Brummer Multi-Strategy AB SEC 13F Disclosure Analysis

High-turnover traderSector-focusedContrarian

Total reported value

$24.0M

Reporting period: 2026-03-31 · Number of holdings: 8

Brummer Multi-Strategy AB disclosed 8 holdings in its latest 13F filing for the period ending 2026-03-31, with total reported value of $24.0M and a quarterly turnover rate of 145.6%.

Browse other institutions with under $100M AUM Browse other institutions starting with "B"

Personality snowflake

Concentration: 78.61
Portfolio Stability: 100
Momentum/Contrarian: 0
Sector conviction: 100
Diversification: 16
Sizing Uniformity: 91.91

Recent moves

Trim ABVX
+56.0%　$558.8K
Add ARVN
+71.4%　$1.0M
Trim GRML
-39.0%　-$53.2K
Trim MRVI
+66.0%　$662.5K
New buy CBRE
New buy ADC

Holdings Map

New buyAddUnchangedTrim

Top 10 holdings by weight

Full holdings list this quarter

#	Ticker	Issuer	Asset Subclass	Weight	Weight Change	Shares Change
1	CBRE	Cbre Group INC - A	Stock-Real Estate	28.09%	+28.09%	NEW
2	ADC	Agree Realty CORP	Stock-Real Estate	27.34%	+27.34%	NEW
3	ARVN	Arvinas INC	Stock-Other	12.58%	+0.65%	+71.38%
4	ABVX	Abivax Sa-adr	Stock-Other	10.40%	-1.32%	+56.02%
5	MRVI	Maravai Lifesciences Hldgs-a	Stock-Other	8.95%	-0.04%	+65.99%
6	WPC	Wp Carey INC	Stock-Real Estate	8.07%	+8.07%	NEW
7	ATAI	Ataibeckley INC	Stock-Other	4.06%	+4.06%	NEW
8	GRML	Greenland Mines LTD	Stock-Other	0.51%	-0.55%	-39.01%

Portfolio Performance

Performance for Q3 2026

+21%

Performance Last 4 Quarters

+28.7%

Stdev: +26.2%
Beta: +1.09
Alpha: -17.5%
Max Drawdown: -25.5%
Annualized Perf: +0.4%
Batting Avg vs S&P: +30.8%
Sortino: +0.2
Stutzer: +0.04
Treynor: +0.03
Sterling: +0.01
Calmar: +0.01
Information Ratio: -0.72
Tracking Error: +22.1%
Stdev Down: +18.8%
Winning Months %: +53.8%
Losing Months %: +46.2%
Best 12 Months: +30.5%
Worst 12 Months: -19.8%
Efficiency Ratio: +0.01
Sharpe: +0.14
Stdev Sectors: 0%
Skewness: -0.44
Kurtosis: -0.48
Upside Potential: +1.98

Reported value over time

Sector allocation

Sector allocation over time

Quarterly history

Period	Holdings	Total value	Stability	Top holdings
2026-03-31	8	$24.0M	100	1CBRE 2ADC 3ARVN Top holdings2026-03-31 1.CBRE 2.ADC 3.ARVN 4.ABVX 5.MRVI 6.WPC 7.ATAI 8.GRML
2025-12-31	11	$16.5M	100	1NMRK 2CI 3ARVN Top holdings2025-12-31 1.NMRK 2.CI 3.ARVN 4.ABVX 5.IQV 6.MRVI 7.BDX 8.ATAI 9.SLNOEUR 10.GRML
2025-09-30	4	$5.5M	0	1NMRK 2PTCT 3CIGI Top holdings2025-09-30 1.NMRK 2.PTCT 3.CIGI 4.BDX
2024-03-31	1	$4.6M	0	1GEHC Top holdings2024-03-31 1.GEHC
2023-12-31	1	$3.9M	0	1GEHC Top holdings2023-12-31 1.GEHC

Holding changes this quarter

Brummer Multi-Strategy AB's most significant position changes for 2026-03-31: New buy: Cbre Group INC - A (CBRE); New buy: Agree Realty CORP (ADC); Sold out: Newmark Group Inc-class A (NMRK); Sold out: THE Cigna Group (CI); New buy: Wp Carey INC (WPC).

