Jim Simons
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Jim Simons’s LeonaBio Inc LONA Stock Holding History

Jim Simons’s Portfolio LONA Stock Details LONA Fund Activity
Bought
Maintained
Sold
Quarter Market Value Status Shares Change in
Stake 		Trade Value Portfolio Weight Portfolio Position
2026
Q2 		$712K Buy
77,424
+13,202
+21% +$123K ﹤0.01% 2463
2026
Q1 		$660K Sell
64,222
-10,925
-15% -$71K ﹤0.01% 2481
2025
Q4 		$569K Buy
75,147
+23,223
+45% +$106K ﹤0.01% 2527
2025
Q3 		$215K Buy
51,924
+27,824
+115% +$109K ﹤0.01% 3114
2025
Q2 		$72.8K Buy
24,100
+2,200
+10% +$6.23K ﹤0.01% 3345
2025
Q1 		$62.4K Buy
21,900
+1,170
+6% +$5.18K ﹤0.01% 3265
2024
Q4 		$122K Sell
20,730
-24,549
-54% -$139K ﹤0.01% 3258
2024
Q3 		$202K Buy
45,279
+18,130
+67% +$425K ﹤0.01% 3125
2024
Q2 		$719K Buy
27,149
+917
+3% +$21.6K ﹤0.01% 2507
2024
Q1 		$719K Sell
26,232
-308
-1% -$9.8K ﹤0.01% 2686
2023
Q4 		$645K Sell
26,540
-1,750
-6% -$31K ﹤0.01% 2658
2023
Q3 		$571K Sell
28,290
-15,590
-36% -$399K ﹤0.01% 2647
2023
Q2 		$1.29M Buy
43,880
+12,693
+41% +$362K ﹤0.01% 2303
2023
Q1 		$780K Buy
31,187
+22,977
+280% +$740K ﹤0.01% 2632
2022
Q4 		$260K Sell
8,210
-15,290
-65% -$482K ﹤0.01% 3294
2022
Q3 		$698K Buy
+23,500
New +$811K ﹤0.01% 2718
2022
Q2 		– Sell
-3,740
Closed -$505K – 4209
2022
Q1 		$505K Sell
3,740
-7,640
-67% -$806K ﹤0.01% 3185
2021
Q4 		$1.48M Buy
11,380
+6,107
+116% +$772K ﹤0.01% 2371
2021
Q3 		$495K Buy
+5,273
New +$537K ﹤0.01% 2896

Other funds holding LONA

Perceptive Advisors
Perceptive Advisors New York $6.66B AUM 360.84% 1-Year Est. Return
ADAR1 Capital Management
ADAR1 Capital Management Austin, Texas $2.19B AUM 374.99% 1-Year Est. Return
ACA
Acorn Capital Advisors New York $366M AUM 474.6% 1-Year Est. Return
Commodore Capital
Commodore Capital New York $1.68B AUM 375.52% 1-Year Est. Return
NEA Management Company
NEA Management Company Timonium, Maryland $1.59B AUM 234.06% 1-Year Est. Return
TCG Crossover Management
TCG Crossover Management Palo Alto, California $4.16B AUM 983.43% 1-Year Est. Return
KCM
Kalehua Capital Management Dallas, Texas $174M AUM
Spruce Street Capital
Spruce Street Capital New York $510M AUM
Blackstone Inc
Blackstone Inc New York $39B AUM 18.55% 1-Year Est. Return
Adage Capital Partners
Adage Capital Partners Boston, Massachusetts $71.3B AUM 56.8% 1-Year Est. Return

Jim Simons's LONA Position: Q2 2026 in Review

Jim Simons increased its LeonaBio Inc (LONA) stake by 21% in Q2 2026, buying an estimated $123K and bringing the position to 77,424 shares worth $712K. The position accounts for ﹤0.01% of the portfolio, ranked #2463.

Jim Simons first reported a position in LONA in Q3 2021 and has held it in 19 quarters since. The position peaked at $1.48M in Q4 2021. 44 funds tracked by Wall St. Rank hold LONA as of Q2 2026.

  • Jim Simons held 77,424 shares of LeonaBio Inc worth $712K as of Q2 2026.
  • Jim Simons bought 13,202 LeonaBio Inc shares in Q2 2026, an estimated $123K.
  • LeonaBio Inc made up ﹤0.01% of Jim Simons's portfolio in Q2 2026, its #2463 holding.
  • Jim Simons first reported a position in LeonaBio Inc in Q3 2021 and has held it in 19 quarters since.
  • Jim Simons's LeonaBio Inc position peaked at $1.48M in Q4 2021.
  • 44 funds tracked by Wall St. Rank held LeonaBio Inc as of Q2 2026.

Based on Renaissance Technologies's 13F filing for Q2 2026, filed 13 Aug 2026.