Third Harmonic Bio
THRD
THRD was delisted on the 30th of July, 2025.
4 hedge funds and large institutions have $111K invested in Third Harmonic Bio in 2025 Q4 according to their latest regulatory filings, with 0 funds opening new positions, 0 increasing their positions, 1 reducing their positions, and 14 closing their positions.
9.6% less ownership
Funds ownership: 9.6% → 0% (-9.6%)
78% less funds holding
Funds holding: 18 → 4 (-14)
91% less capital invested
Capital invested by funds: $1.19M → $111K (-$1.08M)
100% less first-time investments, than exits
New positions opened: 0 | Existing positions closed: 14
100% less repeat investments, than reductions
Existing positions increased: 0 | Existing positions reduced: 1
Top Buyers
Top Sellers
| Rank | Fund | Capital Flow |
|---|---|---|
| 1 |
Dimensional Fund Advisors
Austin,
Texas
|
-$505K |
| 2 |
CF
Cantor Fitzgerald
New York
|
-$464K |
| 3 |
MIM
MetLife Investment Management
Whippany,
New Jersey
|
-$90.7K |
| 4 |
JC
JBF Capital
Aspen,
Colorado
|
-$7.5K |
| 5 |
Russell Investments Group
London,
United Kingdom
|
-$4.32K |
| Name | Holding | Trade Value |
Shares Change |
Change in Stake |
|
|---|---|---|---|---|---|
1
RhumbLine Advisers
Boston,
Massachusetts
| $109K | -$2.37K | -440 | -2% |
|
|
GI
2
GAMMA Investing
Foster City,
California
| $2.46K | – | – | – |
|
|
SS
3
SBI Securities
Tokyo,
Japan
| $1 | – | – | – |
|
|
JC
4
JBF Capital
Aspen,
Colorado
| – | -$7.5K | -250,000 | Closed |
|
|
5
Dimensional Fund Advisors
Austin,
Texas
| – | -$505K | -93,939 | Closed |
|
|
CF
6
Cantor Fitzgerald
New York
| – | -$464K | -86,325 | Closed |
|
|
N
7
Nuveen
Charlotte,
North Carolina
| – | -$839 | -27,963 | Closed |
|
|
MIM
8
MetLife Investment Management
Whippany,
New Jersey
| – | -$90.7K | -16,859 | Closed |
|
|
AIP
9
Ameritas Investment Partners
Lincoln,
Nebraska
| – | -$61 | -2,017 | Closed |
|
|
10
Russell Investments Group
London,
United Kingdom
| – | -$4.32K | -803 | Closed |
|
|
AB
11
Amalgamated Bank
New York
| – | -$4K | -665 | Closed |
|
12
Optiver Holding
Amsterdam,
Netherlands
| – | -$1.05K | -196 | Closed |
|
THRD Hedge Fund Activity: Q4 2025 in Review
4 of the 8,225 institutional investors tracked by Wall St. Rank reported a position in Third Harmonic Bio (THRD) for Q4 2025, worth a combined $111K — down 91% from $1.19M a quarter earlier.
Sellers outnumbered buyers: 14 funds closed out of THRD and 0 opened new positions — a net loss of 14 holders — while 1 trimmed existing stakes and 0 added.
The largest seller was Dimensional Fund Advisors, exiting entirely with an estimated $505K sold.
- 4 institutional investors held Third Harmonic Bio (THRD) as of Q4 2025, down from 18 in Q3 2025.
- Funds reported $111K of Third Harmonic Bio stock for Q4 2025, down 91% quarter-over-quarter.
- 0 funds opened new Third Harmonic Bio positions in Q4 2025 and 14 closed out, a net change of -14 holders.
- The largest Third Harmonic Bio seller in Q4 2025 was Dimensional Fund Advisors, an estimated $505K sold.
Based on aggregated 13F filings for Q4 2025.