PALO ALTO INVESTORS LP

PrivateCIK: 1306923
Location

PALO ALTO, CA

51
Positions
$653.86M
Total AUM (reported)
34.07M
Total Shares

Allocation by class

TOTAL AUM$653.86M51 positions
COM$515.99M78.9%
COM PAR $.01$67.90M10.4%
SHS$20.32M3.1%
COM NEW$20.30M3.1%
ORD SHS$13.96M2.1%
COM SHS$6.22M1.0%
SPONSORED ADS$3.32M0.5%

Portfolio Concentration

Top 329.8%4–1034.1%11–2527.6%Rest8.5%TOP 1063.8%0%100%
Top 3$194.64M29.8%
4–10$222.83M34.1%
11–25$180.62M27.6%
Rest$55.77M8.5%

Top 3 weight

29.8%

Top 10 weight

63.8%

Voting Authority Distribution

Total shares with voting rights: 34.07M

Sole

Full voting authority

34.07M

shares

% of voting shares100.0%
Shared

Joint voting authority

0.00

shares

% of voting shares0.0%
None

No voting authority

0.00

shares

% of voting shares0.0%

Investment Discretion (by position count)

Sole51
Shared0
Other0
Dominant voting typeSole · 100.0% of voting shares
Institutional Holdings51
Rows:

INSMED INC

SOLE
COM PAR $.01
Shares415.27K
TypeSH
Market value$67.90M
10.39%
Sole
415.27K
Shared
0.00
None
0.00

ACADIA PHARMACEUTICALS INC

SOLE
COM
Shares2.87M
TypeSH
Market value$63.95M
9.78%
Sole
2.87M
Shared
0.00
None
0.00

PTC THERAPEUTICS INC

SOLE
COM
Shares921.61K
TypeSH
Market value$62.79M
9.60%
Sole
921.61K
Shared
0.00
None
0.00

BIOMARIN PHARMACEUTICAL INC

SOLE
COM
Shares685.18K
TypeSH
Market value$38.71M
5.92%
Sole
685.18K
Shared
0.00
None
0.00

UNITED THERAPEUTICS CORP

SOLE
COM
Shares62.81K
TypeSH
Market value$37.24M
5.70%
Sole
62.81K
Shared
0.00
None
0.00

ANAPTYSBIO INC

SOLE
COM
Shares638.16K
TypeSH
Market value$35.39M
5.41%
Sole
638.16K
Shared
0.00
None
0.00

MIRUM PHARMACEUTICALS INC

SOLE
COM
Shares325.18K
TypeSH
Market value$30.04M
4.59%
Sole
325.18K
Shared
0.00
None
0.00

DYNE THERAPEUTICS INC

SOLE
COM
Shares1.65M
TypeSH
Market value$29.97M
4.58%
Sole
1.65M
Shared
0.00
None
0.00

BIOGEN INC

SOLE
COM
Shares140.72K
TypeSH
Market value$25.80M
3.95%
Sole
140.72K
Shared
0.00
None
0.00

DISC MEDICINE INC

SOLE
COM
Shares401.72K
TypeSH
Market value$25.69M
3.93%
Sole
401.72K
Shared
0.00
None
0.00

IOVANCE BIOTHERAPEUTICS INC

SOLE
COM
Shares6.35M
TypeSH
Market value$22.29M
3.41%
Sole
6.35M
Shared
0.00
None
0.00

SYNDAX PHARMACEUTICALS INC

SOLE
COM
Shares864.99K
TypeSH
Market value$20.21M
3.09%
Sole
864.99K
Shared
0.00
None
0.00

ANNEXON INC

SOLE
COM
Shares2.95M
TypeSH
Market value$16.33M
2.50%
Sole
2.95M
Shared
0.00
None
0.00

AMICUS THERAPEUTICS INC

SOLE
COM
Shares1.11M
TypeSH
Market value$16.09M
2.46%
Sole
1.11M
Shared
0.00
None
0.00

NOVOCURE LTD

SOLE
ORD SHS
Shares1.28M
TypeSH
Market value$13.96M
2.13%
Sole
1.28M
Shared
0.00
None
0.00

ULTRAGENYX PHARMACEUTICAL IN

SOLE
COM
Shares596.50K
TypeSH
Market value$12.50M
1.91%
Sole
596.50K
Shared
0.00
None
0.00

PROTHENA CORP PLC

SOLE
SHS
Shares1.21M
TypeSH
Market value$11.75M
1.80%
Sole
1.21M
Shared
0.00
None
0.00

BICARA THERAPEUTICS INC

SOLE
COM
Shares550.41K
TypeSH
Market value$10.95M
1.67%
Sole
550.41K
Shared
0.00
None
0.00

CELLDEX THERAPEUTICS INC

SOLE
COM NEW
Shares296.41K
TypeSH
Market value$9.40M
1.44%
Sole
296.41K
Shared
0.00
None
0.00

CAREDX INC

SOLE
COM
Shares531.87K
TypeSH
Market value$9.23M
1.41%
Sole
531.87K
Shared
0.00
None
0.00

ALKERMES PLC

SOLE
SHS
Shares242.56K
TypeSH
Market value$8.58M
1.31%
Sole
242.56K
Shared
0.00
None
0.00

COMPASS THERAPEUTICS INC

SOLE
COM
Shares1.51M
TypeSH
Market value$8.01M
1.23%
Sole
1.51M
Shared
0.00
None
0.00

AGIOS PHARMACEUTICALS INC

SOLE
COM
Shares213.60K
TypeSH
Market value$7.23M
1.11%
Sole
213.60K
Shared
0.00
None
0.00

ALIGN TECHNOLOGY INC

SOLE
COM
Shares41.52K
TypeSH
Market value$7.12M
1.09%
Sole
41.52K
Shared
0.00
None
0.00

CAPRICOR THERAPEUTICS INC

SOLE
COM NEW
Shares229.76K
TypeSH
Market value$6.98M
1.07%
Sole
229.76K
Shared
0.00
None
0.00
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