Ticker · CUSIP 50180M108
Holders (tracked)
4
Combined shares
451,462
Combined value
$10.05M
Last close
$30.52
Quarter
2025Q4
Price · 1Y$30.52+13.22 (+76.42%)H $30.52 · L $14.61 · Avg Vol 276K
Position opened
Tracked holders · last 8 quarters
-1 vs previous quarter over the last 2.
Price is +37.1% vs the avg quarter-end implied price across tracked holders.
SEC event timeline
10 events
- Ken Griffin (Citadel Advisors) trimmed2026-02-17−131,702 shares · 2025Q4Position
- Two Sigma Investments trimmed2026-02-17−780 shares · 2025Q4Position
- Izzy Englander (Millennium Mgmt) exited2026-02-17−538,169 shares · 2025Q4Position
- T. Rowe Price trimmed2026-02-17−271,570 shares · 2025Q4Position
- Wellington Management exited2026-02-17−344,657 shares · 2025Q4Position
- Norges Bank (Norway SWF) opened position2026-02-10+20,000 shares · 2025Q4Position
- +538,169 shares · 2025Q3Position
- Two Sigma Investments opened position2025-11-14+13,500 shares · 2025Q3Position
- T. Rowe Price opened position2025-11-14+282,644 shares · 2025Q3Position
- Wellington Management opened position2025-11-14+344,657 shares · 2025Q3Position
Insider activity
No insider transactions in the last 30 days.
Follow-the-investor returns
If you'd copied each holder of LBRX…
Cost basis inferred from each manager's quarter-over-quarter position changes. Sorted by % return on the position they're still holding.
| Investor | First in | Cost basis | Return | Position value today |
|---|---|---|---|---|
| Two Sigma Investments | 2025Q3 | $15.79 | +93.3% | $388K |
| Ken Griffin (Citadel Advisors) | 2025Q3 | $15.79 | +93.3% | $12.4M |
| T. Rowe Price | 2025Q3 | $15.79 | +93.3% | $338K |
| Norges Bank (Norway SWF) | 2025Q4 | $22.26 | +37.1% | $610K |
Who moved on this name in 2025Q4
Position changes reported for the latest quarter, grouped by direction.
New positions1
- Norges Bank (Norway SWF)+20,000$445K
Added to0
—
Trimmed3
- Ken Griffin (Citadel Advisors)−131,702$2.9M
- Two Sigma Investments−780$17K
- T. Rowe Price−271,570$6K
Exited2
- Izzy Englander (Millennium Mgmt)−538,169$8.5M
- Wellington Management−344,657$5.4M
Institutional ownership over time
Distinct super-investors holding this ticker · combined dollar value, by quarter.
| Quarter | Holders | Combined value |
|---|---|---|
| 2025Q3 | 5 | $27.1M |
| 2025Q4 | 4 | $10.1M |
Who owns LBRX
4 super-investors · 2025Q4
Tracked stake
451.5K
shares
Combined value
$10M
% of shares outstanding
—
shares-out unknown
Quarter action mix
New1Trim3
| # | Manager | Shares | Value |
|---|---|---|---|
| 1 | Ken Griffin Citadel Advisors | 407.7K | $9M |
| 2 | Norges Bank Norway SWF | 20.0K | $445K |
| 3 | Two Sigma Investments | 12.7K | $283K |
| 4 | T. Rowe Price | 11.1K | $247K |
Recent moves
10 transactions
- −131,702 · 2025Q4
- −780 · 2025Q4
- −538,169 · 2025Q4
- TRIMT. Rowe Price−271,570 · 2025Q4
- −344,657 · 2025Q4
- +20,000 · 2025Q4
- +538,169 · 2025Q3
- +13,500 · 2025Q3
- +282,644 · 2025Q3
- +344,657 · 2025Q3
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