Ticker · CUSIP 745848101
Holders (tracked)
9
Combined shares
1,181,439
Combined value
$2.57M
Last close
—
Quarter
2025Q4
Tracked holders · last 8 quarters
+2 vs previous quarter over the last 8.
SEC event timeline
15 events
- Two Sigma Investments added2026-02-17+86,314 shares · 2025Q413F
- Ken Griffin (Citadel Advisors) trimmed2026-02-17−171,919 shares · 2025Q413F
- D.E. Shaw & Co. trimmed2026-02-17−227,983 shares · 2025Q413F
- +22,912 shares · 2025Q413F
- AQR Capital Management added2026-02-17+34,828 shares · 2025Q413F
- Izzy Englander (Millennium Mgmt) trimmed2026-02-17−306,318 shares · 2025Q413F
- Renaissance Technologies trimmed2026-02-12−40,810 shares · 2025Q413F
- −241,051 shares · 2025Q313F
- AQR Capital Management trimmed2025-11-14−9,269 shares · 2025Q313F
- Izzy Englander (Millennium Mgmt) trimmed2025-11-14−830,678 shares · 2025Q313F
- Two Sigma Investments added2025-11-14+15,557 shares · 2025Q313F
- D.E. Shaw & Co. added2025-11-14+299,369 shares · 2025Q313F
- T. Rowe Price trimmed2025-11-14−17,846 shares · 2025Q313F
- Norges Bank (Norway SWF) exited2025-11-13−151,200 shares · 2025Q313F
- Renaissance Technologies added2025-11-13+81,500 shares · 2025Q313F
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 positions1
- Paul Tudor Jones (Tudor Investment)+22,912$51K
Added to2
- Two Sigma Investments+86,314$191K
- AQR Capital Management+34,828$77K
Trimmed4
- Izzy Englander (Millennium Mgmt)−306,318$677K
- D.E. Shaw & Co.−227,983$504K
- Ken Griffin (Citadel Advisors)−171,919$380K
- Renaissance Technologies−40,810$90K
Exited0
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Institutional ownership over time
Distinct super-investors holding this ticker · combined dollar value, by quarter.
| Quarter | Holders | Combined value |
|---|---|---|
| 2022Q1 | 9 | $81.2M |
| 2022Q2 | 10 | $3.48B |
| 2022Q3 | 8 | $3.8M |
| 2022Q4 | 12 | $45.1M |
| 2023Q1 | 12 | $79.4M |
| 2023Q2 | 13 | $108.6M |
| 2023Q3 | 11 | $77.3M |
| 2023Q4 | 12 | $78.7M |
| 2024Q1 | 12 | $64.5M |
| 2024Q2 | 12 | $28.9M |
| 2024Q3 | 11 | $9.0M |
| 2024Q4 | 11 | $8.8M |
| 2025Q1 | 10 | $9.9M |
| 2025Q2 | 9 | $6.3M |
| 2025Q3 | 7 | $2.8M |
| 2025Q4 | 9 | $2.6M |
Who owns LUNG
9 super-investors · 2025Q4
Tracked stake
1.18M
shares
Combined value
$3M
% of shares outstanding
—
shares-out unknown
Quarter action mix
New1Added2Trim5Held1
| # | Manager | Shares | Value |
|---|---|---|---|
| 1 | D.E. Shaw & Co. | 561.3K | $1M |
| 2 | Renaissance Technologies | 292.0K | $645K |
| 3 | Two Sigma Investments | 132.8K | $293K |
| 4 | AQR Capital Management | 58.9K | $130K |
| 5 | Ken Griffin Citadel Advisors | 45.3K | $100K |
| 6 | Izzy Englander Millennium Mgmt | 29.5K | $65K |
| 7 | Paul Tudor Jones Tudor Investment | 22.9K | $51K |
| 8 | Ken Griffin Citadel Advisors | 18.9K | $42K |
| 9 | T. Rowe Price | 19.9K | $44 |
Recent moves
20 transactions
- +22,912 · 2025Q4
- TRIMD.E. Shaw & Co.−227,983 · 2025Q4
- −171,919 · 2025Q4
- +86,314 · 2025Q4
- −306,318 · 2025Q4
- +34,828 · 2025Q4
- −40,810 · 2025Q4
- −241,051 · 2025Q3
- TRIMT. Rowe Price−17,846 · 2025Q3
- −830,678 · 2025Q3
- +299,369 · 2025Q3
- −9,269 · 2025Q3
- +15,557 · 2025Q3
- −151,200 · 2025Q3
- +81,500 · 2025Q3
- +958,048 · 2025Q2
- +1,588 · 2025Q2
- −123,882 · 2025Q2
- +3,325 · 2025Q2
- +36,233 · 2025Q2
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