Third Harmonic Bio
THRD
THRD was delisted on the 30th of July, 2025.
48 hedge funds and large institutions have $173M invested in Third Harmonic Bio in 2023 Q2 according to their latest regulatory filings, with 8 funds opening new positions, 23 increasing their positions, 3 reducing their positions, and 9 closing their positions.
667% more repeat investments, than reductions
Existing positions increased: 23 | Existing positions reduced: 3
16% more capital invested
Capital invested by funds: $150M → $173M (+$23.7M)
0% more funds holding in top 10
Funds holding in top 10: 2 → 2 (0)
0.79% less ownership
Funds ownership: 90.14% → 89.35% (-0.79%)
2% less funds holding
Funds holding: 49 → 48 (-1)
11% less first-time investments, than exits
New positions opened: 8 | Existing positions closed: 9
Top Buyers
| Rank | Fund | Capital Flow |
|---|---|---|
| 1 |
BlackRock
New York
|
+$1.66M |
| 2 |
EC
EcoR1 Capital
San Francisco,
California
|
+$1.36M |
| 3 |
Geode Capital Management
Boston,
Massachusetts
|
+$345K |
| 4 |
State Street
Boston,
Massachusetts
|
+$219K |
| 5 |
Morgan Stanley
New York
|
+$219K |
Top Sellers
| Rank | Fund | Capital Flow |
|---|---|---|
| 1 |
RI
RTW Investments
New York
|
-$2.2M |
| 2 |
SCM
Stonepine Capital Management
Bend,
Oregon
|
-$1.61M |
| 3 |
Wellington Management Group
Boston,
Massachusetts
|
-$1.29M |
| 4 |
Walleye Capital
New York
|
-$206K |
| 5 |
JFG
Jefferies Financial Group
New York
|
-$90.6K |
| Name | Holding | Trade Value |
Shares Change |
Change in Stake |
|
|---|---|---|---|---|---|
|
XT
51
XTX Topco
George Town,
Cayman Islands
| – | -$66.4K | -16,116 | Closed |
|
52
Citadel Advisors
Miami,
Florida
| – | -$44.2K | -10,724 | Closed |
|
|
B
53
Bailard
Foster City,
California
| – | -$42.8K | -10,400 | Closed |
|
54
LPL Financial
San Diego,
California
| – | -$41.2K | -10,000 | Closed |
|
|
EI
55
Ellevest Inc
New York
| – | -$894 | -217 | Closed |
|
56
Toronto Dominion Bank
Toronto, Ontario,
Ontario, Canada
| – | +$148 | +31 | New |
|
57
Carson Wealth (CWM LLC)
Omaha,
Nebraska
| – | +$210 | +44 | New |
|
THRD Hedge Fund Activity: Q2 2023 in Review
48 of the 6,369 institutional investors tracked by Wall St. Rank reported a position in Third Harmonic Bio (THRD) for Q2 2023, worth a combined $173M — up 16% from $150M a quarter earlier.
Sellers outnumbered buyers: 9 funds closed out of THRD and 8 opened new positions — a net loss of 1 holder — while 3 trimmed existing stakes and 23 added.
The largest buyer was BlackRock, adding an estimated $1.66M. The largest seller was RTW Investments, exiting entirely with an estimated $2.2M sold.
- 48 institutional investors held Third Harmonic Bio (THRD) as of Q2 2023, down from 49 in Q1 2023.
- Funds reported $173M of Third Harmonic Bio stock for Q2 2023, up 16% quarter-over-quarter.
- 8 funds opened new Third Harmonic Bio positions in Q2 2023 and 9 closed out, a net change of -1 holder.
- The largest Third Harmonic Bio buyer in Q2 2023 was BlackRock, an estimated $1.66M added.
- The largest Third Harmonic Bio seller in Q2 2023 was RTW Investments, an estimated $2.2M sold.
Based on aggregated 13F filings for Q2 2023.