Q3 2026 13F · SEC CIK 2003159
Brummer Multi-Strategy AB
Investment managerFiled 2026-10-27 for Q3 2026. Open the filing ↗ · All SEC filings ↗
- Reported 13F value
- $15.4M
- Reported positions
- 8
- Holdings vs S&P 500, 3 yrs
- —
- Average holding period
- 1 qtrs
Brummer Multi-Strategy AB is an investment manager that reported 8 positions worth $15.4M in its Q3 2026 13F, filed 2026-10-27. Its largest holdings were Charles Schwab Corp (the) (SCHW, 28.5%), Banco Macro S A (BMA, 16.7%), Grupo Financiero Galicia S.a (GGAL, 16.6%).
Brummer Multi-Strategy AB holdings all 8 positions.
Weights are shares of the filer's total reported 13F value, compared with Q1 2026. Share changes may reflect splits; weight changes also reflect price moves. A 13F shows long US-listed positions only, up to 135 days after the fact.
| Stock | % of 13F value | Share change | Reported value |
|---|---|---|---|
| SCHWCharles Schwab Corp (the) | 28.5% | — | $4.4M |
| BMABanco Macro S A | 16.7% | — | $2.6M |
| GGALGrupo Financiero Galicia S.a | 16.6% | — | $2.6M |
| AONAon PLC | 14.3% | — | $2.2M |
| BACBank of Amer Corp | 9.3% | — | $1.4M |
| CGCarlyle Group Inc | 5.1% | — | $780K |
| JPMJpmorgan Chase & Co | 4.8% | — | $743K |
| MSMorgan Stanley | 4.7% | — | $723K |
What Brummer Multi-Strategy AB bought and sold in Q3 2026, against Q1 2026.
New positions
- SCHW Charles Schwab Corp (the)28.5% of 13F
- BMA Banco Macro S A16.7% of 13F
- GGAL Grupo Financiero Galicia S.a16.6% of 13F
- AON Aon PLC14.3% of 13F
- BAC Bank of Amer Corp9.3% of 13F
- CG Carlyle Group Inc5.1% of 13F
- JPM Jpmorgan Chase & Co4.8% of 13F
- MS Morgan Stanley4.7% of 13F
Added to
No position grew by more than 5%.
Reduced
No position shrank by more than 5%.
Sold out
- CBRE Cbre Group Incwas 28.1%
- ADC Agree Rlty Corpwas 27.3%
- ARVN Arvinas Incwas 12.6%
- ABVX Abivax SAwas 10.4%
- MRVI Maravai Lifesciences Hldgs-Awas 9.0%
- WPC Wp Carey Incwas 8.1%
- ATAI Ataibeckley Incwas 4.1%
- GRMLW Greenland Mines Ltdwas 0.5%
Share counts compared with the Q1 2026 13F; a split also changes share counts.
How the holdings did against the S&P 500.
- 1 year
- —
- 3 years
- —
- 5 years
- —
A portfolio of the filer's 20 largest 13F positions, weighted by value, bought the trading day after each 13F was filed and held until the next one was: what copying this filer could have earned. 13Fs show long US-listed positions only, so this is an estimate of the stock picks, not the fund's reported returns.
Reported 13F value by quarter.
| Quarter | 13F value | Positions |
|---|---|---|
| Q3 2026 | $15.4M | 8 |
| Q1 2026 | $24.0M | 8 |
| Q4 2025 | $16.5M | 11 |
Questions about Brummer Multi-Strategy AB's portfolio
What stocks does Brummer Multi-Strategy AB own?
Brummer Multi-Strategy AB's latest 13F, for Q3 2026 and filed Oct 27, 2026, lists 8 positions worth $15.4M. The largest are Charles Schwab Corp (the) (SCHW) at 28.5%, Banco Macro S A (BMA) at 16.7%, Grupo Financiero Galicia S.a (GGAL) at 16.6%, Aon PLC (AON) at 14.3% and Bank of Amer Corp (BAC) at 9.3%.
What did Brummer Multi-Strategy AB buy last quarter?
In Q3 2026, Brummer Multi-Strategy AB added a new position in Charles Schwab Corp (the) (SCHW), a new position in Banco Macro S A (BMA), a new position in Grupo Financiero Galicia S.a (GGAL), a new position in Aon PLC (AON) and a new position in Bank of Amer Corp (BAC), compared with its Q1 2026 filing.
What did Brummer Multi-Strategy AB sell last quarter?
In Q3 2026, Brummer Multi-Strategy AB sold all of Cbre Group Inc (CBRE), sold all of Agree Rlty Corp (ADC), sold all of Arvinas Inc (ARVN), sold all of Abivax SA (ABVX) and sold all of Maravai Lifesciences Hldgs-A (MRVI), compared with its Q1 2026 filing.
When is Brummer Multi-Strategy AB's next 13F filing due?
13F filings are due 45 days after each quarter ends. Brummer Multi-Strategy AB's filing for the quarter ending Dec 31, 2026 is due by Feb 14, 2027; this page updates the day after it is published.