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Builders FirstSource
BLDR

Name Holding Trade Value Shares
Change 		Change in
Stake
WP
1
Warburg Pincus
New York
$319M – – –
SCM
2
Stadium Capital Management
Connecticut
$101M -$55.3M -4,529,458 -37%
BAMCO Inc
3
BAMCO Inc
New York
$44.8M +$4.22M +345,900 +11%
RCM
4
Roystone Capital Management
New York
$43.6M +$41.4M +3,396,100 New
RR
5
Robotti Robert
$31M -$4.93M -404,143 -14%
BFA
6
BlackRock Fund Advisors
California
$30.7M +$13.4M +1,099,287 +85%
Bank of Montreal
7
Bank of Montreal
Ontario, Canada
$26.5M +$25.2M +2,067,664 New
Adage Capital Partners
8
Adage Capital Partners
Massachusetts
$24.4M +$2.16M +177,030 +10%
RCM
9
Raging Capital Management
New Jersey
$22.6M +$21.4M +1,756,593 New
Vanguard Group
10
Vanguard Group
Pennsylvania
$22.4M -$347K -28,443 -2%
Fidelity Investments
11
Fidelity Investments
Massachusetts
$16.4M -$4.71M -385,920 -23%
Dimensional Fund Advisors
12
Dimensional Fund Advisors
Texas
$16M +$4.1M +335,838 +37%
KCM
13
Kennedy Capital Management
Missouri
$12.3M -$895K -73,368 -7%
Hudson Bay Capital Management
14
Hudson Bay Capital Management
Connecticut
$12.1M +$11.5M +938,720 New
HP
15
Harvey Partners
New York
$11M +$427K +35,000 +4%
CRM
16
Cramer Rosenthal McGlynn
Connecticut
$11M +$10.5M +859,600 New
Allianz Asset Management
17
Allianz Asset Management
Germany
$10.8M +$6.67M +546,471 +188%
WSA
18
Wall Street Associates
California
$10.5M -$183K -15,000 -2%
State Street
19
State Street
Massachusetts
$10.3M +$44.3K +3,633 +0.5%
RA
20
Royce & Associates
New York
$9.98M -$8.79M -720,115 -48%
NGA
21
New Generation Advisors
Massachusetts
$8.16M -$12.8M -1,046,797 -62%
BIT
22
BlackRock Institutional Trust
California
$8.14M +$1.47M +120,783 +24%
KCP
23
Kortright Capital Partners
New York
$6.64M +$6.31M +516,900 New
PCM
24
Portolan Capital Management
Massachusetts
$6.57M +$6.24M +511,440 New
Lord, Abbett & Co
25
Lord, Abbett & Co
New Jersey
$6.55M +$6.23M +510,353 New
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