Ticker · CUSIP 46500E867
Holders (tracked)
1
Combined shares
15,576
Combined value
$141.7K
Last close
$12.20
Quarter
2025Q4
Tracked holders · last 8 quarters
-1 vs previous quarter over the last 3.
Price is +34.1% vs the avg quarter-end implied price across tracked holders.
SEC event timeline
5 events
- +15,576 shares · 2025Q413F
- Two Sigma Investments exited2026-02-17−13,250 shares · 2025Q413F
- −30,241 shares · 2025Q413F
- Two Sigma Investments opened position2025-11-14+13,250 shares · 2025Q313F
- −7,348 shares · 2025Q313F
Insider activity
No insider transactions in the last 30 days.
Follow-the-investor returns
If you'd copied each holder of ISOU…
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 |
|---|---|---|---|---|
| Ken Griffin (Citadel Advisors) | 2025Q4 | $9.10 | +34.1% | $190K |
Who moved on this name in 2025Q4
13F transactions reported for the latest quarter, grouped by direction.
New positions1
- Ken Griffin (Citadel Advisors)+15,576$142K
Added to0
—
Trimmed0
—
Exited2
- Ray Dalio (Bridgewater Associates)−30,241$305K
- Two Sigma Investments−13,250$133K
Institutional ownership over time
Distinct super-investors holding this ticker · combined dollar value, by quarter.
| Quarter | Holders | Combined value |
|---|---|---|
| 2025Q2 | 1 | $267K |
| 2025Q3 | 2 | $437K |
| 2025Q4 | 1 | $142K |
Who owns ISOU
1 super-investors · 2025Q4
Tracked stake
15.6K
shares
Combined value
$142K
% of shares outstanding
—
shares-out unknown
Quarter action mix
New1
| # | Manager | Shares | Value |
|---|---|---|---|
| 1 | Ken Griffin Citadel Advisors | 15.6K | $142K |
Recent moves
6 transactions
- +15,576 · 2025Q4
- −13,250 · 2025Q4
- −30,241 · 2025Q4
- +13,250 · 2025Q3
- −7,348 · 2025Q3
- +37,589 · 2025Q2
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