Ticker · CUSIP 466367109
Holders (tracked)
13
Combined shares
1,099,047
Combined value
$20.13M
Last close
—
Quarter
2025Q4
Tracked holders · last 8 quarters
+2 vs previous quarter over the last 8.
SEC event timeline
17 events
- Ken Griffin (Citadel Advisors) exited2026-02-17−303,043 shares · 2025Q413F
- D.E. Shaw & Co. trimmed2026-02-17−49,046 shares · 2025Q413F
- Two Sigma Investments trimmed2026-02-17−6,018 shares · 2025Q413F
- Steve Cohen (Point72) opened position2026-02-17+59,800 shares · 2025Q413F
- T. Rowe Price added2026-02-17+13,841 shares · 2025Q413F
- +85,300 shares · 2025Q413F
- Izzy Englander (Millennium Mgmt) exited2026-02-17−152,138 shares · 2025Q413F
- AQR Capital Management added2026-02-17+95,125 shares · 2025Q413F
- Renaissance Technologies opened position2026-02-12+115,400 shares · 2025Q413F
- Mario Gabelli (GAMCO) exited2026-02-05−12,291 shares · 2025Q413F
- Two Sigma Investments added2025-11-14+154,002 shares · 2025Q313F
- AQR Capital Management trimmed2025-11-14−10,124 shares · 2025Q313F
- D.E. Shaw & Co. added2025-11-14+107,613 shares · 2025Q313F
- Izzy Englander (Millennium Mgmt) added2025-11-14+128,182 shares · 2025Q313F
- T. Rowe Price added2025-11-14+888 shares · 2025Q313F
- Norges Bank (Norway SWF) trimmed2025-11-12−28,075 shares · 2024Q313F
- Mario Gabelli (GAMCO) trimmed2025-11-12−169 shares · 2025Q313F
Insider activity
No insider transactions in the last 30 days.
Who moved on this name in 2025Q4
13F transactions reported for the latest quarter, grouped by direction.
New positions3
- Renaissance Technologies+115,400$2.2M
- Paul Tudor Jones (Tudor Investment)+85,300$1.6M
- Steve Cohen (Point72)+59,800$1.1M
Added to2
- AQR Capital Management+95,125$1.8M
- T. Rowe Price+13,841$262
Trimmed2
- D.E. Shaw & Co.−49,046$929K
- Two Sigma Investments−6,018$114K
Exited3
- Ken Griffin (Citadel Advisors)−303,043$6.0M
- Izzy Englander (Millennium Mgmt)−152,138$3.0M
- Mario Gabelli (GAMCO)−12,291$243K
Institutional ownership over time
Distinct super-investors holding this ticker · combined dollar value, by quarter.
| Quarter | Holders | Combined value |
|---|---|---|
| 2022Q1 | 9 | $16.31B |
| 2022Q2 | 10 | $9.46B |
| 2022Q3 | 11 | $8.3M |
| 2022Q4 | 12 | $289.5M |
| 2023Q1 | 12 | $355.5M |
| 2023Q2 | 12 | $430.4M |
| 2023Q3 | 13 | $278.7M |
| 2023Q4 | 11 | $306.5M |
| 2024Q1 | 10 | $283.8M |
| 2024Q2 | 15 | $238.5M |
| 2024Q3 | 13 | $54.2M |
| 2024Q4 | 12 | $40.4M |
| 2025Q1 | 11 | $19.4M |
| 2025Q2 | 12 | $16.3M |
| 2025Q3 | 11 | $32.6M |
| 2025Q4 | 13 | $20.1M |
Who owns JACK
13 super-investors · 2025Q4
Tracked stake
1.10M
shares
Combined value
$20M
% of shares outstanding
—
shares-out unknown
Quarter action mix
New5Added2Trim4Sold2
| # | Manager | Shares | Value |
|---|---|---|---|
| 1 | Two Sigma Investments | 230.6K | $4M |
| 2 | D.E. Shaw & Co. | 182.4K | $3M |
| 3 | AQR Capital Management | 118.8K | $2M |
| 4 | Renaissance Technologies | 115.4K | $2M |
| 5 | Ken Griffin Citadel Advisors | 109.8K | $2M |
| 6 | D.E. Shaw & Co. | 93.0K | $2M |
| 7 | Paul Tudor Jones Tudor Investment | 55.4K | $1M |
| 8 | Ken Griffin Citadel Advisors | 47.2K | $894K |
| 9 | Steve Cohen Point72 | 37.0K | $701K |
| 10 | Paul Tudor Jones Tudor Investment | 29.9K | $567K |
| 11 | Steve Cohen Point72 | 22.8K | $432K |
| 12 | D.E. Shaw & Co. | 20.0K | $379K |
| 13 | T. Rowe Price | 36.8K | $698 |
Recent moves
20 transactions
- +59,800 · 2025Q4
- +85,300 · 2025Q4
- +13,841 · 2025Q4
- +95,125 · 2025Q4
- −152,138 · 2025Q4
- −6,018 · 2025Q4
- −303,043 · 2025Q4
- TRIMD.E. Shaw & Co.−49,046 · 2025Q4
- +115,400 · 2025Q4
- −12,291 · 2025Q4
- +888 · 2025Q3
- +107,613 · 2025Q3
- +154,002 · 2025Q3
- +128,182 · 2025Q3
- −10,124 · 2025Q3
- −28,075 · 2024Q3
- −169 · 2025Q3
- −41,926 · 2025Q2
- +47,342 · 2025Q2
- +23,956 · 2025Q2
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