Ticker · CUSIP 45032V207

ISPC

ISPECIMEN INC
···Share
Holders (tracked)
1
Combined shares
153,457
Combined value
$198.0K
Last close
$0.14
Quarter
2025Q3
Tracked holders · last 8 quarters
Flat over the last 2 quarters.
112025Q22025Q3
Price is -89.4% vs the avg quarter-end implied price across tracked holders.

SEC event timeline

2 events
  1. Renaissance Technologies exited2026-02-12
    −153,457 shares · 2025Q4
    Position
  2. Renaissance Technologies opened position2025-11-13
    +153,457 shares · 2025Q3
    Position

Insider activity

No insider transactions in the last 30 days.
View full insider history for ISPC →
Follow-the-investor returns
If you'd copied each holder of ISPC…
Cost basis inferred from each manager's quarter-over-quarter position changes. Sorted by % return on the position they're still holding.
InvestorFirst inCost basisReturnPosition value today
Renaissance Technologies2025Q3$1.29-89.4%$21K

Who moved on this name in 2025Q3

Position changes reported for the latest quarter, grouped by direction.
New positions1
Added to0
—
Trimmed0
—
Exited0
—

Institutional ownership over time

Distinct super-investors holding this ticker · combined dollar value, by quarter.
QuarterHoldersCombined value
2025Q2
1
$19K
2025Q3
1
$198K

Who owns ISPC

1 super-investors · 2025Q3
Tracked stake
153.5K
shares
Combined value
$198K
% of shares outstanding
—
shares-out unknown
Quarter action mix
New1
#ManagerSharesValue
1Renaissance Technologies153.5K$198K

Recent moves

2 transactions
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