Ticker · CUSIP 413197104

HRMY

HARMONY BIOSCIENCES HLDGS IN
Healthcare·Biotechnology
···Share
Holders (tracked)
15
Combined shares
3,309,988
Combined value
$123.86M
Last close
$29.99
Quarter
2025Q4
Price · 1Y$29.99+1.53 (+5.38%)H $40.51 · L $25.90 · Avg Vol 770K
Position opened
$30.00$35.00$40.00VolJul 25Oct 25Jan 26Apr 26
Tracked holders · last 8 quarters
+3 vs previous quarter over the last 8.
15112024Q12025Q4
Price is -19.9% vs the avg quarter-end implied price across tracked holders.

SEC event timeline

24 events
  1. Jeremy Grantham (GMO) opened position2026-02-17
    +5,371 shares · 2025Q4
    Position
  2. Ken Griffin (Citadel Advisors) added2026-02-17
    +352,398 shares · 2025Q4
    Position
  3. D.E. Shaw & Co. trimmed2026-02-17
    −78,317 shares · 2025Q4
    Position
  4. Two Sigma Investments trimmed2026-02-17
    −18,334 shares · 2025Q4
    Position
  5. AQR Capital Management added2026-02-17
    +458,321 shares · 2025Q4
    Position
  6. Izzy Englander (Millennium Mgmt) added2026-02-17
    +27,186 shares · 2025Q4
    Position
  7. Steve Cohen (Point72) exited2026-02-17
    −10,100 shares · 2025Q4
    Position
  8. T. Rowe Price added2026-02-17
    +5,011 shares · 2025Q4
    Position
  9. Wellington Management trimmed2026-02-17
    −567 shares · 2025Q4
    Position
  10. Paul Tudor Jones (Tudor Investment) opened position2026-02-17
    +28,802 shares · 2025Q4
    Position
  11. Ray Dalio (Bridgewater Associates) added2026-02-13
    +16,988 shares · 2025Q4
    Position
  12. Renaissance Technologies trimmed2026-02-12
    −66,600 shares · 2025Q4
    Position
  13. Norges Bank (Norway SWF) opened position2026-02-10
    +26,508 shares · 2025Q4
    Position
  14. Steve Cohen (Point72) exited2025-11-14
    −33,778 shares · 2025Q3
    Position
  15. Two Sigma Investments trimmed2025-11-14
    −13,601 shares · 2025Q3
    Position
  16. D.E. Shaw & Co. trimmed2025-11-14
    −60,354 shares · 2025Q3
    Position
  17. AQR Capital Management added2025-11-14
    +203,539 shares · 2025Q3
    Position
  18. Izzy Englander (Millennium Mgmt) added2025-11-14
    +175,221 shares · 2025Q3
    Position
  19. T. Rowe Price added2025-11-14
    +1,616 shares · 2025Q3
    Position
  20. Wellington Management added2025-11-14
    +3,540 shares · 2025Q3
    Position
  21. Ray Dalio (Bridgewater Associates) opened position2025-11-13
    +211,526 shares · 2025Q3
    Position
  22. Renaissance Technologies added2025-11-13
    +207,600 shares · 2025Q3
    Position
  23. Norges Bank (Norway SWF) exited2025-11-13
    −11,123 shares · 2025Q3
    Position
  24. Norges Bank (Norway SWF) added2025-11-12
    +275,631 shares · 2024Q3
    Position

Insider activity

No insider transactions in the last 30 days.
View full insider history for HRMY →
Follow-the-investor returns
If you'd copied each holder of HRMY…
Cost basis inferred from each manager's quarter-over-quarter position changes. Sorted by % return on the position they're still holding.
InvestorFirst inCost basisReturnPosition value today
Ray Dalio (Bridgewater Associates)2025Q3$28.29+6.0%$6.9M
Paul Tudor Jones (Tudor Investment)2020Q3$32.88-8.8%$864K
Renaissance Technologies2021Q2$33.34-10.1%$32.1M
T. Rowe Price2020Q3$34.63-13.4%$1.2M
AQR Capital Management2022Q2$34.67-13.5%$24.4M
Two Sigma Investments2020Q4$34.74-13.7%$6.2M
Ken Griffin (Citadel Advisors)2020Q3$36.80-18.5%$12.6M
Ken Griffin (Citadel Advisors)2020Q3$36.80-18.5%$12.6M
Ken Griffin (Citadel Advisors)2020Q3$36.80-18.5%$12.6M
Izzy Englander (Millennium Mgmt)2020Q3$36.82-18.6%$6.9M
Izzy Englander (Millennium Mgmt)2020Q3$36.82-18.6%$6.9M
Jeremy Grantham (GMO)2025Q4$37.42-19.9%$161K
Norges Bank (Norway SWF)2021Q2$38.30-21.7%$795K
D.E. Shaw & Co.2021Q2$41.27-27.3%$3.4M
Wellington Management2020Q3$42.23-29.0%$561K

Who moved on this name in 2025Q4

Position changes reported for the latest quarter, grouped by direction.
New positions3
Added to5
Trimmed4
Exited1

Institutional ownership over time

Distinct super-investors holding this ticker · combined dollar value, by quarter.
QuarterHoldersCombined value
2022Q1
9
$224.2M
2022Q2
10
$240.0M
2022Q3
11
$279.5M
2022Q4
13
$361.3M
2023Q1
14
$238.0M
2023Q2
15
$301.7M
2023Q3
13
$250.1M
2023Q4
11
$220.2M
2024Q1
11
$253.2M
2024Q2
12
$246.4M
2024Q3
11
$72.5M
2024Q4
10
$116.3M
2025Q1
11
$89.1M
2025Q2
11
$54.8M
2025Q3
12
$71.2M
2025Q4
15
$123.9M

Who owns HRMY

15 super-investors · 2025Q4
Tracked stake
3.31M
shares
Combined value
$124M
% of shares outstanding
—
shares-out unknown
Quarter action mix
New3Added8Trim4
#ManagerSharesValue
1Renaissance Technologies1.07M$40M
2AQR Capital Management813.9K$30M
3Ken Griffin
Citadel Advisors
420.4K$16M
4Izzy Englander
Millennium Mgmt
231.7K$9M
5Ray Dalio
Bridgewater Associates
228.5K$9M
6Two Sigma Investments207.0K$8M
7D.E. Shaw & Co.114.3K$4M
8Ken Griffin
Citadel Advisors
60.5K$2M
9T. Rowe Price41.5K$2M
10Paul Tudor Jones
Tudor Investment
28.8K$1M
11Ken Griffin
Citadel Advisors
27.4K$1M
12Norges Bank
Norway SWF
26.5K$992K
13Wellington Management18.7K$700K
14Izzy Englander
Millennium Mgmt
15.0K$561K
15Jeremy Grantham
GMO
5.4K$201K

Recent moves

20 transactions
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