Parallax Volatility Advisers
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Parallax Volatility Advisers’s Builders FirstSource BLDR Stock Holding History

Parallax Volatility Advisers’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
Q1 		– Sell
-3,473
Closed -$496K – 1606
2024
Q4 		$496K Sell
3,473
-5,651
-62% -$1,000K ﹤0.01% 1506
2024
Q3 		$1.77M Buy
+9,124
New +$1.51M ﹤0.01% 1171
2023
Q4 		– Sell
-1,618
Closed -$215K – 2189
2023
Q3 		$201K Sell
1,618
-19,329
-92% -$2.67M ﹤0.01% 1820
2023
Q2 		$2.85M Buy
+20,947
New +$2.33M 0.01% 998
2022
Q2 		– Sell
-9,335
Closed -$572K – 2891
2022
Q1 		$602K Sell
9,335
-144,763
-94% -$10.5M ﹤0.01% 1847
2021
Q4 		$13.2M Sell
154,098
-101,502
-40% -$6.88M 0.01% 777
2021
Q3 		$13.2M Buy
255,600
+255,531
+370,335% +$12.5M 0.01% 820
2021
Q2 		$3K Sell
69
-2,849
-98% -$132K ﹤0.01% 2849
2021
Q1 		$135K Buy
2,918
+1,529
+110% +$65.1K ﹤0.01% 2769
2020
Q4 		$57K Buy
1,389
+988
+246% +$35K ﹤0.01% 3036
2020
Q3 		$13K Buy
+401
New +$10.9K ﹤0.01% 2955
2020
Q1 		– Sell
-42,627
Closed -$1.08M – 2461
2019
Q4 		$1.08M Buy
42,627
+42,559
+62,587% +$1.02M ﹤0.01% 1492
2019
Q3 		$1K Buy
+68
New +$1.27K ﹤0.01% 2230
2019
Q2 		– Sell
-3,516
Closed -$47K – 2581
2019
Q1 		$47K Sell
3,516
-27,107
-89% -$356K ﹤0.01% 2311
2018
Q4 		$334K Buy
+30,623
New +$385K ﹤0.01% 1610
2018
Q3 		– Sell
-4,228
Closed -$71.6K – 2594
2018
Q2 		$77K Sell
4,228
-60,772
-93% -$1.16M ﹤0.01% 1502
2018
Q1 		$1.29M Buy
65,000
+42,281
+186% +$895K ﹤0.01% 888
2017
Q4 		$495K Buy
+22,719
New +$431K ﹤0.01% 1537
2017
Q1 		– Sell
-24
Closed -$310 – 3563
2016
Q4 		$0 Buy
+24
New +$260 ﹤0.01% 3065
2016
Q3 		– Sell
-16,251
Closed -$205K – 2886
2016
Q2 		$183K Buy
+16,251
New +$188K ﹤0.01% 1823

Other funds holding BLDR

Vanguard Group
Vanguard Group Malvern, Pennsylvania $6.9T AUM 27.45% 1-Year Est. Return
Fidelity Investments
Fidelity Investments Boston, Massachusetts $2.3T AUM 54.33% 1-Year Est. Return
BlackRock
BlackRock New York $6.73T AUM 46.02% 1-Year Est. Return
State Street
State Street Boston, Massachusetts $3.37T AUM 44.26% 1-Year Est. Return
Capital International Investors
Capital International Investors Los Angeles, California $484B AUM 34.9% 1-Year Est. Return
Wellington Management Group
Wellington Management Group Boston, Massachusetts $580B AUM 38.23% 1-Year Est. Return
Geode Capital Management
Geode Capital Management Boston, Massachusetts $1.88T AUM 44.46% 1-Year Est. Return
Sands Capital Management
Sands Capital Management Arlington, Virginia $26.9B AUM 34.44% 1-Year Est. Return
Dimensional Fund Advisors
Dimensional Fund Advisors Austin, Texas $552B AUM 44.19% 1-Year Est. Return
Victory Capital Management
Victory Capital Management San Antonio, Texas $178B AUM 37.23% 1-Year Est. Return

Parallax Volatility Advisers's BLDR Position: Q1 2025 in Review

Parallax Volatility Advisers sold out of Builders FirstSource (BLDR) in Q1 2025, closing a stake of 3,473 shares — an estimated $496K sold.

Parallax Volatility Advisers first reported a position in BLDR in Q2 2016 and held it in 20 quarters. The position peaked at $13.2M in Q3 2021. 786 funds tracked by Wall St. Rank hold BLDR as of Q1 2025.

  • Parallax Volatility Advisers reported no remaining Builders FirstSource position as of Q1 2025 after selling out during the quarter.
  • Parallax Volatility Advisers sold 3,473 Builders FirstSource shares in Q1 2025, an estimated $496K.
  • Parallax Volatility Advisers first reported a position in Builders FirstSource in Q2 2016 and held it in 20 quarters.
  • Parallax Volatility Advisers's Builders FirstSource position peaked at $13.2M in Q3 2021.
  • 786 funds tracked by Wall St. Rank held Builders FirstSource as of Q1 2025.

Based on Parallax Volatility Advisers's 13F filing for Q1 2025, filed 15 May 2025.