Ticker · CUSIP 097023105
Holders (tracked)
26
Combined shares
43,228,814
Combined value
$6.89B
Last close
$218.88
Quarter
2025Q4
Tracked holders · last 8 quarters
+2 vs previous quarter over the last 8.
26192024Q12025Q4
Price is +37.3% vs the avg quarter-end implied price across tracked holders.

SEC event timeline

28 events
  1. −316,053 shares · 2025Q4
    13F
  2. +496,218 shares · 2025Q4
    13F
  3. −1,501,364 shares · 2025Q4
    13F
  4. +59,621 shares · 2025Q4
    13F
  5. +781,331 shares · 2025Q4
    13F
  6. +942,536 shares · 2025Q4
    13F
  7. −372,457 shares · 2025Q4
    13F
  8. −3,933,166 shares · 2025Q4
    13F
  9. −1,979,762 shares · 2025Q4
    13F
  10. +14,253 shares · 2025Q4
    13F
  11. −6,453 shares · 2025Q4
    13F
  12. −84,716 shares · 2025Q4
    13F
  13. +135,860 shares · 2025Q4
    13F
  14. +20,479 shares · 2025Q4
    13F
  15. −10,077 shares · 2025Q3
    13F
  16. +175,486 shares · 2025Q3
    13F
  17. +236,525 shares · 2025Q3
    13F
  18. −887,883 shares · 2025Q3
    13F
  19. −85,740 shares · 2025Q3
    13F
  20. +747,862 shares · 2025Q3
    13F
  21. −2,277,977 shares · 2025Q3
    13F
  22. −237,869 shares · 2025Q3
    13F
  23. −69,983 shares · 2025Q3
    13F
  24. +140,200 shares · 2025Q3
    13F
  25. −90 shares · 2025Q3
    13F
  26. +6,453 shares · 2025Q3
    13F
  27. −4,768 shares · 2025Q3
    13F
  28. +177,597 shares · 2025Q3
    13F

Insider activity

No insider transactions in the last 30 days.
Follow-the-investor returns
If you'd copied each holder of BA…
Cost basis inferred from 13F share-delta history. Sorted by % return on the position they're still holding.
InvestorFirst inCost basisReturnPosition value today
T. Rowe Price2016Q1$19.14+1043.4%$2.52B
Mario Gabelli (GAMCO)2016Q1$111.62+96.1%$26.2M
Wellington Management2016Q1$178.17+22.8%$286.8M
Jeremy Grantham (GMO)2017Q3$183.90+19.0%$1.2M
Andreas Halvorsen (Viking Global)2018Q4$190.32+15.0%$865.3M
Renaissance Technologies2016Q2$192.56+13.7%$133.7M
Ken Fisher (Fisher Asset Mgmt)2016Q1$201.14+8.8%$1.23B
AQR Capital Management2016Q1$208.17+5.1%$86.6M
Ken Griffin (Citadel Advisors)2016Q1$212.62+2.9%$447.1M
Ken Griffin (Citadel Advisors)2016Q1$212.62+2.9%$447.1M
Ken Griffin (Citadel Advisors)2016Q1$212.62+2.9%$447.1M
Izzy Englander (Millennium Mgmt)2016Q1$215.10+1.8%$108.4M
Izzy Englander (Millennium Mgmt)2016Q1$215.10+1.8%$108.4M
Izzy Englander (Millennium Mgmt)2016Q1$215.10+1.8%$108.4M
Steve Cohen (Point72)2017Q1$216.87+0.9%$61.7M
Steve Cohen (Point72)2017Q1$216.87+0.9%$61.7M
Steve Cohen (Point72)2017Q1$216.87+0.9%$61.7M
Paul Tudor Jones (Tudor Investment)2016Q1$217.04+0.8%$27.6M
Paul Tudor Jones (Tudor Investment)2016Q1$217.04+0.8%$27.6M
Paul Tudor Jones (Tudor Investment)2016Q1$217.04+0.8%$27.6M
D.E. Shaw & Co.2016Q1$217.05+0.8%$507.9M
D.E. Shaw & Co.2016Q1$217.05+0.8%$507.9M
D.E. Shaw & Co.2016Q1$217.05+0.8%$507.9M
Two Sigma Investments2016Q1$217.12+0.8%$34.4M
Two Sigma Investments2016Q1$217.12+0.8%$34.4M
Two Sigma Investments2016Q1$217.12+0.8%$34.4M

