Filed: 8/14/2026ACC: 0001104659-26-097191
📋 What this filing means
BAKER BROS. ADVISORS LP filed this quarterly 13F‑HR report disclosing 84 equity positions with a total reported market value of $19.96B. This filing provides a transparent view of the manager's long equity holdings as of the quarter end.
84
Positions
$19.96B
Total AUM (reported)
417.26M
Total Shares
Allocation by class
COM$15.20B76.2%
SPONSORED ADS$2.67B13.4%
COM PAR $.01$937.84M4.7%
SHS$792.62M4.0%
ORD SHS CL A$181.28M0.9%
COM SHS$80.56M0.4%
NOTE 2.75% 8/1/2031$69.16M0.3%
Portfolio Concentration
Top 3$8.14B40.8%
4–10$6.39B32.0%
11–25$3.69B18.5%
Rest$1.74B8.7%
Top 3 weight
40.8%
Top 10 weight
72.8%
Voting Authority Distribution
Total shares with voting rights: 417.26M
Sole
Full voting authority
417.26M
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)
Sole84
Shared0
Other0
Dominant voting typeSole · 100.0% of voting shares
Institutional Holdings84
Rows:
Incyte Corporation
SOLEShares30.76M
TypeSH
Market value$3.49B
17.48%
Sole
30.76M
Shared
0.00
None
0.00
BeOne Medicines Ltd.
SOLEShares8.80M
TypeSH
Market value$2.51B
12.57%
Sole
8.80M
Shared
0.00
None
0.00
Revolution Medicines, Inc.
SOLEShares11.44M
TypeSH
Market value$2.14B
10.74%
Sole
11.44M
Shared
0.00
None
0.00
Madrigal Pharmaceuticals, Inc.
SOLEShares2.14M
TypeSH
Market value$1.15B
5.77%
Sole
2.14M
Shared
0.00
None
0.00
ACADIA Pharmaceuticals Inc.
SOLEShares42.91M
TypeSH
Market value$1.09B
5.44%
Sole
42.91M
Shared
0.00
None
0.00
Kymera Therapeutics, Inc.
SOLEShares8.66M
TypeSH
Market value$992.73M
4.97%
Sole
8.66M
Shared
0.00
None
0.00
Insmed Incorporated
SOLEShares8.80M
TypeSH
Market value$937.84M
4.70%
Sole
8.80M
Shared
0.00
None
0.00
Celcuity Inc.
SOLEShares7.92M
TypeSH
Market value$828.15M
4.15%
Sole
7.92M
Shared
0.00
None
0.00
Kodiak Sciences Inc.
SOLEShares19.92M
TypeSH
Market value$776.05M
3.89%
Sole
19.92M
Shared
0.00
None
0.00
Rhythm Pharmaceuticals, Inc.
SOLEShares5.60M
TypeSH
Market value$622.27M
3.12%
Sole
5.60M
Shared
0.00
None
0.00
Praxis Precision Medicines, Inc.
SOLEShares1.75M
TypeSH
Market value$586.95M
2.94%
Sole
1.75M
Shared
0.00
None
0.00
Alkermes plc
SOLEShares10.01M
TypeSH
Market value$524.59M
2.63%
Sole
10.01M
Shared
0.00
None
0.00
Summit Therapeutics Inc.
SOLEShares32.79M
TypeSH
Market value$477.70M
2.39%
Sole
32.79M
Shared
0.00
None
0.00
GRAIL, Inc.
SOLEShares4.03M
TypeSH
Market value$275.03M
1.38%
Sole
4.03M
Shared
0.00
None
0.00
AbCellera Biologics Inc.
SOLEShares33.01M
TypeSH
Market value$259.15M
1.30%
Sole
33.01M
Shared
0.00
None
0.00
Immunovant, Inc.
SOLEShares5.44M
TypeSH
Market value$209.42M
1.05%
Sole
5.44M
Shared
0.00
None
0.00
IDEAYA Biosciences, Inc.
SOLEShares5.01M
TypeSH
Market value$186.72M
0.94%
Sole
5.01M
Shared
0.00
None
0.00
Kiniksa Pharmaceuticals International, plc
SOLEShares2.83M
TypeSH
Market value$181.28M
0.91%
Sole
2.83M
Shared
0.00
None
0.00
Roivant Sciences Ltd.
SOLEShares4.72M
TypeSH
Market value$166.93M
0.84%
Sole
4.72M
Shared
0.00
None
0.00
Arrowhead Pharmaceuticals, Inc.
SOLEShares1.99M
TypeSH
Market value$162.43M
0.81%
Sole
1.99M
Shared
0.00
None
0.00
Ionis Pharmaceuticals, Inc.
SOLEShares2.05M
TypeSH
Market value$162.36M
0.81%
Sole
2.05M
Shared
0.00
None
0.00
Edgewise Therapeutics, Inc.
