Rubicon Founders LLC 13F Filing History & Holdings

CIK: 0002032489

High-turnover traderConcentrated strategyContrarian

Total reported value

$137.6M

Reporting period: 2026-03-31 · Number of holdings: 3

Rubicon Founders LLC disclosed 3 holdings in its latest 13F filing for the period ending 2026-03-31, with total reported value of $137.6M and a quarterly turnover rate of 100.0%.

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Personality snowflake

Concentration: 100
Portfolio Stability: 100
Momentum/Contrarian: 0
Sector conviction: 0
Diversification: 6
Sizing Uniformity: 85.51

Sector classification currently covers about 0% of this portfolio's disclosed value; the remainder includes holdings (e.g. unmapped tickers, options, or other security types) not yet covered by our sector mapping.

Recent moves

Trim AGL
　-$4.3B
New buy PRVA
New buy EVH

Holdings Map

New buyAddUnchangedTrim

Top 10 holdings by weight

Full holdings list this quarter

#	Ticker	Issuer	Asset Subclass	Weight	Weight Change	Shares Change
1	PRVA	Privia Health Group INC	Stock-Other	88.92%	+88.92%	NEW
2	EVH	Evolent Health INC - A	Stock-Other	9.64%	+9.64%	NEW
3	AGL	agilon health, inc.	Stock-Other	1.45%	-98.55%	—

Portfolio Performance

Performance for Q3 2026

—

Performance Last 4 Quarters

-63.6%

Based on 1% of reported portfolio value with available pricing

Stdev: +38.5%
Beta: +4.61
Alpha: -358.8%
Max Drawdown: -71.7%
Annualized Perf: -91.4%
Batting Avg vs S&P: 0%
Sortino: -3.02
Stutzer: -1.52
Treynor: -0.47
Sterling: —
Calmar: -1.27
Information Ratio: -7.05
Tracking Error: +34.9%
Stdev Down: +71.2%
Winning Months %: +16.7%
Losing Months %: +83.3%
Best 12 Months: —
Worst 12 Months: —
Efficiency Ratio: +0.62
Sharpe: -5.58
Stdev Sectors: —
Skewness: +1.37
Kurtosis: +0.58
Upside Potential: +0.1

Reported value over time

Sector allocation

Not enough sector-mapped data yet

Sector allocation over time

Quarterly history

Period	Holdings	Total value	Stability	Top holdings
2026-03-31	3	$137.6M	100	1PRVA 2EVH 3AGL Top holdings2026-03-31 1.PRVA 2.EVH 3.AGL
2025-12-31	1	$4.3B	100	1AGL Top holdings2025-12-31 1.AGL
2025-09-30	2	$193.0M	0	1PRVA 2EVH Top holdings2025-09-30 1.PRVA 2.EVH
2025-06-30	1	$14.5M	60	1AGL Top holdings2025-06-30 1.AGL
2025-03-31	1	$26.8M	0	1AGL Top holdings2025-03-31 1.AGL
2024-12-31	1	$112.9M	0	1PRVA Top holdings2024-12-31 1.PRVA
2024-09-30	1	$105.1M	0	1PRVA Top holdings2024-09-30 1.PRVA
2024-06-30	1	$100.3M	0	1PRVA Top holdings2024-06-30 1.PRVA
2024-03-31	1	$102.1M	0	1PRVA Top holdings2024-03-31 1.PRVA
2023-12-31	1	$120.0M	0	1PRVA Top holdings2023-12-31 1.PRVA

Holding changes this quarter

Rubicon Founders LLC's most significant position changes for 2026-03-31: New buy: Privia Health Group INC (PRVA); New buy: Evolent Health INC - A (EVH); Trim: agilon health, inc. (AGL).

Position changes disclosed by Rubicon Founders LLC for the quarter ending 2026-03-31, including ticker, issuer, weight change, shares change, and action
#	Ticker	Issuer	Weight Change	Shares Change	Action
1	AGL	agilon health, inc.	-98.6%	—	Trim
2	PRVA	Privia Health Group INC	—	NEW	New buy
3	EVH	Evolent Health INC - A	—	NEW	New buy

Filing History

Period	Filed	Type	EDGAR
2026-03-31	2026-05-15	13F-HR	View on EDGAR
2025-12-31	2026-05-15	Amendment	View on EDGAR
2025-12-31	2026-02-17	13F-HR	View on EDGAR
2025-09-30	2026-05-15	Amendment	View on EDGAR
2025-09-30	2025-11-14	13F-HR	View on EDGAR
2025-06-30	2026-05-15	Amendment	View on EDGAR
2025-06-30	2025-11-17	Amendment	View on EDGAR
2025-06-30	2025-08-14	13F-HR	View on EDGAR
2025-03-31	2026-05-15	Amendment	View on EDGAR
2025-03-31	2025-11-17	Amendment	View on EDGAR
2025-03-31	2025-05-15	13F-HR	View on EDGAR
2024-12-31	2025-02-12	13F-HR	View on EDGAR
2024-09-30	2024-11-14	13F-HR	View on EDGAR
2024-06-30	2024-11-14	13F-HR	View on EDGAR
2024-03-31	2024-11-14	13F-HR	View on EDGAR
2023-12-31	2024-11-14	13F-HR	View on EDGAR

FAQ

What is Rubicon Founders LLC and what type of investor is it?

Rubicon Founders LLC 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 $137.6M, spread across 3 disclosed positions.

What are Rubicon Founders LLC's largest equity positions?

Based on the latest 13F filing, Rubicon Founders LLC's top holdings by market value are: 1. Privia Health Group INC (PRVA) — $122.4M (88.9%) 2. Evolent Health INC - A (EVH) — $13.3M (9.6%) 3. agilon health, inc. (AGL) — $2.0M (1.4%)

What changes did Rubicon Founders LLC make in its most recent portfolio filing?

