Ticker · CUSIP 04626A103
Holders (tracked)
26
Combined shares
10,222,648
Combined value
$1.70B
Last close
$174.05
Quarter
2025Q4
Price · 1Y$174.05+115.09 (+195.20%)H $251.88 · L $54.42 · Avg Vol 5.4M
Insider sellPosition opened
Tracked holders · last 8 quarters
+6 vs previous quarter over the last 8.
Price is +4.6% vs the avg quarter-end implied price across tracked holders.
SEC event timeline
30 events
- Mohan Jitendra · Chief Executive Officer2026-04-15Sold $35.0K @ $175.03Insider sell
- Mohan Jitendra · Chief Executive Officer2026-04-15Sold $483.0K @ $174.57Insider sell
- Mohan Jitendra · Chief Executive Officer2026-04-10Sold $14.81M @ $149.53Insider sell
- Mohan Jitendra · Chief Executive Officer2026-04-10Sold $3.72M @ $150.25Insider sell
- Steve Cohen (Point72) added2026-02-17+243,800 shares · 2025Q4Position
- T. Rowe Price added2026-02-17+720,844 shares · 2025Q4Position
- Ken Griffin (Citadel Advisors) trimmed2026-02-17−203,448 shares · 2025Q4Position
- D.E. Shaw & Co. trimmed2026-02-17−94,756 shares · 2025Q4Position
- AQR Capital Management trimmed2026-02-17−18,512 shares · 2025Q4Position
- +92,987 shares · 2025Q4Position
- Two Sigma Investments trimmed2026-02-17−630,136 shares · 2025Q4Position
- Wellington Management trimmed2026-02-17−28,338 shares · 2025Q4Position
- Izzy Englander (Millennium Mgmt) trimmed2026-02-17−125,696 shares · 2025Q4Position
- Ray Dalio (Bridgewater Associates) added2026-02-13+223,052 shares · 2025Q4Position
- Lee Ainslie (Maverick Capital) trimmed2026-02-13−56,482 shares · 2025Q4Position
- +3,359 shares · 2025Q4Position
- Renaissance Technologies trimmed2026-02-12−436,900 shares · 2025Q4Position
- Norges Bank (Norway SWF) opened position2026-02-10+349,692 shares · 2025Q4Position
- Baillie Gifford & Co added2026-01-23+22,126 shares · 2025Q4Position
- −222,348 shares · 2025Q3Position
- Izzy Englander (Millennium Mgmt) trimmed2025-11-14−490,959 shares · 2025Q3Position
- AQR Capital Management added2025-11-14+22,609 shares · 2025Q3Position
- Two Sigma Investments added2025-11-14+464,224 shares · 2025Q3Position
- D.E. Shaw & Co. added2025-11-14+516,739 shares · 2025Q3Position
- T. Rowe Price added2025-11-14+386,161 shares · 2025Q3Position
- Wellington Management trimmed2025-11-14−24,277 shares · 2025Q3Position
- Norges Bank (Norway SWF) exited2025-11-13−443,534 shares · 2025Q3Position
- Renaissance Technologies added2025-11-13+93,801 shares · 2025Q3Position
- −62,759 shares · 2025Q3Position
- Norges Bank (Norway SWF) opened position2025-11-12+300,976 shares · 2024Q3Position
Insider activity
Last 30 days
Net (open-market)
−$19.04M
Buys
0 · $0
Sells
4 · $19.04M
Unique insiders
1
| Date | Insider | Code | Shares | Price | Value |
|---|---|---|---|---|---|
| 04-15 | Mohan Jitendra Chief Executive Officer · Officer, Director | S | 200 | $175.03 | $35.0K |
| 04-15 | Mohan Jitendra Chief Executive Officer · Officer, Director | S | 2,767 | $174.57 | $483.0K |
