Ticker · CUSIP 011659109
Holders (tracked)
19
Combined shares
7,874,164
Combined value
$396.05M
Last close
$45.40
Quarter
2025Q4
Price · 1Y$45.40+0.22 (+0.49%)H $63.86 · L $34.19 · Avg Vol 3.4M
Congress buyCongress sell
Tracked holders · last 8 quarters
+5 vs previous quarter over the last 8.
Price is -9.7% vs the avg quarter-end implied price across tracked holders.
SEC event timeline
24 events
- +25,100 shares · 2025Q4Position
- Ken Griffin (Citadel Advisors) trimmed2026-02-17−710,965 shares · 2025Q4Position
- D.E. Shaw & Co. trimmed2026-02-17−147,015 shares · 2025Q4Position
- AQR Capital Management trimmed2026-02-17−817,030 shares · 2025Q4Position
- Two Sigma Investments added2026-02-17+320,006 shares · 2025Q4Position
- Izzy Englander (Millennium Mgmt) trimmed2026-02-17−203,722 shares · 2025Q4Position
- Steve Cohen (Point72) added2026-02-17+934,711 shares · 2025Q4Position
- T. Rowe Price added2026-02-17+4,247 shares · 2025Q4Position
- Dan Sundheim (D1 Capital) exited2026-02-17−2,338,340 shares · 2025Q4Position
- Ray Dalio (Bridgewater Associates) added2026-02-13+83,636 shares · 2025Q4Position
- +44,862 shares · 2025Q4Position
- Norges Bank (Norway SWF) opened position2026-02-10+181,416 shares · 2025Q4Position
- −419,556 shares · 2025Q3Position
- Steve Cohen (Point72) added2025-11-14+354,725 shares · 2025Q3Position
- Two Sigma Investments added2025-11-14+176,955 shares · 2025Q3Position
- D.E. Shaw & Co. trimmed2025-11-14−808,137 shares · 2025Q3Position
- AQR Capital Management trimmed2025-11-14−485,526 shares · 2025Q3Position
- Izzy Englander (Millennium Mgmt) added2025-11-14+96,858 shares · 2025Q3Position
- Dan Sundheim (D1 Capital) trimmed2025-11-14−804,608 shares · 2025Q3Position
- T. Rowe Price added2025-11-14+3,216 shares · 2025Q3Position
- Norges Bank (Norway SWF) exited2025-11-13−434,211 shares · 2025Q3Position
- Renaissance Technologies exited2025-11-13−75,400 shares · 2025Q3Position
- Ray Dalio (Bridgewater Associates) added2025-11-13+11,333 shares · 2025Q3Position
- Norges Bank (Norway SWF) trimmed2025-11-12−787,731 shares · 2024Q3Position
Insider activity
No insider transactions in the last 30 days.
Follow-the-investor returns
If you'd copied each holder of ALK…
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 |
|---|---|---|---|---|
| AQR Capital Management | 2016Q1 | $45.27 | +0.3% | $7.0M |
| Lee Ainslie (Maverick Capital) | 2016Q1 | $48.47 | -6.3% | $2.0M |
| Ray Dalio (Bridgewater Associates) | 2016Q2 | $49.78 | -8.8% | $12.4M |
| Two Sigma Investments | 2016Q1 | $49.80 | -8.8% | $58.5M |
| Paul Tudor Jones (Tudor Investment) | 2016Q2 | $49.80 | -8.8% | $431K |
| Paul Tudor Jones (Tudor Investment) | 2016Q2 | $49.80 | -8.8% | $431K |
| Ken Griffin (Citadel Advisors) | 2016Q1 | $50.25 | -9.7% | $19.5M |
| Ken Griffin (Citadel Advisors) | 2016Q1 | $50.25 | -9.7% | $19.5M |
| Ken Griffin (Citadel Advisors) | 2016Q1 | $50.25 | -9.7% | $19.5M |
| D.E. Shaw & Co. | 2016Q1 | $50.25 | -9.7% | $2.9M |
| D.E. Shaw & Co. | 2016Q1 | $50.25 | -9.7% | $2.9M |
| Izzy Englander (Millennium Mgmt) | 2016Q2 | $50.27 | -9.7% | $15.0M |
| Izzy Englander (Millennium Mgmt) | 2016Q2 | $50.27 | -9.7% | $15.0M |
| Izzy Englander (Millennium Mgmt) | 2016Q2 | $50.27 | -9.7% | $15.0M |
| Steve Cohen (Point72) | 2016Q2 | $50.51 | -10.1% | $3.0M |
| Steve Cohen (Point72) | 2016Q2 | $50.51 | -10.1% | $3.0M |
| Steve Cohen (Point72) | 2016Q2 | $50.51 | -10.1% | $3.0M |
| T. Rowe Price | 2016Q1 | $57.13 | -20.5% | $4.7M |
| Norges Bank (Norway SWF) | 2016Q1 | $907.43 | -95.0% | $8.2M |
Who moved on this name in 2025Q4
Position changes reported for the latest quarter, grouped by direction.
