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TRML

Tourmaline Bio
TRML

Delisted

TRML was delisted on the 27th of October, 2025.

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56 hedge funds and large institutions have $71M invested in Tourmaline Bio in 2022 Q3 according to their latest regulatory filings, with 11 funds opening new positions, 17 increasing their positions, 13 reducing their positions, and 13 closing their positions.

New
Increased
Maintained
Reduced
Closed

31% more repeat investments, than reductions

Existing positions increased: 17 | Existing positions reduced: 13

0.42% less ownership

Funds ownership: 6.97% → 6.55% (-0.42%)

5% less funds holding

Funds holding: 59 → 56 (-3)

15% less first-time investments, than exits

New positions opened: 11 | Existing positions closed: 13

45% less capital invested

Capital invested by funds: $129M → $71M (-$58.2M)

50% less funds holding in top 10

Funds holding in top 10: 2 → 1 (-1)

Holders
56
Holders Change
-3
Holders Change %
-5.08%
% of All Funds
0.96%
Holding in Top 10
1
Holding in Top 10 Change
-1
Holding in Top 10 Change %
-50%
% of All Funds
0.02%
New
11
Increased
17
Reduced
13
Closed
13
Calls
–
Puts
–
Net Calls
–
Net Calls Change
–

Top Buyers

Rank Fund Capital Flow
1
Bank of Montreal
Bank of Montreal
Ontario, Canada
+$1.14M
2
CCM
CAAS Capital Management
New York
+$1.08M
3
Geode Capital Management
Geode Capital Management
Massachusetts
+$354K
4
Millennium Management
Millennium Management
New York
+$194K
5
Acadian Asset Management
Acadian Asset Management
Massachusetts
+$148K

Top Sellers

Rank Fund Capital Flow
1
BlackRock
BlackRock
New York
-$1.94M
2
ACM
Aisling Capital Management
New York
-$1.85M
3
HA
HHLR Advisors
Cayman Islands
-$1.2M
4
SAM
Sectoral Asset Management
Quebec, Canada
-$1.03M
5
CAM
Cormorant Asset Management
Massachusetts
-$998K
Name Holding Trade Value Shares
Change 		Change in
Stake
Mirae Asset Global Investments
26
Mirae Asset Global Investments
South Korea
$78K +$108K +2,967 New
BNP Paribas Financial Markets
27
BNP Paribas Financial Markets
France
$64.4K +$89.2K +2,448 New
Morgan Stanley
28
Morgan Stanley
New York
$51K -$12.8K -351 -15%
Dimensional Fund Advisors
29
Dimensional Fund Advisors
Texas
$47K -$1.46K -40 -2%
Bank of America
30
Bank of America
North Carolina
$47K +$22.9K +629 +54%
JP Morgan Chase
31
JP Morgan Chase
New York
$40K +$5.17K +142 +10%
New York State Common Retirement Fund
32
New York State Common Retirement Fund
New York
$39K +$219 +6 +0.4%
State Board of Administration of Florida Retirement System
33
State Board of Administration of Florida Retirement System
Florida
$38K – – –
PFS
34
Prospera Financial Services
Texas
$34K +$47.2K +1,295 New
Commonwealth Equity Services
35
Commonwealth Equity Services
Massachusetts
$34K +$47.4K +1,300 New
BCM
36
Bridgeway Capital Management
Texas
$30K +$41.9K +1,150 New
AIG
37
American International Group
New York
$29K +$1.64K +45 +4%
SG Americas Securities
38
SG Americas Securities
New York
$27K +$37.9K +1,040 New
California State Teachers Retirement System (CalSTRS)
39
California State Teachers Retirement System (CalSTRS)
California
$24K -$1.78K -49 -5%
Deutsche Bank
40
Deutsche Bank
Germany
$23K -$5.46K -150 -15%
TRCT
41
Tower Research Capital (TRC)
New York
$23K +$19.2K +527 +156%
Barclays
42
Barclays
United Kingdom
$22K -$510 -14 -2%
AB
43
Amalgamated Bank
New York
$7K – – –
Legal & General Group
44
Legal & General Group
United Kingdom
$5K – – –
SO
45
STRS Ohio
Ohio
$5K – – –
Zurich Cantonal Bank
46
Zurich Cantonal Bank
Switzerland
$5K – – –
AIP
47
Ameritas Investment Partners
Nebraska
$4K – – –
Citigroup
48
Citigroup
New York
$2K -$5.1K -140 -61%
Bank of Montreal
49
Bank of Montreal
Ontario, Canada
$1.19K +$1.14M +31,162 +1,389%
Royal Bank of Canada
50
Royal Bank of Canada
Ontario, Canada
$1K +$546 +15 +115%
1
2
3

TRML Hedge Fund Activity: Q3 2022 in Review

56 of the 5,806 institutional investors tracked by Wall St. Rank reported a position in Tourmaline Bio (TRML) for Q3 2022, worth a combined $71M — down 45% from $129M a quarter earlier.

Sellers outnumbered buyers: 13 funds closed out of TRML and 11 opened new positions — a net loss of 2 holders — while 13 trimmed existing stakes and 17 added.

The largest buyer was Bank of Montreal, adding an estimated $1.14M. The largest seller was BlackRock, cutting an estimated $1.94M.

  • 56 institutional investors held Tourmaline Bio (TRML) as of Q3 2022, down from 59 in Q2 2022.
  • Funds reported $71M of Tourmaline Bio stock for Q3 2022, down 45% quarter-over-quarter.
  • 11 funds opened new Tourmaline Bio positions in Q3 2022 and 13 closed out, a net change of -2 holders.
  • The largest Tourmaline Bio buyer in Q3 2022 was Bank of Montreal, an estimated $1.14M added.
  • The largest Tourmaline Bio seller in Q3 2022 was BlackRock, an estimated $1.94M sold.

Based on aggregated 13F filings for Q3 2022.