Ticker · CUSIP 12008R107
Holders (tracked)
23
Combined shares
10,928,834
Combined value
$1.11B
Last close
$83.90
Quarter
2025Q4
Tracked holders · last 8 quarters
+6 vs previous quarter over the last 8.
Price is -17.2% vs the avg quarter-end implied price across tracked holders.
SEC event timeline
30 events
- Ken Griffin (Citadel Advisors) added2026-02-17+1,010,561 shares · 2025Q413F
- Izzy Englander (Millennium Mgmt) added2026-02-17+228,824 shares · 2025Q413F
- D.E. Shaw & Co. opened position2026-02-17+53,597 shares · 2025Q413F
- AQR Capital Management added2026-02-17+35,015 shares · 2025Q413F
- Jeremy Grantham (GMO) added2026-02-17+17,352 shares · 2025Q413F
- Two Sigma Investments added2026-02-17+148,993 shares · 2025Q413F
- Steve Cohen (Point72) opened position2026-02-17+287,887 shares · 2025Q413F
- Ron Baron (Baron Capital / BAMCO) exited2026-02-17−57,196 shares · 2025Q413F
- T. Rowe Price trimmed2026-02-17−2,220 shares · 2025Q413F
- Wellington Management added2026-02-17+73,835 shares · 2025Q413F
- +117,722 shares · 2025Q413F
- −27,324 shares · 2025Q413F
- +9,828 shares · 2025Q413F
- Sands Capital Management added2026-02-13+327,067 shares · 2025Q413F
- Renaissance Technologies opened position2026-02-12+534,741 shares · 2025Q413F
- Norges Bank (Norway SWF) opened position2026-02-10+1,061,995 shares · 2025Q413F
- Ken Fisher (Fisher Asset Mgmt) exited2026-02-09−22,361 shares · 2025Q413F
- Baillie Gifford & Co exited2026-01-23−1,469,801 shares · 2025Q413F
- Izzy Englander (Millennium Mgmt) trimmed2025-11-14−130,911 shares · 2025Q313F
- AQR Capital Management trimmed2025-11-14−108,796 shares · 2025Q313F
- Two Sigma Investments trimmed2025-11-14−244,733 shares · 2025Q313F
- D.E. Shaw & Co. exited2025-11-14−2,303 shares · 2025Q313F
- T. Rowe Price trimmed2025-11-14−120,924 shares · 2025Q313F
- Wellington Management trimmed2025-11-14−140,841 shares · 2025Q313F
- Stanley Druckenmiller (Duquesne) exited2025-11-14−85,065 shares · 2025Q313F
- Ron Baron (Baron Capital / BAMCO) added2025-11-14+7 shares · 2025Q313F
- Renaissance Technologies exited2025-11-13−262,341 shares · 2025Q313F
- Jeremy Grantham (GMO) trimmed2025-11-13−3,310 shares · 2025Q313F
- Norges Bank (Norway SWF) exited2025-11-13−1,268,269 shares · 2025Q313F
- Ray Dalio (Bridgewater Associates) added2025-11-13+24,705 shares · 2025Q313F
Insider activity
No insider transactions in the last 30 days.
Follow-the-investor returns
If you'd copied each holder of BLDR…
Cost basis inferred from 13F share-delta history. Sorted by % return on the position they're still holding.
| Investor | First in | Cost basis | Return | Position value today |
|---|---|---|---|---|
| T. Rowe Price | 2017Q1 | $22.49 | +273.0% | $14.0M |
| Wellington Management | 2016Q1 | $40.58 | +106.7% | $278.3M |
| Norges Bank (Norway SWF) | 2016Q2 | $58.50 | +43.4% | $89.1M |
| AQR Capital Management | 2016Q1 | $76.58 | +9.6% | $9.3M |
| Renaissance Technologies | 2016Q1 | $98.17 | -14.5% | $44.9M |
| Izzy Englander (Millennium Mgmt) | 2016Q1 | $103.52 | -19.0% | $21.5M |
| Izzy Englander (Millennium Mgmt) | 2016Q1 | $103.52 | -19.0% | $21.5M |
| Izzy Englander (Millennium Mgmt) | 2016Q1 | $103.52 | -19.0% | $21.5M |
| Steve Cohen (Point72) | 2016Q2 | $103.92 | -19.3% | $5.0M |
| Steve Cohen (Point72) | 2016Q2 | $103.92 | -19.3% | $5.0M |
| Steve Cohen (Point72) | 2016Q2 | $103.92 | -19.3% | $5.0M |
| Ken Griffin (Citadel Advisors) | 2016Q1 | $104.19 | -19.5% | $19.6M |
| Ken Griffin (Citadel Advisors) | 2016Q1 | $104.19 | -19.5% | $19.6M |
| Ken Griffin (Citadel Advisors) | 2016Q1 | $104.19 | -19.5% | $19.6M |
| Two Sigma Investments | 2016Q1 | $104.89 | -20.0% | $15.3M |
| D.E. Shaw & Co. | 2017Q3 | $105.07 | -20.2% | $436K |
| D.E. Shaw & Co. | 2017Q3 | $105.07 | -20.2% | $436K |
| Paul Tudor Jones (Tudor Investment) | 2016Q1 | $116.07 | -27.7% | $4.4M |
| Paul Tudor Jones (Tudor Investment) | 2016Q1 | $116.07 | -27.7% | $4.4M |
| Paul Tudor Jones (Tudor Investment) | 2016Q1 | $116.07 | -27.7% | $4.4M |
| Sands Capital Management | 2025Q1 | $120.43 | -30.3% | $231.4M |
| Jeremy Grantham (GMO) | 2018Q3 | $123.51 | -32.1% | $13.7M |
| George Soros (Soros Fund Mgmt) | 2024Q2 | $138.41 | -39.4% | $825K |
Who moved on this name in 2025Q4
13F transactions reported for the latest quarter, grouped by direction.
