Ticker · CUSIP 488445206

ZVRA

KEMPHARM INC
···Share
Holders (tracked)
11
Combined shares
4,310,069
Combined value
$38.33M
Last close
Quarter
2025Q4
Tracked holders · last 8 quarters
+3 vs previous quarter over the last 8.
1182024Q12025Q4

SEC event timeline

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

Insider activity

No insider transactions in the last 30 days.

Who moved on this name in 2025Q4

13F transactions 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
$10K
2022Q4
6
$4.7M
2023Q1
6
$4.6M
2023Q2
5
$12.1M
2023Q3
5
$11.6M
2023Q4
5
$18.8M
2024Q1
8
$15.4M
2024Q2
6
$14.5M
2024Q3
5
$2.4M
2024Q4
7
$3.2M
2025Q1
7
$4.7M
2025Q2
6
$10.2M
2025Q3
8
$23.9M
2025Q4
11
$38.3M

Who owns ZVRA

11 super-investors · 2025Q4
Tracked stake
4.31M
shares
Combined value
$38M
% 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$288

Recent moves

20 transactions
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