| 04-10 | Mohan Jitendra Chief Executive Officer · Officer, Director | S | 99,023 | $149.53 | $14.81M |
| 04-10 | Mohan Jitendra Chief Executive Officer · Officer, Director | S | 24,727 | $150.25 | $3.72M |
Follow-the-investor returns
If you'd copied each holder of ALAB…
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 |
|---|---|---|---|---|
| Lee Ainslie (Maverick Capital) | 2024Q1 | $71.18 | +144.5% | $169.9M |
| George Soros (Soros Fund Mgmt) | 2024Q1 | $74.19 | +134.6% | $585K |
| Paul Tudor Jones (Tudor Investment) | 2024Q1 | $81.19 | +114.4% | $5.2M |
| Paul Tudor Jones (Tudor Investment) | 2024Q1 | $81.19 | +114.4% | $5.2M |
| Paul Tudor Jones (Tudor Investment) | 2024Q1 | $81.19 | +114.4% | $5.2M |
| Baillie Gifford & Co | 2025Q2 | $97.06 | +79.3% | $44.0M |
| Renaissance Technologies | 2024Q2 | $107.35 | +62.1% | $70.7M |
| Norges Bank (Norway SWF) | 2024Q1 | $116.58 | +49.3% | $60.9M |
| AQR Capital Management | 2024Q4 | $127.15 | +36.9% | $7.7M |
| Ray Dalio (Bridgewater Associates) | 2025Q2 | $160.84 | +8.2% | $41.9M |
| Steve Cohen (Point72) | 2024Q1 | $163.49 | +6.5% | $25.8M |
| Steve Cohen (Point72) | 2024Q1 | $163.49 | +6.5% | $25.8M |
| D.E. Shaw & Co. | 2024Q4 | $167.22 | +4.1% | $426.8M |
| D.E. Shaw & Co. | 2024Q4 | $167.22 | +4.1% | $426.8M |
| D.E. Shaw & Co. | 2024Q4 | $167.22 | +4.1% | $426.8M |
| Izzy Englander (Millennium Mgmt) | 2024Q1 | $167.33 | +4.0% | $40.6M |
| Izzy Englander (Millennium Mgmt) | 2024Q1 | $167.33 | +4.0% | $40.6M |
| Izzy Englander (Millennium Mgmt) | 2024Q1 | $167.33 | +4.0% | $40.6M |
| Two Sigma Investments | 2024Q3 | $168.74 | +3.1% | $5.8M |
| Two Sigma Investments | 2024Q3 | $168.74 | +3.1% | $5.8M |
| Two Sigma Investments | 2024Q3 | $168.74 | +3.1% | $5.8M |
| Ken Griffin (Citadel Advisors) | 2024Q1 | $168.98 | +3.0% | $194.5M |
| Ken Griffin (Citadel Advisors) | 2024Q1 | $168.98 | +3.0% | $194.5M |
| Ken Griffin (Citadel Advisors) | 2024Q1 | $168.98 | +3.0% | $194.5M |
| T. Rowe Price | 2024Q1 | $173.80 | +0.1% | $202.7M |
| Wellington Management | 2024Q3 | $193.73 | -10.2% | $9.7M |
Who moved on this name in 2025Q4
Position changes reported for the latest quarter, grouped by direction.
New positions3
- Norges Bank (Norway SWF)+349,692$58.2M
- Paul Tudor Jones (Tudor Investment)+92,987$15.5M
- George Soros (Soros Fund Mgmt)+3,359$559K
Added to4
- Steve Cohen (Point72)+243,800$40.6M
- Ray Dalio (Bridgewater Associates)+223,052$37.1M
- Baillie Gifford & Co+22,126$3.7M
- T. Rowe Price+720,844$120K
Trimmed8
- Two Sigma Investments−630,136$104.8M
- Renaissance Technologies−436,900$72.7M
- Ken Griffin (Citadel Advisors)−203,448$33.8M
- Izzy Englander (Millennium Mgmt)−125,696$20.9M
- D.E. Shaw & Co.−94,756$15.8M
- Lee Ainslie (Maverick Capital)−56,482$9.4M
- Wellington Management−28,338$4.7M
- AQR Capital Management−18,512$3.1M
Exited0
—
Institutional ownership over time
Distinct super-investors holding this ticker · combined dollar value, by quarter.
