BAKER BROS. ADVISORS LPBAKER BROS. ADVISORS LP

Institutional investor · Portfolio as of Q1 2021

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$6.6B28.5%
3 qtrssince 2020-Q3
Increased
62
ONCONC
ADR

BEIGENE LTD-ADR

11.7M$4.1B17.6%$149.13+123.29%
9 qtrssince 2019-Q1
Unchanged
0

INCYTE CORP

32M$2.6B11.3%$86.02-6.73%
9 qtrssince 2019-Q1
Increased
62

Kodiak Sciences, Inc.

13.9M$1.6B6.8%$36.26+204.64%
9 qtrssince 2019-Q1
Unchanged
0

ACADIA Pharmaceuticals Inc.

41.9M$1.1B4.7%$27.58-6.79%
9 qtrssince 2019-Q1
Increased
58
ALXNALXNDelisted

ALEXION PHARMACEUTICALS INC

4M$610.6M2.6%
9 qtrssince 2019-Q1
Decreased
0
NVTAQNVTAQDelisted

INVITAE CORP

15.7M$601.8M2.6%
9 qtrssince 2019-Q1
Increased
54

BIOMARIN PHARMACEUTICAL INC

7.6M$573.1M2.5%$88.83-15.61%
9 qtrssince 2019-Q1
Unchanged
0
ASNDASND
ADR

ASCENDIS PHARMA A/S

3.5M$456.3M2.0%$119.16+7.96%
9 qtrssince 2019-Q1
Unchanged
0

PRELUDE THERAPEUTICS INC

10.1M$438.7M1.9%$28.85+36.14%
3 qtrssince 2020-Q3
Increased
49

ABCELLERA BIOLOGICS INC

10.5M$354.9M1.5%$41.10-35.09%
2 qtrssince 2020-Q4
Unchanged
0
ARGXARGX
ADR

ARGENX SE - ADR

1.1M$308.3M1.3%$138.01+97.28%
9 qtrssince 2019-Q1
Increased
54
IGMSIGMSDelisted

IGM BIOSCIENCES INC

3.2M$242M1.0%
7 qtrssince 2019-Q3
Increased
48
MRTXMRTXDelisted

MIRATI THERAPEUTICS INC

1.4M$241.5M1.0%
9 qtrssince 2019-Q1
Unchanged
0

MADRIGAL PHARMACEUTICALS INC

1.5M$175.4M0.8%$113.12+2.99%
9 qtrssince 2019-Q1
Unchanged
0
AMRNAMRN
ADR

Amarin Corporation plc

26.5M$164.3M0.7%
GBTGBTDelisted

GLOBAL BLOOD THERAPEUTICS INC

3.2M$131.1M0.6%
5 qtrssince 2020-Q1
Increased
69

BIOCRYST PHARMACEUTICALS INC

12.7M$129.3M0.6%$7.50+33.28%
9 qtrssince 2019-Q1
Increased
42
IMCRIMCR
ADR

IMMUNOCORE HLDGS PLC

2.5M$107.3M0.5%$43.200.00%
1 qtr
New
50

PACIFIC BIOSCIENCES CALIF IN

3.2M$106.7M0.5%$9.80+205.61%
3 qtrssince 2020-Q3
Unchanged
0
$23.1B
AUM
126
Positions
Q1 2021
Filing
Rating · 3.5
Quarterly Portfolio Change
+28%Q4'19$18.8B-14%Q1'20$16.2B+40%Q2'20$22.7B+10%Q3'20$25B+6%Q4'20$26.5B-13%Q1'21$23.1B
Activity profile
$ moved · Q1'21
New9%Increased72%Decreased18%Exited1%
Composition
Equity vs derivatives
Equity100%Puts0%Calls0%
Holding period
Avg 1.4 years
<1Q8%1-4Q26%1-2Y17%2Y+49%

BAKER BROS. ADVISORS LP manages $23.1B across 126 positions as of Q1 2021. Top holdings: SGEN (28.5%), ONC (17.6%), INCY (11.3%). Fund DNA: Balanced Allocator. HoldingsIntel Rating: 3.5/5.0.

Q1 2021 Summary

Active quarter - 12 new positions, 12 exits, 23 increased. Top move: GBT (INCREASED, conviction 69). Portfolio: $23.1B across 126 positions.

Top holdings by portfolio weight

Total AUM$23B
SGEN28.46%
ONC17.61%
INCY11.28%
KOD6.82%
ACAD4.69%
ALXN2.65%
NVTAQ2.61%
BMRN2.48%
ASND1.98%
PRLD1.90%
Other1.54%

Portfolio allocation by GICS sector

Sectors4
Healthcare61.19%
Unknown38.80%
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

Funds with similar investing DNA

Accumulation Streaks

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

Security
8Q
INCYINCYINCYTE CORP
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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