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LONA

LeonaBio Inc
LONA

39 hedge funds and large institutions have $43.5M invested in LeonaBio Inc in 2026 Q2 according to their latest regulatory filings, with 8 funds opening new positions, 7 increasing their positions, 5 reducing their positions, and 3 closing their positions.

New
Increased
Maintained
Reduced
Closed

167% more first-time investments, than exits

New positions opened: 8 | Existing positions closed: 3

40% more repeat investments, than reductions

Existing positions increased: 7 | Existing positions reduced: 5

3% less funds holding

Funds holding: 40 → 39 (-1)

18.79% less ownership

Funds ownership: 69.13% → 50.34% (-19%)

34% less capital invested

Capital invested by funds: $66M → $43.5M (-$22.5M)

Holders
39
Holders Change
-1
Holders Change %
-2.5%
% of All Funds
0.48%
Holding in Top 10
–
Holding in Top 10 Change
–
Holding in Top 10 Change %
–
% of All Funds
–
New
8
Increased
7
Reduced
5
Closed
3
Calls
–
Puts
–
Net Calls
–
Net Calls Change
–

Top Buyers

Rank Fund Capital Flow
1
Blackstone Inc
Blackstone Inc
New York
+$3.02M
2
Adage Capital Partners
Adage Capital Partners
Massachusetts
+$2.79M
3
Vanguard Capital Management
Vanguard Capital Management
Pennsylvania
+$749K
4
ACM
ADAR1 Capital Management
Texas
+$462K
5
BlackRock
BlackRock
New York
+$215K

Top Sellers

Rank Fund Capital Flow
1
Osaic Holdings
Osaic Holdings
Arizona
-$14.9K
2
Royal Bank of Canada
Royal Bank of Canada
Ontario, Canada
-$12.9K
3
AGWCA
Annis Gardner Whiting Capital Advisors
Florida
-$10.3K
4
UBS Group
UBS Group
Switzerland
-$10.3K
5
NA
NewEdge Advisors
Louisiana
-$4.21K
Name Holding Trade Value Shares
Change 		Change in
Stake
ACM
1
ADAR1 Capital Management
Texas
$7.14M +$462K +49,619 +7%
ACA
2
Acorn Capital Advisors
New York
$5.83M – – –
CC
3
Commodore Capital
New York
$4.27M – – –
TCM
4
TCG Crossover Management
California
$4.27M – – –
KCM
5
Kalehua Capital Management
Texas
$3.62M – – –
SSC
6
Spruce Street Capital
New York
$3.62M – – –
Blackstone Inc
7
Blackstone Inc
New York
$2.98M +$3.02M +324,638 New
Adage Capital Partners
8
Adage Capital Partners
Massachusetts
$2.76M +$2.79M +300,000 New
Vanguard Capital Management
9
Vanguard Capital Management
Pennsylvania
$2.53M +$749K +80,473 +41%
PBM
10
Propel Bio Management
California
$1.37M – – –
SAM
11
Simplify Asset Management
Nevada
$1.37M – – –
Geode Capital Management
12
Geode Capital Management
Massachusetts
$740K +$884 +95 +0.1%
BlackRock
13
BlackRock
New York
$728K +$215K +23,135 +41%
Renaissance Technologies
14
Renaissance Technologies
New York
$712K +$123K +13,202 +21%
Vanguard Fiduciary Trust
15
Vanguard Fiduciary Trust
Pennsylvania
$393K +$25.8K +2,775 +7%
LNWTC
16
Laird Norton Wetherby Trust Company
Washington
$201K – – –
State Street
17
State Street
Massachusetts
$150K – – –
Dimensional Fund Advisors
18
Dimensional Fund Advisors
Texas
$135K +$137K +14,728 New
Northern Trust
19
Northern Trust
Illinois
$132K – – –
Two Sigma Investments
20
Two Sigma Investments
New York
$122K – – –
XT
21
XTX Topco
Cayman Islands
$108K +$109K +11,749 New
Acadian Asset Management
22
Acadian Asset Management
Massachusetts
$94K – – –
Citadel Advisors
23
Citadel Advisors
Florida
$91.9K +$93.1K +10,001 New
Osaic Holdings
24
Osaic Holdings
Arizona
$42.1K -$14.9K -1,600 -26%
JP Morgan Chase
25
JP Morgan Chase
New York
$17.8K +$18.6K +2,000 +16,667%
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LONA Hedge Fund Activity: Q2 2026 in Review

39 of the 8,153 institutional investors tracked by Wall St. Rank reported a position in LeonaBio Inc (LONA) for Q2 2026, worth a combined $43.5M — down 34% from $66M a quarter earlier.

Buyers outnumbered sellers: 8 funds opened new LONA positions and 3 closed out — a net gain of 5 holders — while 7 added to existing stakes and 5 trimmed.

The largest buyer was Blackstone Inc, opening a new position worth an estimated $3.02M. The largest seller was Osaic Holdings, cutting an estimated $14.9K.

  • 39 institutional investors held LeonaBio Inc (LONA) as of Q2 2026, down from 40 in Q1 2026.
  • Funds reported $43.5M of LeonaBio Inc stock for Q2 2026, down 34% quarter-over-quarter.
  • 8 funds opened new LeonaBio Inc positions in Q2 2026 and 3 closed out, a net change of +5 holders.
  • The largest LeonaBio Inc buyer in Q2 2026 was Blackstone Inc, an estimated $3.02M added.
  • The largest LeonaBio Inc seller in Q2 2026 was Osaic Holdings, an estimated $14.9K sold.

Based on aggregated 13F filings for Q2 2026.