New positions6
- Norges Bank (Norway SWF)+1,061,995$109.3M
- Renaissance Technologies+534,741$55.0M
- Steve Cohen (Point72)+287,887$29.6M
- Paul Tudor Jones (Tudor Investment)+117,722$12.1M
- D.E. Shaw & Co.+53,597$5.5M
- George Soros (Soros Fund Mgmt)+9,828$1.0M
Added to7
- Ken Griffin (Citadel Advisors)+1,010,561$104.0M
- Sands Capital Management+327,067$33.7M
- Izzy Englander (Millennium Mgmt)+228,824$23.5M
- Two Sigma Investments+148,993$15.3M
- Wellington Management+73,835$7.6M
- AQR Capital Management+35,015$3.6M
- Jeremy Grantham (GMO)+17,352$1.8M
Trimmed1
- T. Rowe Price−2,220$228
Exited4
- Baillie Gifford & Co−1,469,801$178.2M
- Ron Baron (Baron Capital / BAMCO)−57,196$6.9M
- Ray Dalio (Bridgewater Associates)−27,324$3.3M
- Ken Fisher (Fisher Asset Mgmt)−22,361$2.7M
Institutional ownership over time
Distinct super-investors holding this ticker · combined dollar value, by quarter.
| Quarter | Holders | Combined value |
|---|---|---|
| 2022Q1 | 15 | $122.43B |
| 2022Q2 | 18 | $98.58B |
| 2022Q3 | 18 | $100.7M |
| 2022Q4 | 17 | $2.06B |
| 2023Q1 | 20 | $2.76B |
| 2023Q2 | 25 | $3.88B |
| 2023Q3 | 22 | $2.60B |
| 2023Q4 | 19 | $2.74B |
| 2024Q1 | 19 | $4.83B |
| 2024Q2 | 19 | $2.61B |
| 2024Q3 | 22 | $1.59B |
| 2024Q4 | 18 | $686.9M |
| 2025Q1 | 19 | $962.9M |
| 2025Q2 | 23 | $1.08B |
| 2025Q3 | 17 | $1.00B |
| 2025Q4 | 23 | $1.11B |
Who owns BLDR
23 super-investors · 2025Q4
Tracked stake
10.93M
shares
Combined value
$1.11B
% of shares outstanding
—
shares-out unknown
Quarter action mix
New11Added11Trim1
| # | Manager | Shares | Value |
|---|---|---|---|
| 1 | Wellington Management | 3.32M | $341M |
| 2 | Sands Capital Management | 2.76M | $284M |
| 3 | Ken Griffin Citadel Advisors | 1.28M | $132M |
| 4 | Norges Bank Norway SWF | 1.06M | $109M |
| 5 | Renaissance Technologies | 534.7K | $55M |
| 6 | Steve Cohen Point72 | 287.9K | $30M |
| 7 | Izzy Englander Millennium Mgmt | 256.4K | $26M |
| 8 | Ken Griffin Citadel Advisors | 233.5K | $24M |
| 9 | Two Sigma Investments | 182.7K | $19M |
| 10 | Jeremy Grantham GMO | 163.3K | $17M |
| 11 | Paul Tudor Jones Tudor Investment | 117.7K | $12M |
| 12 | AQR Capital Management | 110.5K | $11M |
| 13 | Paul Tudor Jones Tudor Investment | 94.3K | $10M |
| 14 | Ken Griffin Citadel Advisors | 87.8K | $9M |
| 15 | Steve Cohen Point72 | 59.5K | $6M |
| 16 | Steve Cohen Point72 | 53.6K | $6M |
| 17 | D.E. Shaw & Co. | 53.6K | $6M |
| 18 | Paul Tudor Jones Tudor Investment | 52.3K | $5M |
| 19 | Izzy Englander Millennium Mgmt | 32.2K | $3M |
| 20 | George Soros Soros Fund Mgmt | 9.8K | $1M |
| 21 | Izzy Englander Millennium Mgmt | 9.1K | $936K |
| 22 | D.E. Shaw & Co. | 5.2K | $535K |
| 23 | T. Rowe Price | 167.0K | $17K |
Recent moves
20 transactions
- +228,824 · 2025Q4
- +148,993 · 2025Q4
- −57,196 · 2025Q4
- +73,835 · 2025Q4
- +53,597 · 2025Q4
- +287,887 · 2025Q4
- +1,010,561 · 2025Q4
- +17,352 · 2025Q4
- TRIMT. Rowe Price−2,220 · 2025Q4
- +35,015 · 2025Q4
- +117,722 · 2025Q4
- +9,828 · 2025Q4
- −27,324 · 2025Q4
- +327,067 · 2025Q4
- +534,741 · 2025Q4
- +1,061,995 · 2025Q4
- −22,361 · 2025Q4
- −1,469,801 · 2025Q4
- −130,911 · 2025Q3
- −244,733 · 2025Q3
Embed this chart
Paste this iframe anywhere to embed the live BLDR chart.
<iframe src="https://openstocks.me/embed/stock/BLDR" width="100%" height="480" frameborder="0" loading="lazy" title="BLDR chart by OpenStocks" style="border:0;border-radius:12px;background:transparent"></iframe>