Position changes disclosed by Brummer Multi-Strategy AB for the quarter ending 2026-03-31, including ticker, issuer, weight change, shares change, and action
#	Ticker	Issuer	Weight Change	Shares Change	Action
1	ARVN	Arvinas INC	+0.7%	+71.38%	Add
2	MRVI	Maravai Lifesciences Hldgs-a	0%	+65.99%	Add
3	GRML	Greenland Mines LTD	-0.6%	-39.01%	Trim
4	ABVX	Abivax Sa-adr	-1.3%	+56.02%	Add
5	CBRE	Cbre Group INC - A	—	NEW	New buy
6	ADC	Agree Realty CORP	—	NEW	New buy
7	NMRK	Newmark Group Inc-class A	—	EXIT	Sold out
8	CI	THE Cigna Group	—	EXIT	Sold out
9	WPC	Wp Carey INC	—	NEW	New buy
10	IQV	Iqvia Holdings INC	—	EXIT	Sold out
11	BDX	Becton Dickinson And Co	—	EXIT	Sold out
12	ATAI	Ataibeckley INC	—	NEW	New buy
13	ATAI	AtaiBeckley Inc.	—	EXIT	Sold out
14	SLNOEUR	Soleno Therapeutics INC	—	EXIT	Sold out
15	FHTX	Foghorn Therapeutics INC	—	EXIT	Sold out

FAQ

What is Brummer Multi-Strategy AB and what type of investor is it?

Brummer Multi-Strategy AB is a investment manager that files SEC Form 13F quarterly, disclosing its U.S. public equity holdings to regulators. As of the most recent reporting period (2026-03-31), the firm manages a tracked equity portfolio valued at approximately $24.0M, spread across 8 disclosed positions.

What are Brummer Multi-Strategy AB's largest equity positions?

Based on the latest 13F filing, Brummer Multi-Strategy AB's top holdings by market value are: 1. Cbre Group INC - A (CBRE) — $6.7M (28.1%) 2. Agree Realty CORP (ADC) — $6.6M (27.3%) 3. Arvinas INC (ARVN) — $3.0M (12.6%) 4. Abivax Sa-adr (ABVX) — $2.5M (10.4%) 5. Maravai Lifesciences Hldgs-a (MRVI) — $2.2M (8.9%)

What changes did Brummer Multi-Strategy AB make in its most recent portfolio filing?

In the latest reported quarter, Brummer Multi-Strategy AB made 15 notable position adjustments: 4 new positions were initiated, 3 existing holdings were added to, 1 positions were partially reduced, and 7 were completely exited. The largest of these moves: New buy: Cbre Group INC - A (CBRE); New buy: Agree Realty CORP (ADC); Sold out: Newmark Group Inc-class A (NMRK); Sold out: THE Cigna Group (CI); New buy: Wp Carey INC (WPC)

What sectors does Brummer Multi-Strategy AB focus on?

Brummer Multi-Strategy AB is concentrated in the following sectors based on its current disclosed equity portfolio: • Real Estate: 100.0%

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Wheatland Advisors Inc

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Similar Holdings Style

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Portfolio Stability31.1

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View detail

300 North Capital, LLC

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Total reported value

$16.3M

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1 of the top 5 holdings overlap, including Cbre Group INC - A

View detail

Scout Investments, INC.

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Total reported value

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1 of the top 5 holdings overlap, including Agree Realty CORP

View detail

Brummer Multi-Strategy AB SEC 13F Disclosure Analysis

High-turnover traderSector-focusedContrarian

Total reported value

$24.0M

Reporting period: 2026-03-31 · Number of holdings: 8

Brummer Multi-Strategy AB disclosed 8 holdings in its latest 13F filing for the period ending 2026-03-31, with total reported value of $24.0M and a quarterly turnover rate of 145.6%.

