LeonaBio, Inc. (LONA) Institutional Shareholders
LeonaBio, Inc. (LONA) is currently reported in institutional portfolios tracked by InsiderSet based on the latest available SEC Form 13F filings for the quarter ended June 30, 2026. The institutional investors covered on this page collectively reported approximately $66.83M in LONA holdings during the latest filing period.
Perceptive Advisors Llc is currently the largest disclosed institutional shareholder of LONA tracked by InsiderSet, reporting ownership valued at approximately $17.09M in its June 30, 2026 SEC Form 13F filing. Based on current market prices and the latest disclosed share count, the position is now estimated to be worth approximately $12.62M, representing an estimated loss of -26.12% since the filing period.
The top 10 institutional shareholders tracked on this page collectively account for approximately 84% of the total disclosed LONA value among the investors covered in this analysis. Major shareholders include Perceptive Advisors Llc, Adar1 Capital Management, Llc, Acorn Capital Advisors, Llc, and several other long-term asset managers with concentrated positions in LeonaBio, Inc. (LONA).
This page ranks the largest institutional LONA shareholders using publicly disclosed SEC Form 13F data, including reported values, estimated current holding values, portfolio allocation percentages, ownership concentration metrics, and historical holding changes across major hedge funds and investment firms.
Institutional Holders
44
Total Reported Value
$66.83M
Largest Holder
Perceptive Advisors Llc
Largest Position
$17.09M
Insider Transactions (90d)
0
Latest Filing Quarter
Q2 2026
New Institutional Positions
52
Funds Exiting Positions
0
| Name | Investor/Manager | Portfolio % | Quantity | Reported Balance | Current Estimated Value | Gain/loss Since Filing | Estimated Portfolio Performance |
|---|---|---|---|---|---|---|---|
| Perceptive Advisors Llc | 0.27% | 1,859,322 | $17,087,169 | $12,624,796 | -$4,462,373 | -26.12% | |
| Adar1 Capital Management, Llc | 0.34% | 777,100 | $7,141,549 | $5,276,509 | -$1,865,040 | -26.12% | |
| Acorn Capital Advisors, Llc | 1.59% | 634,539 | $5,831,413 | $4,308,520 | -$1,522,893 | -26.12% | |
| Commodore Capital Lp | 0.25% | 464,398 | $4,267,818 | $3,153,262 | -$1,114,556 | -26.12% | |
| Nea Management Company, Llc | 0.27% | 464,398 | $4,267,818 | $3,153,262 | -$1,114,556 | -26.12% | |
| Tcg Crossover Management, Llc | 0.10% | 464,398 | $4,267,818 | $3,153,262 | -$1,114,556 | -26.12% | |
| Kalehua Capital Management Llc | 2.08% | 393,701 | $3,618,112 | $2,673,230 | -$944,882 | -26.12% | |
| Spruce Street Capital Lp | 0.71% | 393,701 | $3,618,112 | $2,673,230 | -$944,882 | -26.12% | |
| Blackstone Inc. | 0.01% | 324,638 | $2,983,423 | $2,204,292 | -$779,131 | -26.12% | |
| Adage Capital Partners Gp, L.L.C. | 0.00% | 300,000 | $2,757,000 | $2,037,000 | -$720,000 | -26.12% | |
| Vanguard Capital Management Llc | 0.00% | 275,233 | $2,529,391 | $1,868,832 | -$660,559 | -26.12% | |
| Seven Fleet Capital Management Lp | 0.23% | 154,153 | $1,416,666 | $1,046,699 | -$369,967 | -26.12% | |
| Propel Bio Management, Llc | 0.72% | 149,279 | $1,371,874 | $1,013,604 | -$358,270 | -26.12% | |
| Simplify Asset Management Inc. | 0.02% | 149,279 | $1,371,874 | $1,013,604 | -$358,270 | -26.12% | |
| Geode Capital Management, Llc | 0.00% | 80,418 | $739,513 | $546,038 | -$193,475 | -26.16% | |
| Blackrock, Inc. | 0.00% | 79,186 | $727,719 | $537,673 | -$190,046 | -26.12% | |
| Renaissance Technologies LLC | Jim Simons | 0.00% | 77,424 | $711,527 | $525,709 | -$185,818 | -26.12% |
