 		– Sell
-2,250
Closed -$482K – 1740
2018
Q3 		$482K Sell
2,250
-3,470
-61% -$871K ﹤0.01% 965
2018
Q2 		$1.6M Buy
5,720
+2,641
+86% +$464K 0.01% 601
2018
Q1 		$360K Buy
+3,079
New +$380K ﹤0.01% 1023

Other funds holding MDGL

BBA
Baker Bros. Advisors New York $17.4B AUM 131.5% 1-Year Est. Return
Janus Henderson Group
Janus Henderson Group London, United Kingdom $209B AUM 37.72% 1-Year Est. Return
RI
RTW Investments New York $10B AUM 135.35% 1-Year Est. Return
ACA
Avoro Capital Advisors New York $10.2B AUM 149.19% 1-Year Est. Return
BlackRock
BlackRock New York $6.73T AUM 46.02% 1-Year Est. Return
PC
Paulson & Co New York $3.11B AUM 94.93% 1-Year Est. Return
VPM
Vanguard Portfolio Management Malvern, Pennsylvania $1.91T AUM
VCM
Vanguard Capital Management Malvern, Pennsylvania $4.04T AUM
Wellington Management Group
Wellington Management Group Boston, Massachusetts $535B AUM 26.23% 1-Year Est. Return
State Street
State Street Boston, Massachusetts $3.37T AUM 44.26% 1-Year Est. Return

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

William Blair & Company increased its Madrigal Pharmaceuticals (MDGL) stake by 0.1% in Q1 2026, buying an estimated $478 and bringing the position to 1,001 shares worth $524K. The position accounts for ﹤0.01% of the portfolio, ranked #1132.

William Blair & Company first reported a position in MDGL in Q1 2018 and has held it in 8 quarters since. The position peaked at $1.6M in Q2 2018. 378 funds tracked by Wall St. Rank hold MDGL as of Q1 2026.

  • William Blair & Company held 1,001 shares of Madrigal Pharmaceuticals worth $524K as of Q1 2026.
  • William Blair & Company bought 1 Madrigal Pharmaceuticals share in Q1 2026, an estimated $478.
  • Madrigal Pharmaceuticals made up ﹤0.01% of William Blair & Company's portfolio in Q1 2026, its #1132 holding.
  • William Blair & Company first reported a position in Madrigal Pharmaceuticals in Q1 2018 and has held it in 8 quarters since.
  • William Blair & Company's Madrigal Pharmaceuticals position peaked at $1.6M in Q2 2018.
  • 378 funds tracked by Wall St. Rank held Madrigal Pharmaceuticals as of Q1 2026.

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