Browse other institutions with under $100M AUM Browse other institutions starting with "B"

Personality snowflake

Concentration: 78.61
Portfolio Stability: 100
Momentum/Contrarian: 0
Sector conviction: 100
Diversification: 16
Sizing Uniformity: 91.91

Recent moves

Trim ABVX
+56.0%　$558.8K
Add ARVN
+71.4%　$1.0M
Trim GRML
-39.0%　-$53.2K
Trim MRVI
+66.0%　$662.5K
New buy CBRE
New buy ADC

Holdings Map

New buyAddUnchangedTrim

Top 10 holdings by weight

Full holdings list this quarter

#	Ticker	Issuer	Asset Subclass	Weight	Weight Change	Shares Change
1	CBRE	Cbre Group INC - A	Stock-Real Estate	28.09%	+28.09%	NEW
2	ADC	Agree Realty CORP	Stock-Real Estate	27.34%	+27.34%	NEW
3	ARVN	Arvinas INC	Stock-Other	12.58%	+0.65%	+71.38%
4	ABVX	Abivax Sa-adr	Stock-Other	10.40%	-1.32%	+56.02%
5	MRVI	Maravai Lifesciences Hldgs-a	Stock-Other	8.95%	-0.04%	+65.99%
6	WPC	Wp Carey INC	Stock-Real Estate	8.07%	+8.07%	NEW
7	ATAI	Ataibeckley INC	Stock-Other	4.06%	+4.06%	NEW
8	GRML	Greenland Mines LTD	Stock-Other	0.51%	-0.55%	-39.01%

Portfolio Performance

Performance for Q3 2026

+21%

Performance Last 4 Quarters

+28.7%

Stdev: +26.2%
Beta: +1.09
Alpha: -17.5%
Max Drawdown: -25.5%
Annualized Perf: +0.4%
Batting Avg vs S&P: +30.8%
Sortino: +0.2
Stutzer: +0.04
Treynor: +0.03
Sterling: +0.01
Calmar: +0.01
Information Ratio: -0.72
Tracking Error: +22.1%
Stdev Down: +18.8%
Winning Months %: +53.8%
Losing Months %: +46.2%
Best 12 Months: +30.5%
Worst 12 Months: -19.8%
Efficiency Ratio: +0.01
Sharpe: +0.14
Stdev Sectors: 0%
Skewness: -0.44
Kurtosis: -0.48
Upside Potential: +1.98

Reported value over time

Sector allocation

Sector allocation over time

Quarterly history

Period	Holdings	Total value	Stability	Top holdings
2026-03-31	8	$24.0M	100	1CBRE 2ADC 3ARVN Top holdings2026-03-31 1.CBRE 2.ADC 3.ARVN 4.ABVX 5.MRVI 6.WPC 7.ATAI 8.GRML
2025-12-31	11	$16.5M	100	1NMRK 2CI 3ARVN Top holdings2025-12-31 1.NMRK 2.CI 3.ARVN 4.ABVX 5.IQV 6.MRVI 7.BDX 8.ATAI 9.SLNOEUR 10.GRML
2025-09-30	4	$5.5M	0	1NMRK 2PTCT 3CIGI Top holdings2025-09-30 1.NMRK 2.PTCT 3.CIGI 4.BDX
2024-03-31	1	$4.6M	0	1GEHC Top holdings2024-03-31 1.GEHC
2023-12-31	1	$3.9M	0	1GEHC Top holdings2023-12-31 1.GEHC

Holding changes this quarter

Position changes disclosed by Brummer Multi-Strategy AB for the quarter ending 2026-03-31, including ticker, issuer, weight change, shares change, and action
#	Ticker	Issuer	Weight Change	Shares Change	Action
1	ARVN	Arvinas INC	+0.7%	+71.38%	Add
2	MRVI	Maravai Lifesciences Hldgs-a	0%	+65.99%	Add
3	GRML	Greenland Mines LTD	-0.6%	-39.01%	Trim
4	ABVX	Abivax Sa-adr	-1.3%	+56.02%	Add
5	CBRE	Cbre Group INC - A	—	NEW	New buy
6	ADC	Agree Realty CORP	—	NEW	New buy
7	NMRK	Newmark Group Inc-class A	—	EXIT	Sold out
8	CI	THE Cigna Group	—	EXIT	Sold out
9	WPC	Wp Carey INC	—	NEW	New buy
10	IQV	Iqvia Holdings INC	—	EXIT	Sold out
11	BDX	Becton Dickinson And Co	—	EXIT	Sold out
12	ATAI	Ataibeckley INC	—	NEW	New buy
13	ATAI	AtaiBeckley Inc.	—	EXIT	Sold out
14	SLNOEUR	Soleno Therapeutics INC	—	EXIT	Sold out
15	FHTX	Foghorn Therapeutics INC	—	EXIT	Sold out