LONA

Leonabio Inc
Health CareUSCUSIP 04746L203◍ Confluence graph
Tracked 13F Holders
37
-25 QoQ
13F Value (tracked)
$61.1M
Insider Net · 180d
$0
0↑ 0↓
Recent Filings
15
Smart-money sentimentMixed
BearishBullish
13F funds (latest Q)3 adding · 2 trimming
Insider net (180d)$0

Who owns LONA?

37 tracked 13F filers

37 tracked 13F filers disclose a position in LONA as of the latest SEC 13F filings, a combined $61.1M in reported value. Holders and values reflect the 13F filers Arkolith currently tracks, not the entire institutional universe. Counts and totals are a floor, not the full institutional ownership.

All quarters use one ordinary-share-equivalent series. Historical ADS are converted at 2 ADS = 1 ordinary share. Expand a row for the exact calculation; the residual is not classified as a trade.
#FundPosition valueSharesLast moveAs ofHistory
1PERCEPTIVE ADVISORS LLC
$19.1M
1.9M
Held
Q1 2026
2ADAR1 Capital Management, LLC
$7.5M
727K
+85%
Added · +334K sh
Q1 2026
3ACORN CAPITAL ADVISORS, LLC
$5.8M
635K
Held
Q2 2026
4NEA Management Company, LLC
$4.8M
464K
Held
Q1 2026
5Commodore Capital LP
$4.8M
464K
Held
Q1 2026
6TCG Crossover Management, LLC
$4.7M
464K
Held
Q1 2026
7Kalehua Capital Management LLC
$3.6M
394K
Held
Q2 2026
8Spruce Street Capital LP
$3.6M
394K
Held
Q2 2026
9VANGUARD CAPITAL MANAGEMENT LLC
$2.0M
195K
First observed position
No prior filed position
Q1 2026
10Simplify Asset Management Inc.
$1.4M
149K
Held
Q2 2026
11GEODE CAPITAL MANAGEMENT, LLC
$740K
80K
+0.1%
Added · +95 sh
Q2 2026
12RENAISSANCE TECHNOLOGIES LLC
$660K
64K
−15%
Reduced · −11K sh
Q1 2026
13BlackRock, Inc.
$576K
56K
+49%
Added · +18K sh
Q1 2026
14VANGUARD FIDUCIARY TRUST CO
$412K
40K
First observed position
No prior filed position
Q1 2026
15BANK OF AMERICA CORP /DE/
$335K
33K
−0.8%
Reduced · −274 sh
Q1 2026
16MILLENNIUM MANAGEMENT LLC
$326K
32K
−90%
Reduced · −293K sh
Q1 2026
17Laird Norton Wetherby Trust Company, LLC
$201K
22K
Held
Q2 2026
18STATE STREET CORP
$150K
16K
Held
Q2 2026
19NORTHERN TRUST CORP
$148K
14K
+38%
Added · +4K sh
Q1 2026
20TWO SIGMA INVESTMENTS, LP
$136K
13K
+24%
Added · +3K sh
Q1 2026
21CITADEL ADVISORS LLC
$92K
10K
New
+10K sh
Q2 2026
22OSAIC HOLDINGS, INC.
$64K
6K
−33%
Reduced · −3K sh
Q1 2026
23ROYAL BANK OF CANADA
$23K
2K
+566%
Added · +2K sh
Q1 2026
24Vanguard Global Advisers, LLC
$14K
1K
First observed position
No prior filed position
Q1 2026
25UBS Group AG
$13K
1K
−62%
Reduced · −2K sh
Q1 2026

Holders and values reflect the 13F filers Arkolith currently tracks, not the entire institutional universe. Counts and totals are a floor, not the full institutional ownership.

Is LONA being bought or sold by institutions?

Last quarter, 1 fund opened a new position in LONA and 2 added to an existing one, while 2 reduced and 0 exited entirely — based on 13F filings from active, signal-eligible managers (passive index funds and other mechanical holders are excluded from this count).

Opened (NEW)
1
funds
Added
2
funds
Reduced
2
funds
Exited
0
funds

Funds that own LONA also own

CompanyCo-held byCombined value
INTUITIVE SURGICAL INCISRG11 funds$1.2B
UNITEDHEALTH GROUP INCUNH11 funds$1.2B
BOSTON SCIENTIFIC CORPBSX11 funds$1.0B
GUARDANT HEALTH INCGH11 funds$540.1M
ELI LILLY & COLLY11 funds$479.7M
RELAY THERAPEUTICS INCRLAY11 funds$388.3M
CORVUS PHARMACEUTICALS INCCRVS11 funds$93.4M
TESLA INCTSLA10 funds$1.9B
MASTERCARD INC - AMA10 funds$1.4B
BERKSHIRE HATHAWAY INC-CL BBRK/B10 funds$1.2B
BRISTOL-MYERS SQUIBB COBMY10 funds$1.2B
ABBOTT LABORATORIESABT10 funds$930.8M

Ranked by how many of LONA's institutional holders also hold each name, a cross-fund conviction signal.

Insider activity (Form 4)

Full insider page →
Buys · 180d
$0
0 insiders
Sells · 180d
$0
0 insiders
Net
$0
0 P/S txns
Signal
Mixed
open-market
DateInsiderRoleActionSharesValue
Mar 4, 2026Litton Mark JamesPRESIDENT and CEO, DirectorSell (S)5K$28K
Mar 4, 2026San Martin JavierCHIEF MEDICAL OFFICERSell (S)2K$9K
Mar 4, 2026CHURCH KEVINCHIEF SCIENTIFIC OFFICERSell (S)1K$7K
Mar 4, 2026Worthington MarkGENERAL COUNSEL and CCOSell (S)1K$7K
Mar 4, 2026Renninger RobertCHIEF FINANCIAL OFFICERSell (S)906$5K

Institutional ownership over time

12 funds-19 since Q3 2025
02039Q3 2025Q4 2025Q1 2026Q2 2026
funds holding aggregate valuelatest $15.5M

Recent filings

15 shown

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Connected entities for LONA

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Ask your agent what changed in LONA

This stock page is the public Follow view. For one current, evidence-backed answer, use capital_change_brief through REST or MCP. It compares tracked 13F changes with qualifying Form 4 activity and cites the SEC evidence.

Copy-paste
curl -H "Authorization: Bearer YOUR_API_KEY" \
  "https://arkolith.com/api/v1/stocks/LONA/capital-change-brief"
Ask your agent
Use Arkolith's capital_change_brief for LONA.
Tell me what changed, whether insider activity
corroborates it, and cite the SEC evidence.

13F holdings + Form 4 insider transactions + end-of-day price history + the live filing stream, joined for LONA. Filings are public domain, sourced to SEC EDGAR; price series derived from end-of-day closes.