Ticker · CUSIP 488445206

ZVRA

KEMPHARM INC
···Share
Holders (tracked)
11
Combined shares
4,310,069
Combined value
$38.62M
Last close
$10.67
Quarter
2025Q4
Price · 1Y$10.67+3.52 (+49.23%)H $12.79 · L $6.87 · Avg Vol 1.2M
Position opened
$8.00$10.00$12.00VolJul 25Oct 25Jan 26Apr 26
Tracked holders · last 8 quarters
+3 vs previous quarter over the last 8.
1182024Q12025Q4
Price is +19.1% vs the avg quarter-end implied price across tracked holders.

SEC event timeline

13 events
  1. +651,058 shares · 2025Q4
    Position
  2. +137,916 shares · 2025Q4
    Position
  3. +65,636 shares · 2025Q4
    Position
  4. +99,107 shares · 2025Q4
    Position
  5. +3,648 shares · 2025Q4
    Position
  6. −16,957 shares · 2025Q4
    Position
  7. +692,097 shares · 2025Q4
    Position
  8. +28,818 shares · 2025Q4
    Position
  9. +400,431 shares · 2025Q3
    Position
  10. +536,517 shares · 2025Q3
    Position
  11. +2,802 shares · 2025Q3
    Position
  12. +40,982 shares · 2025Q3
    Position
  13. +152,311 shares · 2025Q3
    Position

Insider activity

No insider transactions in the last 30 days.
Follow-the-investor returns
If you'd copied each holder of ZVRA…
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
Wellington Management2024Q1$6.81+56.7%$1.8M
T. Rowe Price2024Q1$7.37+44.8%$343K
Ken Griffin (Citadel Advisors)2021Q2$8.92+19.6%$598K
Ken Griffin (Citadel Advisors)2021Q2$8.92+19.6%$598K
Ken Griffin (Citadel Advisors)2021Q2$8.92+19.6%$598K
Paul Tudor Jones (Tudor Investment)2025Q4$8.96+19.1%$7.4M
Paul Tudor Jones (Tudor Investment)2025Q4$8.96+19.1%$7.4M
Two Sigma Investments2025Q4$8.96+19.1%$700K
Izzy Englander (Millennium Mgmt)2021Q1$8.96+19.1%$12.1M
AQR Capital Management2021Q3$9.21+15.8%$1.9M
D.E. Shaw & Co.2021Q4$9.26+15.3%$9.2M

Who moved on this name in 2025Q4

Position changes reported for the latest quarter, grouped by direction.
New positions2
Trimmed1
Exited0

Institutional ownership over time

Distinct super-investors holding this ticker · combined dollar value, by quarter.
QuarterHoldersCombined value
2022Q1
7
$17.9M
2022Q2
6
$8.5M
2022Q3
5
$9.9M
2022Q4
6
$5.5M
2023Q1
6
$6.0M
2023Q2
5
$12.7M
2023Q3
5
$12.3M
2023Q4
5
$19.9M
2024Q1
8
$16.4M
2024Q2
6
$14.5M
2024Q3
5
$2.5M
2024Q4
7
$3.3M
2025Q1
7
$4.8M
2025Q2
6
$10.4M
2025Q3
8
$24.2M
2025Q4
11
$38.6M

Who owns ZVRA

11 super-investors · 2025Q4
Tracked stake
4.31M
shares
Combined value
$39M
% of shares outstanding
shares-out unknown
Quarter action mix
New3Added7Trim1
#ManagerSharesValue
1Izzy Englander
Millennium Mgmt
1.13M$10M
2D.E. Shaw & Co.863.7K$8M
3Ken Griffin
Citadel Advisors
842.9K$8M
4Paul Tudor Jones
Tudor Investment
692.1K$6M
5AQR Capital Management181.1K$2M
6Wellington Management170.3K$2M
7Ken Griffin
Citadel Advisors
157.2K$1M
8Paul Tudor Jones
Tudor Investment
114.6K$1M
9Two Sigma Investments65.6K$588K
10Ken Griffin
Citadel Advisors
56.0K$502K
11T. Rowe Price32.1K$288K

Recent moves

20 transactions
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