In the latest reported quarter, Rubicon Founders LLC made 3 notable position adjustments: 2 new positions were initiated, 0 existing holdings were added to, 1 positions were partially reduced, and 0 were completely exited. The largest of these moves: New buy: Privia Health Group INC (PRVA); New buy: Evolent Health INC - A (EVH); Trim: agilon health, inc. (AGL)

What sectors does Rubicon Founders LLC focus on?

Sector breakdown data is not yet available for Rubicon Founders LLC. Check back after the next 13F processing cycle.

Peer Institutions

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Clayton Partners LLC

CIK 0001550509

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Portfolio Stability33.5

Sector conviction51.1

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Cooksen Wealth, LLC

CIK 0002016393

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$137.7M

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Portfolio Stability4.9

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LSP Investment Advisors, LLC

CIK 0001728850

Total reported value

$137.7M

19 stks

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Concentration65.6

Portfolio Stability32.5

Sector conviction100.0

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Similar Holdings Style

Institutions with overlapping top holdings

Voce Capital Management LLC

CIK 0001563530

Total reported value

$57.8M

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Stale — no recent filing

Concentration0.0

Portfolio Stability0.0

Sector conviction0.0

1 of the top 5 holdings overlap, including Evolent Health INC - A

View detail

Personality snowflake

Concentration

100

Portfolio Stability

100

Momentum/Contrarian

Sector conviction

Diversification

Sizing Uniformity

85.51

Ticker

Issuer

Asset Subclass

Weight

Weight Change

Shares Change

4Q Trend

PRVA

Privia Health Group INC

Stock-Other

88.92%

+88.92%

NEW

EVH

Evolent Health INC - A

Stock-Other

9.64%

+9.64%

NEW

AGL

agilon health, inc.

Stock-Other

1.45%

-98.55%

—

Portfolio Performance

Performance for Q3 2026

—

Performance Last 4 Quarters

-63.6%

Based on 1% of reported portfolio value with available pricing

Stdev: +38.5%
Beta: +4.61
Alpha: -358.8%
Max Drawdown: -71.7%
Annualized Perf: -91.4%
Batting Avg vs S&P: 0%
Sortino: -3.02
Stutzer: -1.52
Treynor: -0.47
Sterling: —
Calmar: -1.27
Information Ratio: -7.05
Tracking Error: +34.9%
Stdev Down: +71.2%
Winning Months %: +16.7%
Losing Months %: +83.3%
Best 12 Months: —
Worst 12 Months: —
Efficiency Ratio: +0.62
Sharpe: -5.58
Stdev Sectors: —
Skewness: +1.37
Kurtosis: +0.58
Upside Potential: +0.1

Quarterly history

Period	Holdings	Total value	Stability	Top holdings
2026-03-31	3	$137.6M	100	1PRVA 2EVH 3AGL Top holdings2026-03-31 1.PRVA 2.EVH 3.AGL
2025-12-31	1	$4.3B	100	1AGL Top holdings2025-12-31 1.AGL
2025-09-30	2	$193.0M	0	1PRVA 2EVH Top holdings2025-09-30 1.PRVA 2.EVH
2025-06-30	1	$14.5M	60	1AGL Top holdings2025-06-30 1.AGL
2025-03-31	1	$26.8M	0	1AGL Top holdings2025-03-31 1.AGL
2024-12-31	1	$112.9M	0	1PRVA Top holdings2024-12-31 1.PRVA
2024-09-30	1	$105.1M	0	1PRVA Top holdings2024-09-30 1.PRVA
2024-06-30	1	$100.3M	0	1PRVA Top holdings2024-06-30 1.PRVA
2024-03-31	1	$102.1M	0	1PRVA Top holdings2024-03-31 1.PRVA
2023-12-31	1	$120.0M	0	1PRVA Top holdings2023-12-31 1.PRVA

Ticker

Issuer

Weight Change

Shares Change

Action

AGL

agilon health, inc.

-98.6%

—

Trim

PRVA

Privia Health Group INC

—

NEW

New buy

EVH

Evolent Health INC - A

—

NEW

New buy

Filing History

Period	Filed	Type	EDGAR
2026-03-31	2026-05-15	13F-HR	View on EDGAR
2025-12-31	2026-05-15	Amendment	View on EDGAR
2025-12-31	2026-02-17	13F-HR	View on EDGAR
2025-09-30	2026-05-15	Amendment	View on EDGAR
2025-09-30	2025-11-14	13F-HR	View on EDGAR
2025-06-30	2026-05-15	Amendment	View on EDGAR
2025-06-30	2025-11-17	Amendment	View on EDGAR
2025-06-30	2025-08-14	13F-HR	View on EDGAR
2025-03-31	2026-05-15	Amendment	View on EDGAR
2025-03-31	2025-11-17	Amendment	View on EDGAR
2025-03-31	2025-05-15	13F-HR	View on EDGAR
2024-12-31	2025-02-12	13F-HR	View on EDGAR
2024-09-30	2024-11-14	13F-HR	View on EDGAR
2024-06-30	2024-11-14	13F-HR	View on EDGAR
2024-03-31	2024-11-14	13F-HR	View on EDGAR
2023-12-31	2024-11-14	13F-HR	View on EDGAR

FAQ

What is Rubicon Founders LLC and what type of investor is it?

What are Rubicon Founders LLC's largest equity positions?

What changes did Rubicon Founders LLC make in its most recent portfolio filing?

What sectors does Rubicon Founders LLC focus on?

Sector breakdown data is not yet available for Rubicon Founders LLC. Check back after the next 13F processing cycle.