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THRD

Third Harmonic Bio

Delisted

THRD was delisted on the 30th of July, 2025.

99 hedge funds and large institutions have $134M invested in Third Harmonic Bio in 2025 Q1 according to their latest regulatory filings, with 32 funds opening new positions, 36 increasing their positions, 13 reducing their positions, and 29 closing their positions.

New
Increased
Maintained
Reduced
Closed

262% more call options, than puts

Call options by funds: $286K | Put options by funds: $79K

177% more repeat investments, than reductions

Existing positions increased: 36 | Existing positions reduced: 13

50% more funds holding in top 10

Funds holding in top 10: 23 (+1)

10% more first-time investments, than exits

New positions opened: 32 | Existing positions closed: 29

3% more funds holding

Funds holding: 9699 (+3)

13.83% less ownership

Funds ownership: 99.76%85.93% (-14%)

71% less capital invested

Capital invested by funds: $463M → $134M (-$328M)

Holders
99
Holders Change
+3
Holders Change %
+3.13%
% of All Funds
1.33%
Holding in Top 10
3
Holding in Top 10 Change
+1
Holding in Top 10 Change %
+50%
% of All Funds
0.04%
New
32
Increased
36
Reduced
13
Closed
29
Calls
$286K
Puts
$79K
Net Calls
+$207K
Net Calls Change
+$206K
Name Holding Trade Value Shares
Change
Change in
Stake
EC
101
EcoR1 Capital
California
-$32.7M -3,182,444 Closed
T. Rowe Price Investment Management
102
T. Rowe Price Investment Management
Maryland
-$30.1M -2,929,498 Closed
BCM
103
Boxer Capital Management
California
-$20.6M -2,000,000 Closed
DM
104
Deerfield Management
New York
-$10.5M -1,019,700 Closed
RCM
105
RA Capital Management
Massachusetts
-$9.88M -960,620 Closed
T. Rowe Price Associates
106
T. Rowe Price Associates
Maryland
-$3.73M -361,890 Closed
CC
107
Commodore Capital
New York
-$2.45M -237,704 Closed
PHP
108
Parkman Healthcare Partners
Connecticut
-$892K -86,707 Closed
TD Asset Management
109
TD Asset Management
Ontario, Canada
-$889K -86,396 Closed
Wellington Management Group
110
Wellington Management Group
Massachusetts
-$858K -83,392 Closed
UOC
111
UBS O'Connor
Illinois
-$553K -53,740 Closed
ACP
112
Acuta Capital Partners
California
-$512K -49,800 Closed
Manulife (Manufacturers Life Insurance)
113
Manulife (Manufacturers Life Insurance)
Ontario, Canada
-$311K -30,211 Closed
State of Wisconsin Investment Board
114
State of Wisconsin Investment Board
Wisconsin
-$307K -29,800 Closed
PP
115
PDT Partners
New York
-$192K -18,642 Closed
XT
116
XTX Topco
Cayman Islands
-$163K -15,884 Closed
MIM
117
MetLife Investment Management
New Jersey
-$132K -12,859 Closed
QL
118
Quarry LP
New York
-$103K -10,000 Closed
VEA
119
Virtus ETF Advisers
New York
-$65K -6,320 Closed
Macquarie Group
120
Macquarie Group
Australia
-$42 -4,040 Closed
RS
121
R Squared
Hong Kong
-$18.9K -1,840 Closed
AWM
122
Avior Wealth Management
Nebraska
-$15.3K -1,487 Closed
Zurich Cantonal Bank
123
Zurich Cantonal Bank
Switzerland
-$13.1K -1,275 Closed
AAP
124
Arax Advisory Partners
Colorado
-$1.76K -171 Closed
Simplex Trading
125
Simplex Trading
Illinois
-$742 -153 Closed

THRD Hedge Fund Activity: Q1 2025 in Review

99 of the 7,457 institutional investors tracked by Wall St. Rank reported a position in Third Harmonic Bio (THRD) for Q1 2025, worth a combined $134M — down 71% from $463M a quarter earlier.

Buyers outnumbered sellers: 32 funds opened new THRD positions and 29 closed out — a net gain of 3 holders — while 36 added to existing stakes and 13 trimmed.

The largest buyer was BML Capital Management, opening a new position worth an estimated $18.5M. The largest seller was General Atlantic, exiting entirely with an estimated $34.7M sold.

  • 99 institutional investors held Third Harmonic Bio (THRD) as of Q1 2025, up from 96 in Q4 2024.
  • Funds reported $134M of Third Harmonic Bio stock for Q1 2025, down 71% quarter-over-quarter.
  • 32 funds opened new Third Harmonic Bio positions in Q1 2025 and 29 closed out, a net change of +3 holders.
  • The largest Third Harmonic Bio buyer in Q1 2025 was BML Capital Management, an estimated $18.5M added.
  • The largest Third Harmonic Bio seller in Q1 2025 was General Atlantic, an estimated $34.7M sold.

Based on aggregated 13F filings for Q1 2025.