Ticker · CUSIP 34385P108
Holders (tracked)
8
Combined shares
66,935,118
Combined value
$85.46M
Last close
$0.92
Quarter
2025Q4
Tracked holders · last 8 quarters
+1 vs previous quarter over the last 8.
Price is -27.7% vs the avg quarter-end implied price across tracked holders.
SEC event timeline
10 events
- AQR Capital Management trimmed2026-02-17−68,546 shares · 2025Q413F
- Ken Griffin (Citadel Advisors) added2026-02-17+587,918 shares · 2025Q413F
- Steve Cohen (Point72) opened position2026-02-17+143,307 shares · 2025Q413F
- T. Rowe Price added2026-02-17+14,592 shares · 2025Q413F
- Izzy Englander (Millennium Mgmt) added2026-02-17+1,933,853 shares · 2025Q413F
- Cathie Wood (ARK Invest) added2026-02-11+44,937 shares · 2025Q413F
- Izzy Englander (Millennium Mgmt) trimmed2025-11-14−907,230 shares · 2025Q313F
- T. Rowe Price trimmed2025-11-14−52,119 shares · 2025Q313F
- AQR Capital Management trimmed2025-11-14−123,964 shares · 2025Q313F
- Cathie Wood (ARK Invest) trimmed2025-11-12−133,327 shares · 2025Q313F
Insider activity
No insider transactions in the last 30 days.
Follow-the-investor returns
If you'd copied each holder of LAB…
Cost basis inferred from 13F share-delta history. Sorted by % return on the position they're still holding.
| Investor | First in | Cost basis | Return | Position value today |
|---|---|---|---|---|
| T. Rowe Price | 2016Q1 | $0.16 | +478.1% | $159K |
| AQR Capital Management | 2016Q1 | $1.27 | -27.0% | $388K |
| Ken Griffin (Citadel Advisors) | 2016Q1 | $1.28 | -28.1% | $17K |
| Ken Griffin (Citadel Advisors) | 2016Q1 | $1.28 | -28.1% | $17K |
| Izzy Englander (Millennium Mgmt) | 2016Q1 | $1.48 | -37.7% | $3.1M |
| Cathie Wood (ARK Invest) | 2024Q1 | $2.63 | -64.9% | $2.8M |
| Andreas Halvorsen (Viking Global) | 2024Q1 | $2.71 | -65.9% | $54.2M |
| Steve Cohen (Point72) | 2020Q2 | $3.01 | -69.4% | $132K |
Who moved on this name in 2025Q4
13F transactions reported for the latest quarter, grouped by direction.
New positions1
- Steve Cohen (Point72)+143,307$183K
Added to4
- Izzy Englander (Millennium Mgmt)+1,933,853$2.5M
- Ken Griffin (Citadel Advisors)+587,918$753K
- Cathie Wood (ARK Invest)+44,937$58K
- T. Rowe Price+14,592$19
Trimmed1
- AQR Capital Management−68,546$88K
Exited0
—
Institutional ownership over time
Distinct super-investors holding this ticker · combined dollar value, by quarter.
| Quarter | Holders | Combined value |
|---|---|---|
| 2022Q1 | 9 | $28.8M |
| 2022Q2 | 9 | $8.0M |
| 2022Q3 | 8 | $5K |
| 2022Q4 | 9 | $2.6M |
| 2023Q1 | 9 | $4.2M |
| 2023Q2 | 8 | $4.9M |
| 2023Q3 | 9 | $6.1M |
| 2023Q4 | 8 | $7.3M |
| 2024Q1 | 11 | $250.5M |
| 2024Q2 | 11 | $180.4M |
| 2024Q3 | 10 | $145.3M |
| 2024Q4 | 10 | $121.7M |
| 2025Q1 | 7 | $73.1M |
| 2025Q2 | 7 | $78.2M |
| 2025Q3 | 7 | $83.4M |
| 2025Q4 | 8 | $85.5M |
Who owns LAB
8 super-investors · 2025Q4
Tracked stake
66.94M
shares
Combined value
$85M
% of shares outstanding
—
shares-out unknown
Quarter action mix
New1Added5Trim1Held1
| # | Manager | Shares | Value |
|---|---|---|---|
| 1 | Andreas Halvorsen Viking Global | 58.65M | $75M |
| 2 | Izzy Englander Millennium Mgmt | 3.39M | $4M |
| 3 | Cathie Wood ARK Invest | 3.07M | $4M |
| 4 | Ken Griffin Citadel Advisors | 1.08M | $1M |
| 5 | AQR Capital Management | 419.6K | $537K |
| 6 | Steve Cohen Point72 | 143.3K | $183K |
| 7 | Ken Griffin Citadel Advisors | 18.5K | $24K |
| 8 | T. Rowe Price | 172.1K | $221 |
Recent moves
20 transactions
- +1,933,853 · 2025Q4
- −68,546 · 2025Q4
- +587,918 · 2025Q4
- +143,307 · 2025Q4
- +14,592 · 2025Q4
- +44,937 · 2025Q4
- TRIMT. Rowe Price−52,119 · 2025Q3
- −907,230 · 2025Q3
- −123,964 · 2025Q3
- −133,327 · 2025Q3
- +14,193 · 2025Q2
- −2,712,530 · 2025Q2
- +129,151 · 2025Q2
- −297,835 · 2025Q2
- −286,941 · 2025Q1
- +432,725 · 2025Q1
- −2,008,376 · 2025Q1
- +14,000 · 2025Q1
- +129,201 · 2025Q1
- +16,475 · 2024Q4
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