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Adaptive Biotechnologies

Name Holding Trade Value Shares
Change
Change in
Stake
Viking Global Investors
1
Viking Global Investors
Connecticut
$1.19B
MCMC
2
Matrix Capital Management Company
New Hampshire
$536M
SIG
3
Senator Investment Group
New York
$146M
BlackRock
4
BlackRock
New York
$58.6M +$50.5M +1,236,944 +187%
Vanguard Group
5
Vanguard Group
Pennsylvania
$46.2M +$52.9M +1,296,386 +648%
BBA
6
Baker Bros. Advisors
New York
$36M
TM
7
Tiger Management
New York
$34.5M +$45.5M +1,115,411 New
TCM
8
TimesSquare Capital Management
New York
$34.1M +$26.6M +651,621 +145%
FAM
9
Fred Alger Management
New York
$33.9M +$24M +588,874 +116%
JP Morgan Chase
10
JP Morgan Chase
New York
$26.9M +$20M +490,496 +129%
BAMCO Inc
11
BAMCO Inc
New York
$26.6M +$8.27M +202,668 +31%
GGHC
12
Gilder Gagnon Howe & Co
New York
$24.5M +$8.2M +200,872 +34%
T. Rowe Price Associates
13
T. Rowe Price Associates
Maryland
$21.8M -$7.88M -193,076 -21%
Capital International Investors
14
Capital International Investors
California
$18.5M
RSCM
15
Rock Springs Capital Management
Maryland
$16.8M -$2.24M -55,000 -9%
Massachusetts Financial Services
16
Massachusetts Financial Services
Massachusetts
$16.6M -$3.62M -88,626 -14%
Fidelity Investments
17
Fidelity Investments
Massachusetts
$15M -$4.88M -119,597 -20%
CC
18
Casdin Capital
New York
$14.3M
Loomis, Sayles & Company
19
Loomis, Sayles & Company
Massachusetts
$13.9M +$4.6M +112,595 +34%
PAMU
20
Pictet Asset Management (UK)
United Kingdom
$13.2M +$2.15M +52,615 +14%
RG
21
Redmile Group
California
$13.1M -$40.8K -1,000 -0.2%
GAMA
22
Graticule Asia Macro Advisors
New York
$11M +$4.8M +117,535 +49%
PA
23
Perceptive Advisors
New York
$9.12M +$408K +10,000 +4%
Ameriprise
24
Ameriprise
Minnesota
$7.81M +$3.75M +92,005 +57%
Goldman Sachs
25
Goldman Sachs
New York
$7.66M +$3.9M +95,581 +63%