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JB

Julian Baker Baker Bros. Advisors

AUM $20B
1-Year Est. Return 154.41%
 

Julian Baker is co-managing member of Baker Bros. Advisors, a firm renowned for deep specialization in biotechnology and life sciences. The firm is known for concentrated positions, long holding periods, and scientific diligence that goes well beyond typical generalist research. Baker Bros. filings are closely watched by healthcare investors for signals in clinical-stage and commercial biotech.

This Fund
S&P 500
This Quarter Est. Return
+41.99%
1 Year Est. Return
+154.41%
3 Year Est. Return
+448.58%
5 Year Est. Return
+670.61%
10 Year Est. Return
+4,743.65%
AUM
$7.04B
AUM Growth
+$1.98B
Cap. Flow
-$1.2B
Cap. Flow %
-17.09%
Top 10 Hldgs %
79.89%
Holding
87
New
12
Increased
14
Reduced
15
Closed
5
Name Market Value Portfolio Weight Shares or Principal Change
in Stake
Capital Flow
CLVS
26
DELISTED
Clovis Oncology, Inc.
CLVS
$18.3M 0.26%
301,744
-223,369
-43% -$15.8M
ARWR icon
27
Arrowhead Research
ARWR
$12.3B
$17.9M 0.25%
+3,140,000
New +$12.1M
CHTP
28
DELISTED
CHELSEA THERAPEUTICS INT'L LTD
CHTP
$17.3M 0.25%
5,794,753
+1,018,966
+21% +$2.93M
INSM icon
29
Insmed
INSM
$27.5B
$14.8M 0.21%
945,803
+150,000
+19% +$1.91M
KYTH
30
DELISTED
KYTHERA BIOPHARMACEUTICALS, INC COM
KYTH
$12.1M 0.17%
265,000
+100,000
+61% +$2.99M
SGYP
31
DELISTED
Synergy Pharmaceuticals, Inc Common Stock
SGYP
$11.9M 0.17%
2,644,787
AMBI
32
DELISTED
Ambit Biosciences Corp
AMBI
$11.6M 0.16%
747,962
GYRE icon
33
Gyre Therapeutics
GYRE
$733M
$11M 0.16%
+2,626
New +$10.6M
INFI
34
DELISTED
Infinity Pharmaceuticals, Inc.
INFI
$10.2M 0.15%
586,936
-429,497
-42% -$8.22M
ACGN
35
DELISTED
Aceragen Inc
ACGN
$10.2M 0.15%
43,168
+10,047
+30% +$2.01M
ARRY
36
DELISTED
Array Biopharma Inc
ARRY
$9.33M 0.13%
1,500,000
ANAC
37
DELISTED
ANACOR PHARMACEUTICALS INC COM
ANAC
$9.31M 0.13%
876,463
IONS icon
38
Ionis Pharmaceuticals
IONS
$9.93B
$9.27M 0.13%
247,036
MTEM
39
DELISTED
Molecular Templates, Inc.
MTEM
$8.61M 0.12%
11,227
+1,560
+16% +$1.28M
PTLA
40
DELISTED
Portola Pharmaceuticals, Inc.
PTLA
$8.02M 0.11%
299,911
-100,003
-25% -$2.38M
PRTA icon
41
Prothena Corp
PRTA
$485M
$7.48M 0.11%
369,650
QLTI
42
DELISTED
QLT Inc
QLTI
$7.11M 0.1%
1,535,863
OSIR
43
DELISTED
Osiris Therapeutics, Inc. Common Stock
OSIR
$6.25M 0.09%
+375,282
New +$5.55M
OMER icon
44
Omeros
OMER
$1.39B
$5.93M 0.08%
+608,404
New +$3.63M
XNPT
45
DELISTED
XENOPORT, INC.
XNPT
$5.87M 0.08%
1,034,112
AGIO icon
46
Agios Pharmaceuticals
AGIO
$1.98B
$5.59M 0.08%
+200,000
New +$5.52M
IRWD icon
47
Ironwood Pharmaceuticals
IRWD
$709M
$5.46M 0.08%
550,625
-550,434
-50% -$5.4M
NVAX icon
48
Novavax
NVAX
$1.47B
$5.41M 0.08%
+85,846
New +$4.83M
PBYI icon
49
Puma Biotechnology
PBYI
$477M
$5.37M 0.08%
100,000
+16,667
+20% +$898K
BDSI
50
DELISTED
BioDelivery Sciences International, Inc.
BDSI
$4.59M 0.07%
846,005
-54,500
-6% -$262K

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Julian Baker's Q3 2013 Portfolio in Review

As of Q3 2013, Julian Baker held 87 positions worth $7.04B, up 39% from $5.06B the previous quarter. Its ten largest holdings account for 80% of the portfolio.

Julian Baker withdrew a net $1.2B in Q3 2013, closing 5 positions and reducing 15 holdings. Its most notable exit was Arqule Inc, an estimated $2.04M position sold in full.

By sector, the portfolio is most concentrated in Healthcare at 48% of assets, up from 48% a quarter earlier.

Against the trend, Julian Baker opened a new position in Mirati Therapeutics, Inc. Common Stock worth $30M.

  • Julian Baker's largest Q3 2013 buy was Mirati Therapeutics, Inc. Common Stock: 1,980,074 shares worth $30M.
  • Julian Baker added most to SYNAGEVA BIOPHARMA CORP COM STK (DE) in Q3 2013, an estimated $51.7M increase.
  • Julian Baker's biggest Q3 2013 reduction was PHARMACYCLICS INC, cutting an estimated $195M.
  • Julian Baker fully exited Arqule Inc in Q3 2013, selling an estimated $2.04M.
  • Julian Baker's ten largest holdings make up 80% of its $7.04B portfolio in Q3 2013.
  • Julian Baker opened 12 new positions and closed 5 in Q3 2013.
  • Julian Baker's portfolio value rose 39% quarter-over-quarter to $7.04B.

Based on Baker Bros. Advisors's 13F filing for Q3 2013, filed 14 Nov 2013.