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Builders FirstSource

Name Holding Trade Value Shares
Change
Change in
Stake
WP
1
Warburg Pincus
New York
$257M -$65.3M -4,600,000 -19%
BAMCO Inc
2
BAMCO Inc
New York
$69.5M +$28.2M +1,987,152 +57%
Lord, Abbett & Co
3
Lord, Abbett & Co
New Jersey
$58.3M +$58M +4,084,519 +800%
RCM
4
Roystone Capital Management
New York
$46.9M +$4.26M +300,000 +9%
SCM
5
Stadium Capital Management
Connecticut
$45.6M -$60.7M -4,270,076 -54%
Vanguard Group
6
Vanguard Group
Pennsylvania
$38.3M +$18.1M +1,271,944 +73%
BFA
7
BlackRock Fund Advisors
California
$30.4M +$169K +11,880 +0.5%
Fidelity Investments
8
Fidelity Investments
Massachusetts
$29.7M +$15.2M +1,069,320 +84%
Westfield Capital Management
9
Westfield Capital Management
Massachusetts
$27.3M +$30.3M +2,133,350 +9,969%
Allianz Asset Management
10
Allianz Asset Management
Germany
$22.5M +$13.3M +935,875 +112%
Dimensional Fund Advisors
11
Dimensional Fund Advisors
Texas
$22.1M +$7.11M +500,286 +40%
RR
12
Robotti Robert
$20.3M -$11.6M -814,610 -34%
Wellington Management Group
13
Wellington Management Group
Massachusetts
$19.8M +$22.2M +1,561,443 New
Bank of Montreal
14
Bank of Montreal
Ontario, Canada
$18.9M -$8.15M -573,988 -28%
BIT
15
BlackRock Institutional Trust
California
$18.2M +$11.4M +804,719 +127%
SHIM
16
Spruce House Investment Management
New York
$16.5M +$18.5M +1,300,000 New
LI
17
LMCG Investments
Massachusetts
$15.8M +$11.1M +784,243 +170%
RCM
18
Raging Capital Management
New Jersey
$13.5M -$9.82M -691,643 -39%
BC
19
Beaconlight Capital
New York
$12.7M +$14.2M +1,000,188 New
State Street
20
State Street
Massachusetts
$11.1M +$1M +70,592 +9%
Adage Capital Partners
21
Adage Capital Partners
Massachusetts
$10.8M -$14.9M -1,049,453 -55%
HP
22
Harvey Partners
New York
$10.5M -$497K -35,000 -4%
KCM
23
Kennedy Capital Management
Missouri
$9.57M -$2.91M -204,765 -21%
OAM
24
Oxford Asset Management
United Kingdom
$9.24M +$10.3M +728,494 New
Millennium Management
25
Millennium Management
New York
$8.55M +$7.43M +523,314 +347%