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John Overdeck’s Harmony Biosciences HRMY Stock Holding History

John Overdeck’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 		$34.9M Buy
959,136
+225,693
+31% +$7.12M 0.03% 724
2026
Q1 		$20.5M Buy
733,443
+526,490
+254% +$17.3M 0.02% 931
2025
Q4 		$7.74M Sell
206,953
-18,334
-8% -$603K 0.01% 1313
2025
Q3 		$6.21M Sell
225,287
-13,601
-6% -$469K 0.01% 1289
2025
Q2 		$7.55M Sell
238,888
-106,919
-31% -$3.44M 0.01% 991
2025
Q1 		$11.5M Buy
345,807
+70,213
+25% +$2.52M 0.02% 712
2024
Q4 		$9.48M Buy
275,594
+132,595
+93% +$4.56M 0.02% 775
2024
Q3 		$5.72M Buy
142,999
+49,640
+53% +$1.74M 0.01% 1018
2024
Q2 		$2.82M Buy
93,359
+22,876
+32% +$688K 0.01% 1323
2024
Q1 		$2.37M Buy
70,483
+60,479
+605% +$1.94M 0.01% 1365
2023
Q4 		$323K Sell
10,004
-114,837
-92% -$3.21M ﹤0.01% 2665
2023
Q3 		$4.09M Sell
124,841
-233,252
-65% -$8.1M 0.01% 1004
2023
Q2 		$12.6M Buy
358,093
+129,170
+56% +$4.46M 0.03% 549
2023
Q1 		$7.47M Buy
228,923
+45,577
+25% +$2.08M 0.02% 718
2022
Q4 		$10.1M Buy
183,346
+46,509
+34% +$2.56M 0.03% 551
2022
Q3 		$6.06M Buy
136,837
+101,837
+291% +$4.97M 0.02% 681
2022
Q2 		$1.71M Sell
35,000
-193,000
-85% -$8.69M 0.01% 1275
2022
Q1 		$11.1M Buy
228,000
+216,491
+1,881% +$8.83M 0.03% 576
2021
Q4 		$491K Buy
+11,509
New +$459K ﹤0.01% 3272
2021
Q1 		– Sell
-7,888
Closed -$285K – 4002
2020
Q4 		$285K Buy
+7,888
New +$318K ﹤0.01% 2904

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
California State Teachers Retirement System (CalSTRS)
California State Teachers Retirement System (CalSTRS) West Sacramento, California $782B AUM 28.39% 1-Year Est. Return

John Overdeck's HRMY Position: Q2 2026 in Review

John Overdeck increased its Harmony Biosciences (HRMY) stake by 31% in Q2 2026, buying an estimated $7.12M and bringing the position to 959,136 shares worth $34.9M. The position accounts for 0.03% of the portfolio, ranked #724.

John Overdeck first reported a position in HRMY in Q4 2020 and has held it in 20 quarters since. 325 funds tracked by Wall St. Rank hold HRMY as of Q2 2026.

  • John Overdeck held 959,136 shares of Harmony Biosciences worth $34.9M as of Q2 2026.
  • John Overdeck bought 225,693 Harmony Biosciences shares in Q2 2026, an estimated $7.12M.
  • Harmony Biosciences made up 0.03% of John Overdeck's portfolio in Q2 2026, its #724 holding.
  • John Overdeck first reported a position in Harmony Biosciences in Q4 2020 and has held it in 20 quarters since.
  • 325 funds tracked by Wall St. Rank held Harmony Biosciences as of Q2 2026.

Based on Two Sigma Investments's 13F filing for Q2 2026, filed 14 Aug 2026.