Ticker · CUSIP 011311107
Holders (tracked)
8
Combined shares
237,618
Combined value
$28.26M
Last close
$167.97
Quarter
2025Q4
Tracked holders · last 8 quarters
-1 vs previous quarter over the last 8.
Price is +41.2% vs the avg quarter-end implied price across tracked holders.
SEC event timeline
19 events
- Ken Griffin (Citadel Advisors) trimmed2026-02-17−102 shares · 2025Q413F
- D.E. Shaw & Co. added2026-02-17+6,309 shares · 2025Q413F
- Two Sigma Investments exited2026-02-17−42,570 shares · 2025Q413F
- Izzy Englander (Millennium Mgmt) exited2026-02-17−2,826 shares · 2025Q413F
- Steve Cohen (Point72) exited2026-02-17−8,077 shares · 2025Q413F
- Wellington Management opened position2026-02-17+77,735 shares · 2025Q413F
- T. Rowe Price added2026-02-17+41,491 shares · 2025Q413F
- +19,000 shares · 2025Q413F
- AQR Capital Management trimmed2026-02-17−696 shares · 2025Q413F
- Renaissance Technologies trimmed2026-02-12−26,000 shares · 2025Q413F
- −1,346 shares · 2025Q313F
- Steve Cohen (Point72) added2025-11-14+3,968 shares · 2025Q313F
- Izzy Englander (Millennium Mgmt) trimmed2025-11-14−39,026 shares · 2025Q313F
- Two Sigma Investments trimmed2025-11-14−14,704 shares · 2025Q313F
- D.E. Shaw & Co. trimmed2025-11-14−16,296 shares · 2025Q313F
- T. Rowe Price added2025-11-14+5,879 shares · 2025Q313F
- AQR Capital Management added2025-11-14+4,920 shares · 2025Q313F
- Renaissance Technologies added2025-11-13+21,700 shares · 2025Q313F
- Norges Bank (Norway SWF) exited2025-11-12−34,940 shares · 2024Q313F
Insider activity
No insider transactions in the last 30 days.
Follow-the-investor returns
If you'd copied each holder of ALG…
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 | $21.19 | +692.7% | $11.6M |
| AQR Capital Management | 2016Q1 | $161.30 | +4.1% | $5.6M |
| Paul Tudor Jones (Tudor Investment) | 2020Q2 | $169.07 | -0.7% | $3.2M |
| Wellington Management | 2016Q1 | $172.64 | -2.7% | $13.1M |
| D.E. Shaw & Co. | 2016Q1 | $177.24 | -5.2% | $3.3M |
| Renaissance Technologies | 2016Q1 | $178.88 | -6.1% | $403K |
| Ken Griffin (Citadel Advisors) | 2016Q4 | $182.08 | -7.8% | $280K |
| Ken Griffin (Citadel Advisors) | 2016Q4 | $182.08 | -7.8% | $280K |
Who moved on this name in 2025Q4
13F transactions reported for the latest quarter, grouped by direction.
New positions2
- Wellington Management+77,735$13.0M
- Paul Tudor Jones (Tudor Investment)+19,000$3.2M
Added to2
- D.E. Shaw & Co.+6,309$1.1M
- T. Rowe Price+41,491$7K
Trimmed3
- Renaissance Technologies−26,000$4.4M
- AQR Capital Management−696$117K
- Ken Griffin (Citadel Advisors)−102$17K
Exited3
- Two Sigma Investments−42,570$8.1M
- Steve Cohen (Point72)−8,077$1.5M
- Izzy Englander (Millennium Mgmt)−2,826$539K
Institutional ownership over time
Distinct super-investors holding this ticker · combined dollar value, by quarter.
| Quarter | Holders | Combined value |
|---|---|---|
| 2022Q1 | 9 | $357.9M |
| 2022Q2 | 10 | $288.9M |
| 2022Q3 | 9 | $210K |
| 2022Q4 | 9 | $238.1M |
| 2023Q1 | 11 | $324.5M |
| 2023Q2 | 11 | $338.8M |
| 2023Q3 | 12 | $315.8M |
| 2023Q4 | 10 | $377.8M |
| 2024Q1 | 8 | $394.5M |
| 2024Q2 | 12 | $313.8M |
| 2024Q3 | 12 | $62.4M |
| 2024Q4 | 10 | $40.2M |
| 2025Q1 | 11 | $64.4M |
| 2025Q2 | 10 | $38.1M |
| 2025Q3 | 9 | $26.4M |
| 2025Q4 | 8 | $28.3M |
Who owns ALG
8 super-investors · 2025Q4
Tracked stake
237.6K
shares
Combined value
$28M
% of shares outstanding
—
shares-out unknown
Quarter action mix
New2Added2Trim4
| # | Manager | Shares | Value |
|---|---|---|---|
| 1 | Wellington Management | 77.7K | $13M |
| 2 | AQR Capital Management | 33.5K | $6M |
| 3 | D.E. Shaw & Co. | 19.5K | $3M |
| 4 | Paul Tudor Jones Tudor Investment | 19.0K | $3M |
| 5 | Ken Griffin Citadel Advisors | 14.5K | $2M |
| 6 | Renaissance Technologies | 2.4K | $403K |
| 7 | Ken Griffin Citadel Advisors | 1.7K | $279K |
| 8 | T. Rowe Price | 69.3K | $12K |
Recent moves
20 transactions
- +19,000 · 2025Q4
- −2,826 · 2025Q4
- −696 · 2025Q4
- +41,491 · 2025Q4
- −102 · 2025Q4
- −8,077 · 2025Q4
- +6,309 · 2025Q4
- +77,735 · 2025Q4
- −42,570 · 2025Q4
- −26,000 · 2025Q4
- −1,346 · 2025Q3
- TRIMD.E. Shaw & Co.−16,296 · 2025Q3
- +4,920 · 2025Q3
- +3,968 · 2025Q3
- +5,879 · 2025Q3
- −14,704 · 2025Q3
- −39,026 · 2025Q3
- +21,700 · 2025Q3
- −34,940 · 2024Q3
- +3,185 · 2025Q2
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