William Blair & Company
HRMY icon

William Blair & Company’s Harmony Biosciences HRMY Stock Holding History

William Blair & Company’s Portfolio HRMY Stock Details HRMY Fund Activity
Bought
Maintained
Sold
Quarter Market Value Status Shares Change in
Stake 		Trade Value Portfolio Weight Portfolio Position
2026
Q1 		$403K Buy
14,389
+80
+0.6% +$2.62K ﹤0.01% 1221
2025
Q4 		$535K Buy
14,309
+16
+0.1% +$526 ﹤0.01% 1120
2025
Q3 		$394K Buy
+14,293
New +$492K ﹤0.01% 1201

Other funds holding HRMY

BlackRock
BlackRock New York $5.72T AUM 30.48% 1-Year Est. Return
Fidelity Investments
Fidelity Investments Boston, Massachusetts $1.9T AUM 41.92% 1-Year Est. Return
VPM
Vanguard Portfolio Management Malvern, Pennsylvania $1.91T AUM
American Century Companies
American Century Companies Kansas City, Missouri $194B AUM 35% 1-Year Est. Return
VCM
Vanguard Capital Management Malvern, Pennsylvania $4.04T AUM
Dimensional Fund Advisors
Dimensional Fund Advisors Austin, Texas $481B AUM 30.42% 1-Year Est. Return
LSV Asset Management
LSV Asset Management Chicago, Illinois $46.4B AUM 27.74% 1-Year Est. Return
SG Americas Securities
SG Americas Securities New York $92.9B AUM 36.98% 1-Year Est. Return
State Street
State Street Boston, Massachusetts $2.9T AUM 29.55% 1-Year Est. Return
AC
Armistice Capital New York $5.62B AUM 36.06% 1-Year Est. Return

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

William Blair & Company increased its Harmony Biosciences (HRMY) stake by 0.56% in Q1 2026, buying an estimated $2.62K and bringing the position to 14,389 shares worth $403K. The position accounts for ﹤0.01% of the portfolio, ranked #1221.

William Blair & Company first reported a position in HRMY in Q3 2025 and has held it in 3 quarters since. The position peaked at $535K in Q4 2025. 309 funds tracked by Wall St. Rank hold HRMY as of Q1 2026.

  • William Blair & Company held 14,389 shares of Harmony Biosciences worth $403K as of Q1 2026.
  • William Blair & Company bought 80 Harmony Biosciences shares in Q1 2026, an estimated $2.62K.
  • Harmony Biosciences made up ﹤0.01% of William Blair & Company's portfolio in Q1 2026, its #1221 holding.
  • William Blair & Company first reported a position in Harmony Biosciences in Q3 2025 and has held it in 3 quarters since.
  • William Blair & Company's Harmony Biosciences position peaked at $535K in Q4 2025.
  • 309 funds tracked by Wall St. Rank held Harmony Biosciences as of Q1 2026.

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