Ticker · CUSIP 466032109
Holders (tracked)
9
Combined shares
381,543
Combined value
$34.48M
Last close
$80.53
Quarter
2025Q4
Price · 1Y$80.53-50.75 (-38.66%)H $132.50 · L $74.54 · Avg Vol 214K
Tracked holders · last 8 quarters
-2 vs previous quarter over the last 8.
Price is -10.9% vs the avg quarter-end implied price across tracked holders.
SEC event timeline
17 events
- AQR Capital Management added2026-02-17+54,594 shares · 2025Q4Position
- D.E. Shaw & Co. added2026-02-17+75,694 shares · 2025Q4Position
- T. Rowe Price added2026-02-17+687 shares · 2025Q4Position
- Ken Griffin (Citadel Advisors) trimmed2026-02-17−17,227 shares · 2025Q4Position
- Two Sigma Investments trimmed2026-02-17−94,853 shares · 2025Q4Position
- Izzy Englander (Millennium Mgmt) trimmed2026-02-17−22,077 shares · 2025Q4Position
- Ray Dalio (Bridgewater Associates) added2026-02-13+415 shares · 2025Q4Position
- Renaissance Technologies trimmed2026-02-12−19,050 shares · 2025Q4Position
- AQR Capital Management added2025-11-14+13,162 shares · 2025Q3Position
- Izzy Englander (Millennium Mgmt) trimmed2025-11-14−120,005 shares · 2025Q3Position
- Two Sigma Investments added2025-11-14+97,108 shares · 2025Q3Position
- D.E. Shaw & Co. added2025-11-14+21,748 shares · 2025Q3Position
- T. Rowe Price added2025-11-14+553 shares · 2025Q3Position
- +2,582 shares · 2025Q3Position
- Renaissance Technologies trimmed2025-11-13−6,850 shares · 2025Q3Position
- Jeremy Grantham (GMO) exited2025-11-13−220,680 shares · 2025Q3Position
- Norges Bank (Norway SWF) added2025-11-12+85,718 shares · 2024Q3Position
Insider activity
No insider transactions in the last 30 days.
Follow-the-investor returns
If you'd copied each holder of JJSF…
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 |
|---|---|---|---|---|
| Ken Griffin (Citadel Advisors) | 2016Q1 | $90.52 | -11.0% | $8.4M |
| AQR Capital Management | 2016Q1 | $93.71 | -14.1% | $5.8M |
| D.E. Shaw & Co. | 2016Q1 | $94.90 | -15.1% | $8.2M |
| Two Sigma Investments | 2016Q1 | $101.55 | -20.7% | $994K |
| Mario Gabelli (GAMCO) | 2016Q1 | $108.29 | -25.6% | $3.5M |
| Izzy Englander (Millennium Mgmt) | 2016Q1 | $129.64 | -37.9% | $998K |
| T. Rowe Price | 2016Q1 | $129.76 | -37.9% | $1.2M |
| Renaissance Technologies | 2016Q1 | $154.60 | -47.9% | $1.3M |
| Ray Dalio (Bridgewater Associates) | 2021Q2 | $156.53 | -48.6% | $241K |
Who moved on this name in 2025Q4
Position changes reported for the latest quarter, grouped by direction.
New positions0
—
Added to4
- D.E. Shaw & Co.+75,694$6.8M
- AQR Capital Management+54,594$4.9M
- Ray Dalio (Bridgewater Associates)+415$38K
- T. Rowe Price+687$62
Trimmed4
- Two Sigma Investments−94,853$8.6M
- Izzy Englander (Millennium Mgmt)−22,077$2.0M
- Renaissance Technologies−19,050$1.7M
- Ken Griffin (Citadel Advisors)−17,227$1.6M
Exited0
—
Institutional ownership over time
Distinct super-investors holding this ticker · combined dollar value, by quarter.
| Quarter | Holders | Combined value |
|---|---|---|
| 2022Q1 | 11 | $20.23B |
| 2022Q2 | 10 | $19.95B |
| 2022Q3 | 10 | $352.2M |
| 2022Q4 | 14 | $408.1M |
| 2023Q1 | 14 | $399.8M |
| 2023Q2 | 14 | $433.3M |
| 2023Q3 | 12 | $441.3M |
| 2023Q4 | 16 | $466.1M |
| 2024Q1 | 11 | $418.0M |
| 2024Q2 | 12 | $467.7M |
| 2024Q3 | 11 | $120.3M |
| 2024Q4 | 11 | $91.9M |
| 2025Q1 | 10 | $54.6M |
| 2025Q2 | 11 | $59.5M |
| 2025Q3 | 11 | $39.2M |
| 2025Q4 | 9 | $34.5M |
Who owns JJSF
9 super-investors · 2025Q4
Tracked stake
381.5K
shares
Combined value
$34M
% of shares outstanding
—
shares-out unknown
Quarter action mix
Added4Trim4Held1
| # | Manager | Shares | Value |
|---|---|---|---|
| 1 | Ken Griffin Citadel Advisors | 104.5K | $9M |
| 2 | D.E. Shaw & Co. | 102.1K | $9M |
| 3 | AQR Capital Management | 71.6K | $6M |
| 4 | Mario Gabelli GAMCO | 43.6K | $4M |
| 5 | Renaissance Technologies | 16.7K | $2M |
| 6 | T. Rowe Price | 15.3K | $1M |
| 7 | Izzy Englander Millennium Mgmt | 12.4K | $1M |
| 8 | Two Sigma Investments | 12.3K | $1M |
| 9 | Ray Dalio Bridgewater Associates | 3.0K | $271K |
Recent moves
20 transactions
- −94,853 · 2025Q4
- −17,227 · 2025Q4
- +54,594 · 2025Q4
- +75,694 · 2025Q4
- −22,077 · 2025Q4
- +687 · 2025Q4
- +415 · 2025Q4
- −19,050 · 2025Q4
- +13,162 · 2025Q3
- +97,108 · 2025Q3
- +553 · 2025Q3
- −120,005 · 2025Q3
- +21,748 · 2025Q3
- −6,850 · 2025Q3
- +2,582 · 2025Q3
- −220,680 · 2025Q3
- +85,718 · 2024Q3
- +10,094 · 2025Q2
- TRIMD.E. Shaw & Co.−2,229 · 2025Q2
- +1,011 · 2025Q2
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