Ticker · CUSIP 47805L101
Holders (tracked)
4
Combined shares
90,990
Combined value
$1.82M
Last close
—
Quarter
2025Q4
Tracked holders · last 8 quarters
+2 vs previous quarter over the last 8.
SEC event timeline
5 events
- Ken Griffin (Citadel Advisors) added2026-02-17+10,922 shares · 2025Q413F
- Izzy Englander (Millennium Mgmt) trimmed2026-02-17−7,550 shares · 2025Q413F
- AQR Capital Management opened position2026-02-17+20,713 shares · 2025Q413F
- Renaissance Technologies opened position2026-02-12+25,900 shares · 2025Q413F
- Izzy Englander (Millennium Mgmt) added2025-11-14+6,716 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 positions2
- Renaissance Technologies+25,900$518K
- AQR Capital Management+20,713$414K
Added to1
- Ken Griffin (Citadel Advisors)+10,922$218K
Trimmed1
- Izzy Englander (Millennium Mgmt)−7,550$151K
Exited0
—
Institutional ownership over time
Distinct super-investors holding this ticker · combined dollar value, by quarter.
| Quarter | Holders | Combined value |
|---|---|---|
| 2022Q2 | 2 | $49.3M |
| 2022Q3 | 1 | $18K |
| 2022Q4 | 1 | $22.3M |
| 2023Q1 | 1 | $16.5M |
| 2023Q2 | 2 | $16.4M |
| 2023Q3 | 1 | $14.4M |
| 2023Q4 | 1 | $19.9M |
| 2024Q1 | 1 | $15.2M |
| 2024Q2 | 1 | $14.9M |
| 2024Q3 | 2 | $585K |
| 2024Q4 | 1 | $330K |
| 2025Q1 | 1 | $278K |
| 2025Q2 | 2 | $501K |
| 2025Q3 | 2 | $813K |
| 2025Q4 | 4 | $1.8M |
Who owns JMSB
4 super-investors · 2025Q4
Tracked stake
91.0K
shares
Combined value
$2M
% of shares outstanding
—
shares-out unknown
Quarter action mix
New2Added1Trim1
| # | Manager | Shares | Value |
|---|---|---|---|
| 1 | Ken Griffin Citadel Advisors | 31.3K | $625K |
| 2 | Renaissance Technologies | 25.9K | $518K |
| 3 | AQR Capital Management | 20.7K | $414K |
| 4 | Izzy Englander Millennium Mgmt | 13.1K | $262K |
Recent moves
19 transactions
- +10,922 · 2025Q4
- −7,550 · 2025Q4
- +20,713 · 2025Q4
- +25,900 · 2025Q4
- +6,716 · 2025Q3
- +13,951 · 2025Q2
- −14,989 · 2024Q4
- +14,989 · 2024Q3
- ADDBlackRock+9,198 · 2024Q2
- TRIMBlackRock−32,507 · 2024Q1
- ADDBlackRock+70,654 · 2023Q4
- ADDBlackRock+1,791 · 2023Q3
- ADDBlackRock+42,582 · 2023Q2
- TRIMBlackRock−9,330 · 2023Q1
- ADDBlackRock+40,463 · 2022Q4
- TRIMBlackRock−1,078 · 2022Q3
- SOLDT. Rowe Price−1,452,547 · 2022Q3
- +1,452,547 · 2022Q2
- NEWBlackRock+734,973 · 2022Q2
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