PALO ALTO INVESTORS LP

PrivateCIK: 1306923
Location

PALO ALTO, CA

52
Positions
$723.72M
Total AUM (reported)
36.54M
Total Shares

Allocation by class

TOTAL AUM$723.72M52 positions
COM$534.10M73.8%
COM PAR $.01$44.14M6.1%
NOTE 4.000% 5/0$40.83M5.6%
ORD SHS$31.54M4.4%
COM NEW$25.01M3.5%
SHS$23.90M3.3%
COM SHS$9.48M1.3%

Portfolio Concentration

Top 326.5%4–1034.8%11–2530.4%Rest8.4%TOP 1061.3%0%100%
Top 3$191.55M26.5%
4–10$251.92M34.8%
11–25$219.81M30.4%
Rest$60.43M8.4%

Top 3 weight

26.5%

Top 10 weight

61.3%

Voting Authority Distribution

Total shares with voting rights: 36.54M

Sole

Full voting authority

36.54M

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)

Sole52
Shared0
Other0
Dominant voting typeSole · 100.0% of voting shares
Institutional Holdings52
Rows:

PTC THERAPEUTICS INC

SOLE
COM
Shares918.85K
TypeSH
Market value$74.95M
10.36%
Sole
918.85K
Shared
0.00
None
0.00

ACADIA PHARMACEUTICALS INC

SOLE
COM
Shares2.86M
TypeSH
Market value$72.46M
10.01%
Sole
2.86M
Shared
0.00
None
0.00

INSMED INC

SOLE
COM PAR $.01
Shares413.98K
TypeSH
Market value$44.14M
6.10%
Sole
413.98K
Shared
0.00
None
0.00

MIRUM PHARMACEUTICALS INC

SOLE
NOTE 4.000% 5/0
Shares348.81K
TypePRN
Market value$40.83M
5.64%
Sole
348.81K
Shared
0.00
None
0.00

ANAPTYSBIO INC

SOLE
COM
Shares603.49K
TypeSH
Market value$40.74M
5.63%
Sole
603.49K
Shared
0.00
None
0.00

BIOMARIN PHARMACEUTICAL INC

SOLE
COM
Shares682.78K
TypeSH
Market value$39.07M
5.40%
Sole
682.78K
Shared
0.00
None
0.00

DYNE THERAPEUTICS INC

SOLE
COM
Shares1.65M
TypeSH
Market value$36.59M
5.06%
Sole
1.65M
Shared
0.00
None
0.00

UNITED THERAPEUTICS CORP

SOLE
COM
Shares62.59K
TypeSH
Market value$33.91M
4.69%
Sole
62.59K
Shared
0.00
None
0.00

DISC MEDICINE INC

SOLE
COM
Shares416.65K
TypeSH
Market value$30.47M
4.21%
Sole
416.65K
Shared
0.00
None
0.00

BIOGEN INC

SOLE
COM
Shares140.28K
TypeSH
Market value$30.31M
4.19%
Sole
140.28K
Shared
0.00
None
0.00

IOVANCE BIOTHERAPEUTICS INC

SOLE
COM
Shares5.30M
TypeSH
Market value$22.03M
3.04%
Sole
5.30M
Shared
0.00
None
0.00

ULTRAGENYX PHARMACEUTICAL IN

SOLE
COM
Shares596.50K
TypeSH
Market value$19.92M
2.75%
Sole
596.50K
Shared
0.00
None
0.00

NOVOCURE LTD

SOLE
ORD SHS
Shares1.28M
TypeSH
Market value$19.40M
2.68%
Sole
1.28M
Shared
0.00
None
0.00

SYNDAX PHARMACEUTICALS INC

SOLE
COM
Shares864.99K
TypeSH
Market value$18.91M
2.61%
Sole
864.99K
Shared
0.00
None
0.00

ANNEXON INC

SOLE
COM
Shares2.95M
TypeSH
Market value$16.83M
2.33%
Sole
2.95M
Shared
0.00
None
0.00

BICARA THERAPEUTICS INC

SOLE
COM
Shares550.41K
TypeSH
Market value$16.34M
2.26%
Sole
550.41K
Shared
0.00
None
0.00

CAREDX INC

SOLE
COM
Shares531.87K
TypeSH
Market value$15.16M
2.09%
Sole
531.87K
Shared
0.00
None
0.00

CELLDEX THERAPEUTICS INC

SOLE
COM NEW
Shares399.86K
TypeSH
Market value$14.88M
2.06%
Sole
399.86K
Shared
0.00
None
0.00

COMPASS THERAPEUTICS INC

SOLE
COM
Shares5.83M
TypeSH
Market value$12.77M
1.76%
Sole
5.83M
Shared
0.00
None
0.00

ALKERMES PLC

SOLE
SHS
Shares242.56K
TypeSH
Market value$12.71M
1.76%
Sole
242.56K
Shared
0.00
None
0.00

FIRST TRACKS BIOTHERAPEUTICS

SOLE
ORD SHS
Shares603.49K
TypeSH
Market value$12.14M
1.68%
Sole
603.49K
Shared
0.00
None
0.00

PROTHENA CORP PLC

SOLE
SHS
Shares1.14M
TypeSH
Market value$11.19M
1.55%
Sole
1.14M
Shared
0.00
None
0.00

TRAVERE THERAPEUTICS INC

SOLE
COM
Shares167.53K
TypeSH
Market value$9.52M
1.32%
Sole
167.53K
Shared
0.00
None
0.00

TAYSHA GENE THERAPIES INC

SOLE
COM SHS
Shares1.39M
TypeSH
Market value$9.48M
1.31%
Sole
1.39M
Shared
0.00
None
0.00

ACLARIS THERAPEUTICS INC

SOLE
COM
Shares1.61M
TypeSH
Market value$8.54M
1.18%
Sole
1.61M
Shared
0.00
None
0.00
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