BAKER BROS. ADVISORS LPBAKER BROS. ADVISORS LP

Institutional investor · Portfolio as of Q4 2020

SEC EDGAR SourceSEC Filings

Top Holdings126 positions

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Activity:
Stock
Shares
Value
Weight
Avg Buy
Est. P&L
Held
Conviction
SGENSGENDelisted

SEAGEN INC

47.3M$8.3B31.2%
2 qtrssince 2020-Q3
Unchanged
0
ONCONC
ADR

BEIGENE LTD-ADR

11.7M$3B11.4%$149.13+70.99%
8 qtrssince 2019-Q1
Decreased
0

INCYTE CORP

32M$2.8B10.5%$86.02+0.98%
8 qtrssince 2019-Q1
Increased
62

ACADIA Pharmaceuticals Inc.

41.9M$2.2B8.4%$27.58+94.65%
8 qtrssince 2019-Q1
Unchanged
0

Kodiak Sciences, Inc.

13.9M$2B7.7%$36.26+317.40%
8 qtrssince 2019-Q1
Increased
70
ALXNALXNDelisted

ALEXION PHARMACEUTICALS INC

8.8M$1.4B5.2%
8 qtrssince 2019-Q1
Unchanged
0

PRELUDE THERAPEUTICS INC

10.1M$724M2.7%$28.84+161.55%
2 qtrssince 2020-Q3
Unchanged
0

BIOMARIN PHARMACEUTICAL INC

7.6M$665.5M2.5%$88.83-2.11%
8 qtrssince 2019-Q1
Unchanged
0
NVTAQNVTAQDelisted

INVITAE CORP

15.6M$654.3M2.5%
8 qtrssince 2019-Q1
Increased
69
ASNDASND
ADR

ASCENDIS PHARMA A/S

3.5M$590.4M2.2%$119.16+42.82%
8 qtrssince 2019-Q1
Unchanged
0

ABCELLERA BIOLOGICS INC

10.5M$420.5M1.6%$41.100.00%
1 qtr
New
71
MRTXMRTXDelisted

MIRATI THERAPEUTICS INC

1.4M$309.6M1.2%
8 qtrssince 2019-Q1
Unchanged
0
ARGXARGX
ADR

ARGENX SE - ADR

1M$299.8M1.1%$124.84+135.57%
8 qtrssince 2019-Q1
Unchanged
0
IGMSIGMSDelisted

IGM BIOSCIENCES INC

3.1M$277.7M1.0%
6 qtrssince 2019-Q3
Increased
48

MADRIGAL PHARMACEUTICALS INC

1.5M$166.7M0.6%$113.12-1.77%
8 qtrssince 2019-Q1
Unchanged
0
AMRNAMRN
ADR

Amarin Corporation plc

28M$136.9M0.5%

HERON THERAPEUTICS INC

6M$126.9M0.5%$23.47-9.37%
8 qtrssince 2019-Q1
Unchanged
0

KYMERA THERAPEUTICS INC

2M$121.5M0.5%$31.54+127.81%
2 qtrssince 2020-Q3
Unchanged
0
ALLKALLKDelisted

ALLAKOS INC

714,250$100M0.4%
6 qtrssince 2019-Q3
Increased
37

CERUS CORP

13.7M$94.9M0.4%$5.89+21.67%
8 qtrssince 2019-Q1
Unchanged
0
$26.5B
AUM
126
Positions
Q4 2020
Filing
Rating · 3.5
Quarterly Portfolio Change
-0%Q3'19$14.7B+28%Q4'19$18.8B-14%Q1'20$16.2B+40%Q2'20$22.7B+10%Q3'20$25B+6%Q4'20$26.5B
Activity profile
$ moved · Q4'20
New17%Increased42%Decreased25%Exited16%
Composition
Equity vs derivatives
Equity100%Puts0%Calls0%
Holding period
Avg 1.2 years
<1Q9%1-4Q29%1-2Y52%2Y+10%

BAKER BROS. ADVISORS LP manages $26.5B across 126 positions as of Q4 2020. Top holdings: SGEN (31.2%), ONC (11.4%), INCY (10.5%). Fund DNA: Balanced Allocator. HoldingsIntel Rating: 3.5/5.0.

Q4 2020 Summary

Active quarter - 15 new positions, 9 exits, 16 increased. Top move: ABCL (NEW, conviction 71). Portfolio: $26.5B across 126 positions.

Top holdings by portfolio weight

Total AUM$27B
SGEN31.19%
ONC11.36%
INCY10.49%
ACAD8.44%
KOD7.68%
ALXN5.16%
PRLD2.73%
BMRN2.51%
NVTAQ2.46%
ASND2.22%
Other1.58%

Portfolio allocation by GICS sector

Sectors4
Healthcare56.49%
Unknown43.49%
Consumer Cyclical0.01%
Financial Services0.00%

Behavioral investing profile

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Balanced Allocator- primarily Healthcare, Unknown
Compare DNA across all funds
7-dimension quality assessment
Strong(3.5 / 5.0)
Track Record66
Conviction39
Concentration100
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Position Outcomes

Best and worst performing positions by estimated return

Cost basis estimates based on full filing history using quarter-end prices. Actual transaction prices are not disclosed in 13F filings.

Similar Funds

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Accumulation Streaks

Positions with 2+ consecutive quarters of increases - persistent directional conviction.

Security
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Q3 2024 Q2 2026+23,806 shares+$1.6B
5Q
IDYAIDYAIDEAYA BIOSCIENCES INC
Q2 2025 Q2 2026+3.9M shares+$169.3M
3Q
DSGNDSGNDESIGN THERAPEUTICS INC
Q4 2025 Q2 2026+965,548 shares+$25.9M
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Data sourced from SEC EDGAR 13F filings. Not financial advice. Full disclaimer

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