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
Q2 		$566K Buy
15,557
+1,168
+8% +$36.8K ﹤0.01% 1178
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 $6.73T AUM 46.02% 1-Year Est. Return
Fidelity Investments
Fidelity Investments Boston, Massachusetts $2.3T AUM 54.33% 1-Year Est. Return
Vanguard Portfolio Management
Vanguard Portfolio Management Malvern, Pennsylvania $2.22T AUM
American Century Companies
American Century Companies Kansas City, Missouri $226B AUM 44.75% 1-Year Est. Return
Dimensional Fund Advisors
Dimensional Fund Advisors Austin, Texas $552B AUM 44.19% 1-Year Est. Return
Vanguard Capital Management
Vanguard Capital Management Malvern, Pennsylvania $4.68T AUM
LSV Asset Management
LSV Asset Management Chicago, Illinois $55.1B AUM 45.38% 1-Year Est. Return
State Street
State Street Boston, Massachusetts $3.37T AUM 44.26% 1-Year Est. Return
AC
Armistice Capital New York $8.17B AUM 68.82% 1-Year Est. Return
Geode Capital Management
Geode Capital Management Boston, Massachusetts $1.88T AUM 44.46% 1-Year Est. Return

William Blair & Company's HRMY Position: Q2 2026 in Review

William Blair & Company increased its Harmony Biosciences (HRMY) stake by 8.1% in Q2 2026, buying an estimated $36.8K and bringing the position to 15,557 shares worth $566K. The position accounts for ﹤0.01% of the portfolio, ranked #1178.

William Blair & Company first reported a position in HRMY in Q3 2025 and has held it in 4 quarters since. 327 funds tracked by Wall St. Rank hold HRMY as of Q2 2026.

  • William Blair & Company held 15,557 shares of Harmony Biosciences worth $566K as of Q2 2026.
  • William Blair & Company bought 1,168 Harmony Biosciences shares in Q2 2026, an estimated $36.8K.
  • Harmony Biosciences made up ﹤0.01% of William Blair & Company's portfolio in Q2 2026, its #1178 holding.
  • William Blair & Company first reported a position in Harmony Biosciences in Q3 2025 and has held it in 4 quarters since.
  • 327 funds tracked by Wall St. Rank held Harmony Biosciences as of Q2 2026.

Based on William Blair & Company's 13F filing for Q2 2026, filed 11 Aug 2026.