Ticker · CUSIP 09260D107
Holders (tracked)
22
Combined shares
21,131,140
Combined value
$2.98B
Last close
$128.13
Quarter
2025Q4
Tracked holders · last 8 quarters
+4 vs previous quarter over the last 8.
Price is -9.2% vs the avg quarter-end implied price across tracked holders.
SEC event timeline
25 events
- +3,750 shares · 2025Q413F
- Ken Griffin (Citadel Advisors) added2026-02-17+1,488,669 shares · 2025Q413F
- D.E. Shaw & Co. opened position2026-02-17+31,481 shares · 2025Q413F
- Izzy Englander (Millennium Mgmt) added2026-02-17+431,983 shares · 2025Q413F
- AQR Capital Management added2026-02-17+79,804 shares · 2025Q413F
- T. Rowe Price added2026-02-17+148,964 shares · 2025Q413F
- Wellington Management trimmed2026-02-17−25,912 shares · 2025Q413F
- −36,232 shares · 2025Q413F
- Steve Cohen (Point72) opened position2026-02-17+634,970 shares · 2025Q413F
- −34,804 shares · 2025Q413F
- Norges Bank (Norway SWF) opened position2026-02-10+8,276,548 shares · 2025Q413F
- Ken Fisher (Fisher Asset Mgmt) added2026-02-09+1,218 shares · 2025Q413F
- Mario Gabelli (GAMCO) added2026-02-05+1,407 shares · 2025Q413F
- Izzy Englander (Millennium Mgmt) trimmed2025-11-14−42,643 shares · 2025Q313F
- D.E. Shaw & Co. exited2025-11-14−87,517 shares · 2025Q313F
- AQR Capital Management added2025-11-14+116,988 shares · 2025Q313F
- T. Rowe Price added2025-11-14+261,604 shares · 2025Q313F
- Wellington Management added2025-11-14+15,760 shares · 2025Q313F
- Ron Baron (Baron Capital / BAMCO) added2025-11-14+42,257 shares · 2025Q313F
- Renaissance Technologies exited2025-11-13−266,700 shares · 2025Q313F
- Norges Bank (Norway SWF) exited2025-11-13−7,162,376 shares · 2025Q313F
- Ray Dalio (Bridgewater Associates) added2025-11-13+34,051 shares · 2025Q313F
- Ken Fisher (Fisher Asset Mgmt) added2025-11-12+2,520 shares · 2025Q313F
- Mario Gabelli (GAMCO) trimmed2025-11-12−212 shares · 2025Q313F
- Norges Bank (Norway SWF) trimmed2025-11-12−121,580 shares · 2024Q313F
Insider activity
No insider transactions in the last 30 days.
Follow-the-investor returns
If you'd copied each holder of BX…
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 | 2019Q3 | $9.51 | +1247.0% | $229.6M |
| Tom Gayner (Markel Group) | 2019Q3 | $48.92 | +161.9% | $157.5M |
| Mario Gabelli (GAMCO) | 2019Q3 | $50.14 | +155.5% | $14.7M |
| Wellington Management | 2019Q3 | $91.18 | +40.5% | $13.9M |
| Ron Baron (Baron Capital / BAMCO) | 2022Q1 | $119.18 | +7.5% | $74.3M |
| Ken Fisher (Fisher Asset Mgmt) | 2020Q1 | $134.30 | -4.6% | $1.1M |
| Steve Cohen (Point72) | 2019Q4 | $153.66 | -16.6% | $17.1M |
| Steve Cohen (Point72) | 2019Q4 | $153.66 | -16.6% | $17.1M |
| Steve Cohen (Point72) | 2019Q4 | $153.66 | -16.6% | $17.1M |
| D.E. Shaw & Co. | 2019Q3 | $153.77 | -16.7% | $15.1M |
| D.E. Shaw & Co. | 2019Q3 | $153.77 | -16.7% | $15.1M |
| D.E. Shaw & Co. | 2019Q3 | $153.77 | -16.7% | $15.1M |
| Bill Nygren (Harris / Oakmark) | 2025Q4 | $154.14 | -16.9% | $480K |
| Izzy Englander (Millennium Mgmt) | 2019Q4 | $154.34 | -17.0% | $179.0M |
| Izzy Englander (Millennium Mgmt) | 2019Q4 | $154.34 | -17.0% | $179.0M |
| Izzy Englander (Millennium Mgmt) | 2019Q4 | $154.34 | -17.0% | $179.0M |
| AQR Capital Management | 2023Q2 | $158.36 | -19.1% | $36.9M |
| Ray Dalio (Bridgewater Associates) | 2022Q3 | $160.01 | -19.9% | $220K |
| Ken Griffin (Citadel Advisors) | 2019Q3 | $161.15 | -20.5% | $205.3M |
| Ken Griffin (Citadel Advisors) | 2019Q3 | $161.15 | -20.5% | $205.3M |
| Ken Griffin (Citadel Advisors) | 2019Q3 | $161.15 | -20.5% | $205.3M |
| Norges Bank (Norway SWF) | 2020Q1 | $2446.59 | -94.8% | $1.06B |
Who moved on this name in 2025Q4
13F transactions reported for the latest quarter, grouped by direction.
