Ticker · CUSIP 89157D105

TRML

TOURMALINE BIO INC
···Share
Holders (tracked)
7
Combined shares
466,350
Combined value
$21.86M
Last close
Quarter
2025Q3
Tracked holders · last 8 quarters
+3 vs previous quarter over the last 8.
742023Q42025Q3

SEC event timeline

12 events
  1. −95,621 shares · 2025Q4
    13F
  2. −190,625 shares · 2025Q4
    13F
  3. −9,280 shares · 2025Q4
    13F
  4. −63,574 shares · 2025Q4
    13F
  5. −91,850 shares · 2025Q4
    13F
  6. −10,000 shares · 2025Q4
    13F
  7. −53,251 shares · 2025Q3
    13F
  8. −314,580 shares · 2025Q3
    13F
  9. −1,481 shares · 2025Q3
    13F
  10. −17,502 shares · 2025Q3
    13F
  11. +91,850 shares · 2025Q3
    13F
  12. +10,000 shares · 2025Q3
    13F

Insider activity

No insider transactions in the last 30 days.

Who moved on this name in 2025Q3

13F transactions reported for the latest quarter, grouped by direction.
New positions2
Added to0
Trimmed3
Exited1

Institutional ownership over time

Distinct super-investors holding this ticker · combined dollar value, by quarter.
QuarterHoldersCombined value
2023Q4
4
$9.1M
2024Q1
9
$20.2M
2024Q2
7
$32.7M
2024Q3
8
$36.4M
2024Q4
5
$21.3M
2025Q1
7
$14.6M
2025Q2
4
$10.2M
2025Q3
7
$21.9M

Who owns TRML

7 super-investors · 2025Q3
Tracked stake
466.4K
shares
Combined value
$22M
% of shares outstanding
shares-out unknown
Quarter action mix
New2Trim3Held2
#ManagerSharesValue
1Izzy Englander
Millennium Mgmt
190.6K$9M
2Ken Griffin
Citadel Advisors
95.6K$5M
3Renaissance Technologies91.8K$4M
4Wellington Management63.6K$3M
5Mario Gabelli
GAMCO
10.0K$478K
6Ken Griffin
Citadel Advisors
5.4K$258K
7T. Rowe Price9.3K$444

Recent moves

20 transactions
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