BAMCO Inc
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BAMCO Inc’s Builders FirstSource BLDR Stock Holding History

BAMCO Inc’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
2025
Q4 		– Sell
-57,196
Closed -$6.94M – 331
2025
Q3 		$6.94M Buy
57,196
+7
+0% +$929 0.02% 247
2025
Q2 		$6.67M Buy
+57,189
New +$6.6M 0.02% 236
2025
Q1 		– Sell
-60,173
Closed -$8.6M – 317
2024
Q4 		$8.6M Sell
60,173
-127,271
-68% -$22.5M 0.02% 235
2024
Q3 		$36.3M Buy
+187,444
New +$31.1M 0.1% 161
2016
Q1 		– Sell
-4,489,186
Closed -$49.7M – 299
2015
Q4 		$49.7M Sell
4,489,186
-989,384
-18% -$12.6M 0.23% 105
2015
Q3 		$69.5M Buy
5,478,570
+1,987,152
+57% +$28.2M 0.31% 81
2015
Q2 		$44.8M Buy
3,491,418
+345,900
+11% +$4.22M 0.18% 142
2015
Q1 		$21M Buy
3,145,518
+50,000
+2% +$312K 0.08% 208
2014
Q4 		$21.3M Buy
3,095,518
+91,400
+3% +$546K 0.09% 202
2014
Q3 		$16.4M Buy
3,004,118
+734,483
+32% +$4.78M 0.07% 219
2014
Q2 		$17M Buy
2,269,635
+1,222,279
+117% +$9.52M 0.07% 211
2014
Q1 		$9.54M Buy
1,047,356
+126,500
+14% +$1.03M 0.04% 227
2013
Q4 		$6.58M Sell
920,856
-248,774
-21% -$1.69M 0.03% 246
2013
Q3 		$6.88M Hold
1,169,630
– – 0.03% 229
2013
Q2 		$6.99M Buy
+1,169,630
New +$7.32M 0.04% 219

Other funds holding BLDR

Vanguard Group
Vanguard Group Malvern, Pennsylvania $6.9T AUM 27.45% 1-Year Est. Return
BlackRock
BlackRock New York $5.72T AUM 30.48% 1-Year Est. Return
State Street
State Street Boston, Massachusetts $2.9T AUM 29.55% 1-Year Est. Return
Fidelity Investments
Fidelity Investments Boston, Massachusetts $1.9T AUM 41.92% 1-Year Est. Return
Wellington Management Group
Wellington Management Group Boston, Massachusetts $535B AUM 26.23% 1-Year Est. Return
Geode Capital Management
Geode Capital Management Boston, Massachusetts $1.61T AUM 30.72% 1-Year Est. Return
Sands Capital Management
Sands Capital Management Arlington, Virginia $25.5B AUM 26.46% 1-Year Est. Return
Dimensional Fund Advisors
Dimensional Fund Advisors Austin, Texas $481B AUM 30.42% 1-Year Est. Return
Capital International Investors
Capital International Investors Los Angeles, California $427B AUM 29.17% 1-Year Est. Return
BWA
Brave Warrior Advisors New York $4.04B AUM 1.15% 1-Year Est. Return

BAMCO Inc's BLDR Position: Q4 2025 in Review

BAMCO Inc sold out of Builders FirstSource (BLDR) in Q4 2025, closing a stake of 57,196 shares — an estimated $6.94M sold.

BAMCO Inc first reported a position in BLDR in Q2 2013 and held it in 15 quarters. The position peaked at $69.5M in Q3 2015. 765 funds tracked by Wall St. Rank hold BLDR as of Q4 2025.

  • BAMCO Inc reported no remaining Builders FirstSource position as of Q4 2025 after selling out during the quarter.
  • BAMCO Inc sold 57,196 Builders FirstSource shares in Q4 2025, an estimated $6.94M.
  • BAMCO Inc first reported a position in Builders FirstSource in Q2 2013 and held it in 15 quarters.
  • BAMCO Inc's Builders FirstSource position peaked at $69.5M in Q3 2015.
  • 765 funds tracked by Wall St. Rank held Builders FirstSource as of Q4 2025.

Based on BAMCO Inc's 13F filing for Q4 2025, filed 17 Feb 2026.