New positions4
- Norges Bank (Norway SWF)+8,276,548$1.28B
- Steve Cohen (Point72)+634,970$97.9M
- D.E. Shaw & Co.+31,481$4.9M
- Bill Nygren (Harris / Oakmark)+3,750$578K
Added to6
- Ken Griffin (Citadel Advisors)+1,488,669$229.5M
- Izzy Englander (Millennium Mgmt)+431,983$66.6M
- AQR Capital Management+79,804$12.3M
- Mario Gabelli (GAMCO)+1,407$217K
- Ken Fisher (Fisher Asset Mgmt)+1,218$188K
- T. Rowe Price+148,964$23K
Trimmed3
- Ron Baron (Baron Capital / BAMCO)−36,232$5.6M
- Ray Dalio (Bridgewater Associates)−34,804$5.4M
- Wellington Management−25,912$4.0M
Exited0
—
Institutional ownership over time
Distinct super-investors holding this ticker · combined dollar value, by quarter.
| Quarter | Holders | Combined value |
|---|---|---|
| 2022Q1 | 16 | $856.76B |
| 2022Q2 | 16 | $611.65B |
| 2022Q3 | 18 | $579.3M |
| 2022Q4 | 18 | $5.29B |
| 2023Q1 | 15 | $5.83B |
| 2023Q2 | 18 | $6.06B |
| 2023Q3 | 17 | $6.47B |
| 2023Q4 | 16 | $8.26B |
| 2024Q1 | 16 | $8.17B |
| 2024Q2 | 19 | $7.92B |
| 2024Q3 | 20 | $2.14B |
| 2024Q4 | 19 | $2.52B |
| 2025Q1 | 20 | $1.34B |
| 2025Q2 | 21 | $2.31B |
| 2025Q3 | 18 | $1.37B |
| 2025Q4 | 22 | $2.98B |
Congress members trading this stock
| Date | Member | Type | Amount range | Filing |
|---|---|---|---|---|
| 2025-12-18 | Julie Johnson | Sell | $1K – $15K | PDF ↗ |
| 2025-12-11 | Dan Newhouse | Buy | $1K – $15K | PDF ↗ |
| 2025-11-13 | Julie Johnson | Sell (P) | $1K – $15K | PDF ↗ |
| 2025-10-24 | Marjorie Taylor Greene | Buy | $1K – $15K | PDF ↗ |
| 2025-08-14 | Julie Johnson | Sell (P) | $1K – $15K | PDF ↗ |
| 2025-07-11 | Ritchie John Torres | Sell | $1K – $15K | PDF ↗ |
| 2025-06-06 | Valerie Hoyle | Sell | $1K – $15K | PDF ↗ |
| 2025-05-14 | Marjorie Taylor Greene | Buy | $1K – $15K | PDF ↗ |
| 2025-05-05 | Marjorie Taylor Greene | Buy | $1K – $15K | PDF ↗ |
| 2025-04-22 | Julie Johnson | Sell (P) | $1K – $15K | PDF ↗ |
| 2025-04-15 | Valerie Hoyle | Buy | $1K – $15K | PDF ↗ |
| 2025-04-14 | Josh Gottheimer | Sell (P) | $1K – $15K | PDF ↗ |
Who owns BX
22 super-investors · 2025Q4
Tracked stake
21.13M
shares
Combined value
$2.98B
% of shares outstanding
—
shares-out unknown
Quarter action mix
New8Added10Trim3Held1
| # | Manager | Shares | Value |
|---|---|---|---|
| 1 | Norges Bank Norway SWF | 8.28M | $1.28B |
| 2 | Ken Griffin Citadel Advisors | 1.94M | $299M |
| 3 | Ken Griffin Citadel Advisors | 1.94M | $298M |
| 4 | Ken Griffin Citadel Advisors | 1.60M | $247M |
| 5 | Izzy Englander Millennium Mgmt | 1.40M | $215M |
| 6 | Tom Gayner Markel Group | 1.23M | $189M |
| 7 | Steve Cohen Point72 | 635.0K | $98M |
| 8 | Ron Baron Baron Capital / BAMCO | 580.0K | $89M |
| 9 | Izzy Englander Millennium Mgmt | 539.5K | $83M |
| 10 | AQR Capital Management | 288.3K | $44M |
| 11 | Steve Cohen Point72 | 173.6K | $27M |
| 12 | Steve Cohen Point72 | 133.7K | $21M |
| 13 | Izzy Englander Millennium Mgmt | 130.1K | $20M |
| 14 | D.E. Shaw & Co. | 117.7K | $18M |
| 15 | Mario Gabelli GAMCO | 114.6K | $18M |
| 16 | Wellington Management | 108.8K | $17M |
| 17 | D.E. Shaw & Co. | 90.0K | $14M |
| 18 | D.E. Shaw & Co. | 31.5K | $5M |
| 19 | Ken Fisher Fisher Asset Mgmt | 9.0K | $1M |
| 20 | Bill Nygren Harris / Oakmark | 3.8K | $578K |
| 21 | T. Rowe Price | 1.79M | $276K |
| 22 | Ray Dalio Bridgewater Associates | 1.7K | $264K |
Recent moves
20 transactions
- −36,232 · 2025Q4
- +3,750 · 2025Q4
- +31,481 · 2025Q4
- +634,970 · 2025Q4
- +79,804 · 2025Q4
- +148,964 · 2025Q4
- +431,983 · 2025Q4
- −25,912 · 2025Q4
- +1,488,669 · 2025Q4
- −34,804 · 2025Q4
- +8,276,548 · 2025Q4
- +1,218 · 2025Q4
- +1,407 · 2025Q4
- −42,643 · 2025Q3
- +42,257 · 2025Q3
- SOLDD.E. Shaw & Co.−87,517 · 2025Q3
- +261,604 · 2025Q3
- +15,760 · 2025Q3
- +116,988 · 2025Q3
- +34,051 · 2025Q3
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