Ticker · CUSIP 482929106

KLRS

KALARIS THERAPEUTICS INC
···Share
Holders (tracked)
2
Combined shares
115,510
Combined value
$974.9K
Last close
$6.32
Quarter
2025Q4
Price · 1Y$6.32-0.67 (-9.59%)H $10.98 · L $2.27 · Avg Vol 146K
Position opened
$2.00$4.00$6.00$8.00$10.00VolJul 25Oct 25Jan 26Apr 26
Tracked holders · last 8 quarters
Flat over the last 4 quarters.
222025Q12025Q4
Price is -25.1% vs the avg quarter-end implied price across tracked holders.

SEC event timeline

5 events
  1. Two Sigma Investments opened position2026-02-17
    +27,759 shares · 2025Q4
    Position
  2. Izzy Englander (Millennium Mgmt) exited2026-02-17
    −24,923 shares · 2025Q4
    Position
  3. Renaissance Technologies trimmed2026-02-12
    −25,000 shares · 2025Q4
    Position
  4. Izzy Englander (Millennium Mgmt) trimmed2025-11-14
    −29,169 shares · 2025Q3
    Position
  5. Renaissance Technologies added2025-11-13
    +16,000 shares · 2025Q3
    Position

Insider activity

No insider transactions in the last 30 days.
View full insider history for KLRS →
Follow-the-investor returns
If you'd copied each holder of KLRS…
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 Technologies2025Q1$4.03+57.0%$555K
Two Sigma Investments2025Q4$8.44-25.1%$175K

Who moved on this name in 2025Q4

Position changes reported for the latest quarter, grouped by direction.
New positions1
Added to0
—
Trimmed1
Exited1

Institutional ownership over time

Distinct super-investors holding this ticker · combined dollar value, by quarter.
QuarterHoldersCombined value
2025Q1
2
$288K
2025Q2
2
$403K
2025Q3
2
$796K
2025Q4
2
$975K

Who owns KLRS

2 super-investors · 2025Q4
Tracked stake
115.5K
shares
Combined value
$975K
% of shares outstanding
—
shares-out unknown
Quarter action mix
New1Trim1
#ManagerSharesValue
1Renaissance Technologies87.8K$741K
2Two Sigma Investments27.8K$234K

Recent moves

9 transactions
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