| Vanguard Fiduciary Trust Co | 0.00% | 42,814 | $393,461 | $290,707 | -$102,754 | -26.12% | |
| Bank Of America Corp | 0.00% | 32,557 | $299,199 | $221,062 | -$78,137 | -26.12% | |
| Millennium Management Llc | 0.00% | 32,450 | $298,216 | $220,336 | -$77,881 | -26.12% | |
| Laird Norton Wetherby Trust Company, Llc | 0.00% | 21,818 | $200,508 | $148,144 | -$52,364 | -26.12% | |
| State Street Corp | 0.00% | 16,337 | $150,137 | $110,928 | -$39,209 | -26.12% | |
| Dimensional Fund Advisors Lp | 0.00% | 14,728 | $135,351 | $100,003 | -$35,348 | -26.12% | |
| Northern Trust Corp | 0.00% | 14,394 | $132,281 | $97,735 | -$34,546 | -26.12% | |
| Two Sigma Investments, Lp | 0.00% | 13,276 | $122,006 | $90,144 | -$31,862 | -26.12% | |
| Xtx Topco Ltd | 0.00% | 11,749 | $107,973 | $79,776 | -$28,197 | -26.12% | |
| Acadian Asset Management Llc | 0.00% | 10,230 | $94,000 | $69,462 | -$24,538 | -26.10% | |
| Citadel Advisors Llc | 0.00% | 10,001 | $91,909 | $67,907 | -$24,002 | -26.12% | |
| Osaic Holdings, Inc. | 0.00% | 4,580 | $42,090 | $31,098 | -$10,992 | -26.11% | |
| Jpmorgan Chase & Co | 0.00% | 2,012 | $17,826 | $13,661 | -$4,165 | -23.36% | |
| Vanguard Global Advisers, Llc | 0.00% | 1,325 | $12,177 | $8,997 | -$3,180 | -26.12% | |
| Royal Bank Of Canada | 0.00% | 844 | $8,000 | $5,731 | -$2,269 | -28.37% | |
| Tower Research Capital Llc (Trc) | 0.00% | 438 | $4,025 | $2,974 | -$1,051 | -26.11% | |
| American Capital Advisory, Llc | 0.00% | 200 | $1,838 | $1,358 | -$480 | -26.12% | |
| Ubs Group Ag | 0.00% | 196 | $1,802 | $1,331 | -$471 | -26.15% | |
| Rothschild Investment Llc | 0.00% | 150 | $1,379 | $1,019 | -$361 | -26.14% | |
| Mcilrath & Eck, Llc | 0.00% | 82 | $843 | $557 | -$286 | -33.95% | |
| Morgan Stanley | 0.00% | 89 | $818 | $604 | -$214 | -26.12% | |
| Us Bancorp \De\ | 0.00% | 81 | $744 | $550 | -$194 | -26.08% | |
| Barclays Plc | 0.00% | 42 | $386 | $285 | -$101 | -26.12% | |
| Jones Financial Companies Lllp | 0.00% | 33 | $310 | $224 | -$86 | -27.72% | |
| Bnp Paribas Financial Markets | 0.00% | 20 | $184 | $136 | -$48 | -26.20% | |
| Sbi Securities Co., Ltd. | 0.00% | 12 | $110 | $81 | -$29 | -25.93% | |
| Caitong International Asset Management Co., Ltd | 0.00% | 6 | $55 | $41 | -$14 | -25.93% |
Frequently asked questions about LONA
Who owns the most LONA stock?
The largest holders of LONA are typically major institutional investors such as asset managers and hedge funds reporting on Form 13F. The table above ranks tracked superinvestors by reported position size using the latest available filings for LeonaBio, Inc. (LONA).
Is LONA widely held by superinvestors?
Many widely followed stocks like LONA appear across numerous superinvestor portfolios because of liquidity, index inclusion, and fundamentals. The holder count and table above show how broadly LONA is represented among the institutional managers we track.
What do “Current Estimated Value”, “Gain/loss Since Filing”, and “Estimated Portfolio Performance” mean?
Current Estimated Value is reported share quantity from the latest 13F times our most recent split-adjusted U.S. session close. Gain/loss Since Filing is that estimate minus the reported 13F dollar value; Estimated Portfolio Performance is that difference as a percent of the reported value. Green means the estimate is above the filing value; red means below (not purchase cost). If many filers share the same implied filing price per share, the performance % may match across rows. These are not official fund marks or live quotes.