| Quarter | Holders | Combined value |
|---|---|---|
| 2024Q1 | 14 | $358.4M |
| 2024Q2 | 9 | $222.0M |
| 2024Q3 | 15 | $284.6M |
| 2024Q4 | 19 | $1.16B |
| 2025Q1 | 20 | $667.1M |
| 2025Q2 | 24 | $752.7M |
| 2025Q3 | 20 | $2.10B |
| 2025Q4 | 26 | $1.70B |
Congress members trading this stock
| Date | Member | Type | Amount range | Filing |
|---|---|---|---|---|
| 2025-02-27 | Rob Bresnahan | Sell | $1K – $15K | PDF ↗ |
| 2025-02-18 | Rob Bresnahan | Sell | $1K – $15K | PDF ↗ |
Who owns ALAB
26 super-investors · 2025Q4
Tracked stake
10.22M
shares
Combined value
$1.70B
% of shares outstanding
—
shares-out unknown
Quarter action mix
New5Added5Trim16
| # | Manager | Shares | Value |
|---|---|---|---|
| 1 | D.E. Shaw & Co. | 2.45M | $408M |
| 2 | T. Rowe Price | 1.16M | $194M |
| 3 | Ken Griffin Citadel Advisors | 1.12M | $186M |
| 4 | Ken Griffin Citadel Advisors | 1.06M | $176M |
| 5 | Lee Ainslie Maverick Capital | 976.0K | $162M |
| 6 | Two Sigma Investments | 633.4K | $105M |
| 7 | Renaissance Technologies | 406.4K | $68M |
| 8 | Norges Bank Norway SWF | 349.7K | $58M |
| 9 | Baillie Gifford & Co | 252.9K | $42M |
| 10 | Izzy Englander Millennium Mgmt | 251.4K | $42M |
| 11 | Ray Dalio Bridgewater Associates | 240.5K | $40M |
| 12 | Izzy Englander Millennium Mgmt | 233.5K | $39M |
| 13 | D.E. Shaw & Co. | 167.7K | $28M |
| 14 | Steve Cohen Point72 | 148.4K | $25M |
| 15 | Ken Griffin Citadel Advisors | 123.0K | $20M |
| 16 | Steve Cohen Point72 | 119.0K | $20M |
| 17 | D.E. Shaw & Co. | 116.7K | $19M |
| 18 | Paul Tudor Jones Tudor Investment | 93.0K | $15M |
| 19 | Paul Tudor Jones Tudor Investment | 85.0K | $14M |
| 20 | Wellington Management | 55.7K | $9M |
| 21 | Two Sigma Investments | 51.7K | $9M |
| 22 | AQR Capital Management | 44.0K | $7M |
| 23 | Two Sigma Investments | 33.5K | $6M |
| 24 | Paul Tudor Jones Tudor Investment | 29.7K | $5M |
| 25 | Izzy Englander Millennium Mgmt | 18.1K | $3M |
| 26 | George Soros Soros Fund Mgmt | 3.4K | $559K |
Recent moves
20 transactions
- −18,512 · 2025Q4
- −630,136 · 2025Q4
- −28,338 · 2025Q4
- +720,844 · 2025Q4
- −203,448 · 2025Q4
- +92,987 · 2025Q4
- −125,696 · 2025Q4
- TRIMD.E. Shaw & Co.−94,756 · 2025Q4
- +243,800 · 2025Q4
- −56,482 · 2025Q4
- +223,052 · 2025Q4
- +3,359 · 2025Q4
- −436,900 · 2025Q4
- +349,692 · 2025Q4
- +22,126 · 2025Q4
- −222,348 · 2025Q3
- +464,224 · 2025Q3
- −490,959 · 2025Q3
- +516,739 · 2025Q3
- +386,161 · 2025Q3
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