New positions3
- Norges Bank (Norway SWF)+181,416$9.1M
- Lee Ainslie (Maverick Capital)+44,862$2.3M
- Paul Tudor Jones (Tudor Investment)+25,100$1.3M
Added to4
- Steve Cohen (Point72)+934,711$47.0M
- Two Sigma Investments+320,006$16.1M
- Ray Dalio (Bridgewater Associates)+83,636$4.2M
- T. Rowe Price+4,247$214
Trimmed4
- AQR Capital Management−817,030$41.0M
- Ken Griffin (Citadel Advisors)−710,965$35.8M
- Izzy Englander (Millennium Mgmt)−203,722$10.2M
- D.E. Shaw & Co.−147,015$7.4M
Exited1
- Dan Sundheim (D1 Capital)−2,338,340$116.4M
Institutional ownership over time
Distinct super-investors holding this ticker · combined dollar value, by quarter.
| Quarter | Holders | Combined value |
|---|---|---|
| 2022Q1 | 13 | $34.15B |
| 2022Q2 | 12 | $30.26B |
| 2022Q3 | 14 | $496.2M |
| 2022Q4 | 14 | $613.5M |
| 2023Q1 | 18 | $550.2M |
| 2023Q2 | 16 | $824.4M |
| 2023Q3 | 18 | $435.1M |
| 2023Q4 | 13 | $741.8M |
| 2024Q1 | 9 | $943.1M |
| 2024Q2 | 14 | $1.07B |
| 2024Q3 | 18 | $538.5M |
| 2024Q4 | 17 | $561.8M |
| 2025Q1 | 17 | $680.5M |
| 2025Q2 | 19 | $485.8M |
| 2025Q3 | 14 | $501.4M |
| 2025Q4 | 19 | $396.1M |
Congress members trading this stock
| Date | Member | Type | Amount range | Filing |
|---|---|---|---|---|
| 2025-10-22 | Julie Johnson | Sell | $1K – $15K | PDF ↗ |
| 2025-08-08 | Adam Smith | Sell | $1K – $15K | PDF ↗ |
| 2025-06-17 | Lisa McClain | Sell | $1K – $15K | PDF ↗ |
| 2025-06-11 | Lisa McClain | Buy | $1K – $15K | PDF ↗ |
Who owns ALK
19 super-investors · 2025Q4
Tracked stake
7.87M
shares
Combined value
$396M
% of shares outstanding
—
shares-out unknown
Quarter action mix
New4Added6Trim9
| # | Manager | Shares | Value |
|---|---|---|---|
| 1 | Ken Griffin Citadel Advisors | 2.53M | $127M |
| 2 | Steve Cohen Point72 | 1.83M | $92M |
| 3 | Two Sigma Investments | 1.29M | $65M |
| 4 | Ken Griffin Citadel Advisors | 429.9K | $22M |
| 5 | Ken Griffin Citadel Advisors | 341.1K | $17M |
| 6 | Izzy Englander Millennium Mgmt | 331.3K | $17M |
| 7 | Ray Dalio Bridgewater Associates | 272.9K | $14M |
| 8 | Norges Bank Norway SWF | 181.4K | $9M |
| 9 | AQR Capital Management | 153.6K | $8M |
| 10 | Steve Cohen Point72 | 137.1K | $7M |
| 11 | T. Rowe Price | 102.5K | $5M |
| 12 | Steve Cohen Point72 | 66.6K | $3M |
| 13 | D.E. Shaw & Co. | 64.2K | $3M |
| 14 | Izzy Englander Millennium Mgmt | 47.6K | $2M |
| 15 | Lee Ainslie Maverick Capital | 44.9K | $2M |
| 16 | Izzy Englander Millennium Mgmt | 25.7K | $1M |
| 17 | Paul Tudor Jones Tudor Investment | 15.6K | $785K |
| 18 | Paul Tudor Jones Tudor Investment | 9.5K | $478K |
| 19 | D.E. Shaw & Co. | 5.4K | $273K |
Recent moves
20 transactions
- −2,338,340 · 2025Q4
- +25,100 · 2025Q4
- −203,722 · 2025Q4
- −817,030 · 2025Q4
- TRIMD.E. Shaw & Co.−147,015 · 2025Q4
- +934,711 · 2025Q4
- −710,965 · 2025Q4
- +320,006 · 2025Q4
- +4,247 · 2025Q4
- +44,862 · 2025Q4
- +83,636 · 2025Q4
- +181,416 · 2025Q4
- −419,556 · 2025Q3
- +354,725 · 2025Q3
- +3,216 · 2025Q3
- +176,955 · 2025Q3
- TRIMD.E. Shaw & Co.−808,137 · 2025Q3
- +96,858 · 2025Q3
- −804,608 · 2025Q3
- −485,526 · 2025Q3
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