Massachusetts Financial Services
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Massachusetts Financial Services’s Builders FirstSource BLDR Stock Holding History

Massachusetts Financial Services’s Portfolio BLDR Stock Details BLDR Fund Activity
Bought
Maintained
Sold
Quarter Market Value Status Shares Change in
Stake 		Trade Value Portfolio Weight Portfolio Position
2026
Q2 		$72.4M Sell
809,251
-209,364
-21% -$16.7M 0.02% 433
2026
Q1 		$83.9M Sell
1,018,615
-7,155
-0.7% -$764K 0.03% 394
2025
Q4 		$106M Sell
1,025,770
-76,216
-7% -$8.56M 0.03% 378
2025
Q3 		$134M Sell
1,101,986
-454,165
-29% -$60.3M 0.04% 339
2025
Q2 		$182M Buy
1,556,151
+74,681
+5% +$8.62M 0.06% 298
2025
Q1 		$185M Sell
1,481,470
-97,185
-6% -$14.1M 0.06% 289
2024
Q4 		$226M Buy
1,578,655
+120,400
+8% +$21.3M 0.07% 251
2024
Q3 		$283M Buy
1,458,255
+277,897
+24% +$46.1M 0.08% 222
2024
Q2 		$163M Buy
1,180,358
+911,990
+340% +$155M 0.05% 301
2024
Q1 		$56M Sell
268,368
-24,690
-8% -$4.56M 0.02% 445
2023
Q4 		$48.9M Sell
293,058
-11,966
-4% -$1.59M 0.02% 451
2023
Q3 		$38M Sell
305,024
-103,535
-25% -$14.3M 0.01% 479
2023
Q2 		$55.6M Sell
408,559
-727,824
-64% -$80.9M 0.02% 421
2023
Q1 		$101M Sell
1,136,383
-285,280
-20% -$22.6M 0.03% 352
2022
Q4 		$92.2M Buy
1,421,663
+177,636
+14% +$11.1M 0.03% 368
2022
Q3 		$73.3M Buy
1,244,027
+103,529
+9% +$6.47M 0.03% 387
2022
Q2 		$61.2M Sell
1,140,498
-2,395,111
-68% -$147M 0.02% 426
2022
Q1 		$228M Buy
3,535,609
+133,719
+4% +$9.71M 0.07% 248
2021
Q4 		$292M Buy
3,401,890
+744,449
+28% +$50.4M 0.08% 218
2021
Q3 		$137M Sell
2,657,441
-47,884
-2% -$2.34M 0.04% 329
2021
Q2 		$115M Buy
2,705,325
+783,072
+41% +$36.3M 0.03% 373
2021
Q1 		$89.1M Buy
+1,922,253
New +$81.8M 0.03% 395
2015
Q4 		– Sell
-43,449
Closed -$551K – 850
2015
Q3 		$551K Buy
+43,449
New +$617K ﹤0.01% 810

Other funds holding BLDR

BlackRock
BlackRock New York $6.73T AUM 46.02% 1-Year Est. Return
Vanguard Capital Management
Vanguard Capital Management Malvern, Pennsylvania $4.68T AUM
State Street
State Street Boston, Massachusetts $3.37T AUM 44.26% 1-Year Est. Return
Vanguard Portfolio Management
Vanguard Portfolio Management Malvern, Pennsylvania $2.22T AUM
Capital International Investors
Capital International Investors Los Angeles, California $484B AUM 34.9% 1-Year Est. Return
Pictet Asset Management
Pictet Asset Management Carouge, Switzerland $105B AUM 38.07% 1-Year Est. Return
Wellington Management Group
Wellington Management Group Boston, Massachusetts $580B AUM 38.23% 1-Year Est. Return
Dimensional Fund Advisors
Dimensional Fund Advisors Austin, Texas $552B AUM 44.19% 1-Year Est. Return
Invesco
Invesco Atlanta, Georgia $1.26T AUM 61.52% 1-Year Est. Return
Geode Capital Management
Geode Capital Management Boston, Massachusetts $1.88T AUM 44.46% 1-Year Est. Return

Massachusetts Financial Services's BLDR Position: Q2 2026 in Review

Massachusetts Financial Services reduced its Builders FirstSource (BLDR) stake by 21% in Q2 2026, selling an estimated $16.7M and leaving 809,251 shares worth $72.4M. The position accounts for 0.02% of the portfolio, ranked #433.

Massachusetts Financial Services first reported a position in BLDR in Q3 2015 and has held it in 23 quarters since. The position peaked at $292M in Q4 2021. 670 funds tracked by Wall St. Rank hold BLDR as of Q2 2026.

  • Massachusetts Financial Services held 809,251 shares of Builders FirstSource worth $72.4M as of Q2 2026.
  • Massachusetts Financial Services sold 209,364 Builders FirstSource shares in Q2 2026, an estimated $16.7M.
  • Builders FirstSource made up 0.02% of Massachusetts Financial Services's portfolio in Q2 2026, its #433 holding.
  • Massachusetts Financial Services first reported a position in Builders FirstSource in Q3 2015 and has held it in 23 quarters since.
  • Massachusetts Financial Services's Builders FirstSource position peaked at $292M in Q4 2021.
  • 670 funds tracked by Wall St. Rank held Builders FirstSource as of Q2 2026.

Based on Massachusetts Financial Services's 13F filing for Q2 2026, filed 3 Aug 2026.