Holders over time
- IBKR
- AXP
| Quarter | IBKR | AXP |
|---|---|---|
| Q3 2020 | 6 holders, $277m | 24 holders, $25.7bn |
| Q4 2020 | 5 holders, $265m | 21 holders, $30.8bn |
| Q1 2021 | 10 holders, $435m | 24 holders, $36.9bn |
| Q2 2021 | 8 holders, $283m | 21 holders, $42.9bn |
| Q3 2021 | 5 holders, $162m | 26 holders, $42.0bn |
| Q4 2021 | 10 holders, $543m | 27 holders, $39.7bn |
| Q1 2022 | 9 holders, $556m | 20 holders, $45.0bn |
| Q2 2022 | 12 holders, $502m | 36 holders, $33.2bn |
| Q3 2022 | 11 holders, $544m | 35 holders, $32.3bn |
| Q4 2022 | 9 holders, $389m | 35 holders, $34.4bn |
| Q1 2023 | 8 holders, $308m | 32 holders, $38.7bn |
| Q2 2023 | 10 holders, $353m | 30 holders, $40.1bn |
| Q3 2023 | 11 holders, $382m | 34 holders, $34.1bn |
| Q4 2023 | 8 holders, $512m | 28 holders, $42.5bn |
| Q1 2024 | 7 holders, $763m | 33 holders, $52.6bn |
| Q2 2024 | 8 holders, $1.0bn | 31 holders, $52.6bn |
| Q3 2024 | 12 holders, $1.0bn | 30 holders, $60.7bn |
| Q4 2024 | 15 holders, $1.3bn | 26 holders, $65.8bn |
| Q1 2025 | 18 holders, $1.5bn | 33 holders, $59.9bn |
| Q2 2025 | 16 holders, $2.5bn | 29 holders, $69.4bn |
| Q3 2025 | 15 holders, $3.0bn | 30 holders, $70.8bn |
| Q4 2025 | 19 holders, $2.9bn | 31 holders, $77.2bn |
| Q1 2026 | 17 holders, $3.9bn | 33 holders, $61.2bn |
| Q2 2026 | 24 holders, $5.6bn | 30 holders, $65.4bn |
Interactive Brokers Group Inc
- Holders
- 15
- Reported value
- $1.3bn
- Buyers
- 9
- Sellers
- 6
Breadth +3 among 94 comparable managers.
American Express Co
- Holders
- 26
- Reported value
- $65.8bn
- Buyers
- 7
- Sellers
- 16
Breadth -9 among 94 comparable managers.
Who holds both, Q4 2024
Only IBKR (12)
Brevan Howard Capital Management LP, Egerton Capital UK LLP, ExodusPoint Capital Management LP, Marshall Wace LLP, Quantbot Technologies LP, Renaissance Technologies LLC, Schonfeld Strategic Advisors LLC, Soros Fund Management LLC, Squarepoint Ops LLC, Two Sigma Advisers LP, Two Sigma Investments LP, Verition Fund Management LLC
Only AXP (23)
AllianceBernstein LP, AQR Capital Management LLC, Arrowstreet Capital LP, Artisan Partners LP, Berkshire Hathaway Inc, Bridgewater Associates LP, Capital Research Global Investors, Capital World Investors, D. E. Shaw & Co., Dodge & Cox, Fidelity (FMR LLC), First Eagle Investment Management LLC, GAMCO Investors Inc, Harris Associates LP, Holocene Advisors LP, Invesco Ltd, Janus Henderson Group Ltd, Man Group PLC, Markel Group Inc, MFS Investment Management, Ruane Cunniff & Goldfarb LP, T. Rowe Price Associates Inc, Woodline Partners LP
How much of the picture this is
A 13F is a manager’s long US-listed equity book at a quarter end, filed up to 45 days later. Buyers and sellers count comparable managers (those that filed both quarters) by shares, so a rise in value with no rise in shares is the price. Large books are listed to their largest positions. These are 95 tracked managers, not the institutional market.