Pulmonx
LUNG
107 hedge funds and large institutions have $34.1M invested in Pulmonx in 2026 Q2 according to their latest regulatory filings, with 19 funds opening new positions, 36 increasing their positions, 35 reducing their positions, and 25 closing their positions.
3% more repeat investments, than reductions
Existing positions increased: 36 | Existing positions reduced: 35
6% less funds holding
Funds holding: 114 → 107 (-7)
13.23% less ownership
Funds ownership: 75.28% → 62.05% (-13%)
24% less first-time investments, than exits
New positions opened: 19 | Existing positions closed: 25
58% less capital inflows, than outflows
Capital inflows: $5.47M | Capital outflows: $13M
83% less call options, than puts
Call options by funds: $108K | Put options by funds: $640K
Top Buyers
| Rank | Fund | Capital Flow |
|---|---|---|
| 1 |
AC
Almitas Capital
Santa Monica,
California
|
+$1.47M |
| 2 |
Jane Street
New York
|
+$861K |
| 3 |
AQR Capital Management
Greenwich,
Connecticut
|
+$534K |
| 4 |
Marshall Wace
London,
United Kingdom
|
+$318K |
| 5 |
Millennium Management
New York
|
+$289K |
Top Sellers
| Rank | Fund | Capital Flow |
|---|---|---|
| 1 |
BlackRock
New York
|
-$2.45M |
| 2 |
Bank of America
Charlotte,
North Carolina
|
-$1.51M |
| 3 |
Morgan Stanley
New York
|
-$1.47M |
| 4 |
Deutsche Bank
Frankfurt Am Main Ge,
Germany
|
-$1.05M |
| 5 |
ECM
ExodusPoint Capital Management
New York
|
-$992K |
LUNG Hedge Fund Activity: Q2 2026 in Review
107 of the 8,352 institutional investors tracked by Wall St. Rank reported a position in Pulmonx (LUNG) for Q2 2026, worth a combined $34.1M — down 17% from $41M a quarter earlier.
Sellers outnumbered buyers: 25 funds closed out of LUNG and 19 opened new positions — a net loss of 6 holders — while 35 trimmed existing stakes and 36 added.
The largest buyer was Almitas Capital, opening a new position worth an estimated $1.47M. The largest seller was BlackRock, cutting an estimated $2.45M.
- 107 institutional investors held Pulmonx (LUNG) as of Q2 2026, down from 114 in Q1 2026.
- Funds reported $34.1M of Pulmonx stock for Q2 2026, down 17% quarter-over-quarter.
- 19 funds opened new Pulmonx positions in Q2 2026 and 25 closed out, a net change of -6 holders.
- The largest Pulmonx buyer in Q2 2026 was Almitas Capital, an estimated $1.47M added.
- The largest Pulmonx seller in Q2 2026 was BlackRock, an estimated $2.45M sold.
Based on aggregated 13F filings for Q2 2026.