Who moved on this name in 2025Q4

13F transactions reported for the latest quarter, grouped by direction.
New positions1
Trimmed6

Institutional ownership over time

Distinct super-investors holding this ticker · combined dollar value, by quarter.
QuarterHoldersCombined value
2022Q1
22
$11.31B
2022Q2
20
$8.19B
2022Q3
18
$6.6M
2022Q4
20
$9.15B
2023Q1
22
$11.22B
2023Q2
23
$11.87B
2023Q3
21
$11.07B
2023Q4
19
$14.50B
2024Q1
19
$12.46B
2024Q2
21
$11.44B
2024Q3
22
$3.84B
2024Q4
23
$7.69B
2025Q1
23
$6.13B
2025Q2
24
$7.48B
2025Q3
24
$7.29B
2025Q4
26
$6.89B
Congress members trading this stock
DateMemberTypeAmount rangeFiling
2026-02-02Julia LetlowBuy$1K – $15KPDF ↗
2025-12-19Gilbert CisnerosBuy$1K – $15KPDF ↗
2025-12-09David RouzerSell$1K – $15KPDF ↗
2025-12-09David RouzerSell$1K – $15KPDF ↗
2025-12-03Julie JohnsonSell$1K – $15KPDF ↗
2025-11-12Gilbert CisnerosSell (P)$1K – $15KPDF ↗
2025-09-23Valerie HoyleSell$1K – $15KPDF ↗
2025-07-25Julia LetlowSell (P)$1K – $15KPDF ↗
2025-05-30Gilbert CisnerosBuy$1K – $15KPDF ↗
2025-05-12Jefferson ShreveSell$50K – $100KPDF ↗
2025-05-05Marjorie Taylor GreeneBuy$1K – $15KPDF ↗
2025-04-21Bruce WestermanSell$1K – $15KPDF ↗

Who owns BA

26 super-investors · 2025Q4
Tracked stake
43.23M
shares
Combined value
$6.89B
% of shares outstanding
shares-out unknown
Quarter action mix
New3Added10Trim12Held1
#ManagerSharesValue
1Ken Fisher
Fisher Asset Mgmt
5.64M$1.22B
2Ken Griffin
Citadel Advisors
4.62M$1.00B
3Ken Griffin
Citadel Advisors
4.46M$969M
4Andreas Halvorsen
Viking Global
3.95M$858M
5D.E. Shaw & Co.2.32M$504M
6Ken Griffin
Citadel Advisors
2.04M$444M
7Izzy Englander
Millennium Mgmt
1.56M$339M
8D.E. Shaw & Co.1.38M$299M
9Wellington Management1.31M$284M
10Two Sigma Investments808.9K$176M
11Renaissance Technologies610.9K$133M
12Izzy Englander
Millennium Mgmt
602.1K$131M
13Izzy Englander
Millennium Mgmt
495.2K$108M
14AQR Capital Management395.7K$86M
15Paul Tudor Jones
Tudor Investment
389.4K$85M
16Steve Cohen
Point72
282.0K$61M
17Steve Cohen
Point72
204.6K$44M
18Two Sigma Investments160.3K$35M
19Two Sigma Investments157.3K$34M
20Paul Tudor Jones
Tudor Investment
126.3K$27M
21Mario Gabelli
GAMCO
119.5K$26M
22Steve Cohen
Point72
54.3K$12M
23Paul Tudor Jones
Tudor Investment
14.3K$3M
24T. Rowe Price11.51M$2M
25D.E. Shaw & Co.9.4K$2M
26Jeremy Grantham
GMO
5.5K$1M

Recent moves

20 transactions
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