SOLEShares3.70M
TypeSH
Market value$150.40M
0.75%
Sole
3.70M
Shared
0.00
None
0.00
Replimune Group, Inc.
SOLEShares11.05M
TypeSH
Market value$122.27M
0.61%
Sole
11.05M
Shared
0.00
None
0.00
Nurix Therapeutics, Inc.
SOLEShares4.66M
TypeSH
Market value$113.02M
0.57%
Sole
4.66M
Shared
0.00
None
0.00
Stoke Therapeutics, Inc.
SOLEShares3.34M
TypeSH
Market value$109.18M
0.55%
Sole
3.34M
Shared
0.00
None
0.00
| Issuer | Class | Shares | Type | Value / Portfolio % | Voting — Sole | Shared | None |
|---|---|---|---|---|---|---|---|
Incyte CorporationSOLE | COM | 30.76M | SH | $3.49B 17.48% | 30.76M | 0.00 | 0.00 |
BeOne Medicines Ltd.SOLE | SPONSORED ADS | 8.80M | SH | $2.51B 12.57% | 8.80M | 0.00 | 0.00 |
Revolution Medicines, Inc.SOLE | COM | 11.44M | SH | $2.14B 10.74% | 11.44M | 0.00 | 0.00 |
Madrigal Pharmaceuticals, Inc.SOLE | COM | 2.14M | SH | $1.15B 5.77% | 2.14M | 0.00 | 0.00 |
ACADIA Pharmaceuticals Inc.SOLE | COM | 42.91M | SH | $1.09B 5.44% | 42.91M | 0.00 | 0.00 |
Kymera Therapeutics, Inc.SOLE | COM | 8.66M | SH | $992.73M 4.97% | 8.66M | 0.00 | 0.00 |
Insmed IncorporatedSOLE | COM PAR $.01 | 8.80M | SH | $937.84M 4.70% | 8.80M | 0.00 | 0.00 |
Celcuity Inc.SOLE | COM | 7.92M | SH | $828.15M 4.15% | 7.92M | 0.00 | 0.00 |
Kodiak Sciences Inc.SOLE | COM | 19.92M | SH | $776.05M 3.89% | 19.92M | 0.00 | 0.00 |
Rhythm Pharmaceuticals, Inc.SOLE | COM | 5.60M | SH | $622.27M 3.12% | 5.60M | 0.00 | 0.00 |
Praxis Precision Medicines, Inc.SOLE | COM | 1.75M | SH | $586.95M 2.94% | 1.75M | 0.00 | 0.00 |
Alkermes plcSOLE | SHS | 10.01M | SH | $524.59M 2.63% | 10.01M | 0.00 | 0.00 |
Summit Therapeutics Inc.SOLE | COM | 32.79M | SH | $477.70M 2.39% | 32.79M | 0.00 | 0.00 |
GRAIL, Inc.SOLE | COM | 4.03M | SH | $275.03M 1.38% | 4.03M | 0.00 | 0.00 |
AbCellera Biologics Inc.SOLE | COM | 33.01M | SH | $259.15M 1.30% | 33.01M | 0.00 | 0.00 |
Immunovant, Inc.SOLE | COM | 5.44M | SH | $209.42M 1.05% | 5.44M | 0.00 | 0.00 |
IDEAYA Biosciences, Inc.SOLE | COM | 5.01M | SH | $186.72M 0.94% | 5.01M | 0.00 | 0.00 |
Kiniksa Pharmaceuticals International, plcSOLE | ORD SHS CL A | 2.83M | SH | $181.28M 0.91% | 2.83M | 0.00 | 0.00 |
Roivant Sciences Ltd.SOLE | SHS | 4.72M | SH | $166.93M 0.84% | 4.72M | 0.00 | 0.00 |
Arrowhead Pharmaceuticals, Inc.SOLE | COM | 1.99M | SH | $162.43M 0.81% | 1.99M | 0.00 | 0.00 |
Ionis Pharmaceuticals, Inc.SOLE | COM | 2.05M | SH | $162.36M 0.81% | 2.05M | 0.00 | 0.00 |
Edgewise Therapeutics, Inc.SOLE | COM | 3.70M | SH | $150.40M 0.75% | 3.70M | 0.00 | 0.00 |
Replimune Group, Inc.SOLE | COM | 11.05M | SH | $122.27M 0.61% | 11.05M | 0.00 | 0.00 |
Nurix Therapeutics, Inc.SOLE | COM | 4.66M | SH | $113.02M 0.57% | 4.66M | 0.00 | 0.00 |
Stoke Therapeutics, Inc.SOLE | COM | 3.34M | SH | $109.18M 0.55% | 3.34M | 0.00 | 0.00 |
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