LeonaBio Inc
LONA
50 hedge funds and large institutions have $5.3M invested in LeonaBio Inc in 2025 Q2 according to their latest regulatory filings, with 6 funds opening new positions, 11 increasing their positions, 6 reducing their positions, and 8 closing their positions.
83% more repeat investments, than reductions
Existing positions increased: 11 | Existing positions reduced: 6
6% more capital invested
Capital invested by funds: $5M → $5.3M (+$293K)
0% less ownership
Funds ownership: 4.5% → 4.49% (-0%)
6% less funds holding
Funds holding: 53 → 50 (-3)
25% less first-time investments, than exits
New positions opened: 6 | Existing positions closed: 8
Top Buyers
| Rank | Fund | Capital Flow |
|---|---|---|
| 1 |
Citadel Advisors
Miami,
Florida
|
+$45.5K |
| 2 |
UBS Group
Zurich,
Switzerland
|
+$35.9K |
| 3 |
Susquehanna International Group
Bala Cynwyd,
Pennsylvania
|
+$17.5K |
| 4 |
EL
EWA LLC
Pittsbugh,
Pennsylvania
|
+$10.1K |
| 5 |
Osaic Holdings
Scottsdale,
Arizona
|
+$9.23K |
Top Sellers
| Rank | Fund | Capital Flow |
|---|---|---|
| 1 |
BA
Bristlecone Advisors
Bellevue,
Washington
|
-$71.9K |
| 2 |
GCP
GSA Capital Partners
London,
United Kingdom
|
-$25K |
| 3 |
BlackRock
New York
|
-$22.9K |
| 4 |
EIP
Easterly Investment Partners
Beverly,
Massachusetts
|
-$9.54K |
| 5 |
Qube Research & Technologies (QRT)
London,
United Kingdom
|
-$8.04K |
LONA Hedge Fund Activity: Q2 2025 in Review
50 of the 7,612 institutional investors tracked by Wall St. Rank reported a position in LeonaBio Inc (LONA) for Q2 2025, worth a combined $5.3M — up 5.9% from $5M a quarter earlier.
Sellers outnumbered buyers: 8 funds closed out of LONA and 6 opened new positions — a net loss of 2 holders — while 6 trimmed existing stakes and 11 added.
The largest buyer was Citadel Advisors, adding an estimated $45.5K. The largest seller was Bristlecone Advisors, exiting entirely with an estimated $71.9K sold.
- 50 institutional investors held LeonaBio Inc (LONA) as of Q2 2025, down from 53 in Q1 2025.
- Funds reported $5.3M of LeonaBio Inc stock for Q2 2025, up 5.9% quarter-over-quarter.
- 6 funds opened new LeonaBio Inc positions in Q2 2025 and 8 closed out, a net change of -2 holders.
- The largest LeonaBio Inc buyer in Q2 2025 was Citadel Advisors, an estimated $45.5K added.
- The largest LeonaBio Inc seller in Q2 2025 was Bristlecone Advisors, an estimated $71.9K sold.
Based on aggregated 13F filings for Q2 2025.