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THRD

Third Harmonic Bio
THRD

Delisted

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

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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: 2 → 3 (+1)

10% more first-time investments, than exits

New positions opened: 32 | Existing positions closed: 29

3% more funds holding

Funds holding: 96 → 99 (+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

Top Buyers

Rank Fund Capital Flow
1
BCM
BML Capital Management
Indiana
+$18.5M
2
NCM
Nantahala Capital Management
Connecticut
+$11.8M
3
TCM
Tang Capital Management
California
+$3.78M
4
NM
Newtyn Management
New York
+$3.08M
5
D.E. Shaw & Co
D.E. Shaw & Co
New York
+$2.73M

Top Sellers

Rank Fund Capital Flow
1
GA
General Atlantic
New York
-$34.7M
2
EC
EcoR1 Capital
California
-$32.7M
3
T. Rowe Price Investment Management
T. Rowe Price Investment Management
Maryland
-$30.1M
4
BCM
Boxer Capital Management
California
-$20.6M
5
Fidelity Investments
Fidelity Investments
Massachusetts
-$12.3M
Name Holding Trade Value Shares
Change 		Change in
Stake
Citadel Advisors
26
Citadel Advisors
Florida
$471K +$142K +29,240 +27%
Squarepoint
27
Squarepoint
New York
$423K +$498K +102,747 +536%
BNP Paribas Financial Markets
28
BNP Paribas Financial Markets
France
$380K +$389K +80,174 +272%
Walleye Capital
29
Walleye Capital
New York
$355K +$261K +53,872 +111%
IC
30
Ikarian Capital
Texas
$347K – – –
ACM
31
ADAR1 Capital Management
Texas
$347K +$485K +100,000 New
Dimensional Fund Advisors
32
Dimensional Fund Advisors
Texas
$326K +$110K +22,684 +32%
FIA
33
FNY Investment Advisers
New York
$315K +$441K +91,052 New
Bank of America
34
Bank of America
North Carolina
$294K +$210K +43,387 +105%
VAM
35
Vazirani Asset Management
New York
$290K +$405K +83,449 New
CSS
36
Cubist Systematic Strategies
Connecticut
$246K +$344K +70,949 New
PCM
37
Prelude Capital Management
New York
$243K +$339K +69,900 New
GCP
38
GSA Capital Partners
United Kingdom
$242K +$338K +69,692 New
QC
39
Quadrature Capital
United Kingdom
$195K +$272K +56,145 New
OBGC
40
O'Brien Greene & Co
Pennsylvania
$194K +$272K +56,000 New
Millennium Management
41
Millennium Management
New York
$179K -$2.85M -588,556 -92%
UBS Group
42
UBS Group
Switzerland
$167K +$169K +34,856 +262%
Two Sigma Investments
43
Two Sigma Investments
New York
$167K +$233K +48,029 New
Bank of New York Mellon
44
Bank of New York Mellon
New York
$159K – – –
WP
45
Woodline Partners
California
$141K +$197K +40,692 New
SO
46
STRS Ohio
Ohio
$137K – – –
Verition Fund Management
47
Verition Fund Management
Connecticut
$137K +$136K +28,150 +250%
N
48
Nuveen
North Carolina
$129K – – –
TPC
49
Takeda Pharmaceutical Company
Japan
$128K – – –
Barclays
50
Barclays
United Kingdom
$122K -$36.2K -7,457 -18%
1
2
3 4 5

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.