LeonaBio Inc
LONA
34 hedge funds and large institutions have $7.62M invested in LeonaBio Inc in 2025 Q3 according to their latest regulatory filings, with 3 funds opening new positions, 6 increasing their positions, 19 reducing their positions, and 19 closing their positions.
44% more capital invested
Capital invested by funds: $5.3M → $7.62M (+$2.33M)
0.14% less ownership
Funds ownership: 4.49% → 4.35% (-0.14%)
32% less funds holding
Funds holding: 50 → 34 (-16)
68% less repeat investments, than reductions
Existing positions increased: 6 | Existing positions reduced: 19
84% less first-time investments, than exits
New positions opened: 3 | Existing positions closed: 19
Top Buyers
| Rank | Fund | Capital Flow |
|---|---|---|
| 1 |
Renaissance Technologies
New York
|
+$109K |
| 2 |
Citadel Advisors
Miami,
Florida
|
+$50.9K |
| 3 |
Susquehanna International Group
Bala Cynwyd,
Pennsylvania
|
+$50.7K |
| 4 |
Focus Partners Wealth
Boston,
Massachusetts
|
+$33K |
| 5 |
Osaic Holdings
Scottsdale,
Arizona
|
+$7.85K |
Top Sellers
| Rank | Fund | Capital Flow |
|---|---|---|
| 1 |
UBS Group
Zurich,
Switzerland
|
-$79.3K |
| 2 |
Qube Research & Technologies (QRT)
London,
United Kingdom
|
-$58.2K |
| 3 |
Bank of America
Charlotte,
North Carolina
|
-$35.3K |
| 4 |
Northern Trust
Chicago,
Illinois
|
-$16.2K |
| 5 |
CGL
Clarius Group LLC
Seattle,
Washington
|
-$16.2K |
LONA Hedge Fund Activity: Q3 2025 in Review
34 of the 7,638 institutional investors tracked by Wall St. Rank reported a position in LeonaBio Inc (LONA) for Q3 2025, worth a combined $7.62M — up 44% from $5.3M a quarter earlier.
Sellers outnumbered buyers: 19 funds closed out of LONA and 3 opened new positions — a net loss of 16 holders — while 19 trimmed existing stakes and 6 added.
The largest buyer was Renaissance Technologies, adding an estimated $109K. The largest seller was UBS Group, cutting an estimated $79.3K.
- 34 institutional investors held LeonaBio Inc (LONA) as of Q3 2025, down from 50 in Q2 2025.
- Funds reported $7.62M of LeonaBio Inc stock for Q3 2025, up 44% quarter-over-quarter.
- 3 funds opened new LeonaBio Inc positions in Q3 2025 and 19 closed out, a net change of -16 holders.
- The largest LeonaBio Inc buyer in Q3 2025 was Renaissance Technologies, an estimated $109K added.
- The largest LeonaBio Inc seller in Q3 2025 was UBS Group, an estimated $79.3K sold.
Based on aggregated 13F filings for Q3 2025.