YE

Yorktown Energy Partners XI, L.P. 13F Holdings Overview (4 Positions)

CIK: 0001667954

Concentrated strategyMomentum followerQuality / disciplined sizing

Total reported value

$141.5M

Reporting period: 2026-03-31 · Number of holdings: 4

Yorktown Energy Partners XI, L.P. disclosed 4 holdings in its latest 13F filing for the period ending 2026-03-31, with total reported value of $141.5M and a quarterly turnover rate of 32.9%.

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Personality snowflake

Concentration: 100
Portfolio Stability: 32.88
Momentum/Contrarian: 100
Sector conviction: 0
Diversification: 8
Sizing Uniformity: 93.04

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 METC
-21.3%　-$22.1M
Add REPX
0.0%　$17.9M
Add EPSN
+3.2%　$4.8M
Trim METCB
-0.2%　-$2.0M

Holdings Map

New buyAddUnchangedTrim

Top 10 holdings by weight

Full holdings list this quarter

#	Ticker	Issuer	Asset Subclass	Weight	Weight Change	Shares Change	4Q Trend
1	REPX	Riley Exploration Permian In	Stock-Other	45.95%	+12.98%	—
2	METC	Ramaco Resources Inc-a	Stock-Other	32.55%	-15.16%	-21.31%
3	EPSN	Epsilon Energy LTD	Stock-Other	12.49%	+3.46%	+3.24%
4	METCB	Ramaco Resources Inc-b	Stock-Other	9.01%	-1.29%	-0.15%

Portfolio Performance

Performance for Q3 2026

-7%

Performance Last 4 Quarters

+25.7%

Based on 67% of reported portfolio value with available pricing

Stdev: +37.1%
Beta: +0.63
Alpha: +0.9%
Max Drawdown: -24.7%
Annualized Perf: +4.6%
Batting Avg vs S&P: +33.3%
Sortino: +0.53
Stutzer: +0.09
Treynor: +0.17
Sterling: +0.17
Calmar: +0.19
Information Ratio: -0.13
Tracking Error: +36.4%
Stdev Down: +20.5%
Winning Months %: +55.6%
Losing Months %: +44.4%
Best 12 Months: +47.6%
Worst 12 Months: -14.9%
Efficiency Ratio: +0.05
Sharpe: +0.29
Stdev Sectors: —
Skewness: +0.71
Kurtosis: +0.03
Upside Potential: +2.61

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	4	$141.5M	33	1REPX 2METC 3EPSN Top holdings2026-03-31 1.REPX 2.METC 3.EPSN 4.METCB
2025-12-31	4	$142.9M	46	1METC 2REPX 3METCB Top holdings2025-12-31 1.METC 2.REPX 3.METCB 4.EPSN
2025-09-30	3	$194.9M	69	1METC 2REPX 3METCB Top holdings2025-09-30 1.METC 2.REPX 3.METCB
2025-06-30	3	$115.0M	0	1METC 2REPX 3METCB Top holdings2025-06-30 1.METC 2.REPX 3.METCB
2025-03-31	3	$95.7M	100	1REPX 2METC 3METCB Top holdings2025-03-31 1.REPX 2.METC 3.METCB
2024-12-31	3	$117.2M	0	1REPX 2METC 3METCB Top holdings2024-12-31 1.REPX 2.METC 3.METCB
2024-09-30	3	$115.4M	0	1METC 2REPX 3METCB Top holdings2024-09-30 1.METC 2.REPX 3.METCB
2024-06-30	3	$122.4M	0	1METC 2REPX 3METCB Top holdings2024-06-30 1.METC 2.REPX 3.METCB
2024-03-31	4	$157.8M	0	1METC 2REPX 3METCB Top holdings2024-03-31 1.METC 2.REPX 3.METCB 4.SB9
2023-12-31	4	$148.1M	0	1METC 2REPX 3METCB Top holdings2023-12-31 1.METC 2.REPX 3.METCB 4.SB9
2023-09-30	5	$178.7M	0	1METC 2REPX 3SWN1EUR Top holdings2023-09-30 1.METC 2.REPX 3.SWN1EUR 4.METCB 5.SB9
2023-06-30	5	$167.1M	0	1REPX 2METC 3SWN1EUR Top holdings2023-06-30 1.REPX 2.METC 3.SWN1EUR 4.METCB 5.SB9
2023-03-31	4	$154.1M	0	1REPX 2METCB 3SWN1EUR Top holdings2023-03-31 1.REPX 2.METCB 3.SWN1EUR 4.SB9
2022-12-31	4	$145.1M	0	1REPX 2METCB 3SWN1EUR Top holdings2022-12-31 1.REPX 2.METCB 3.SWN1EUR 4.SB9
2022-09-30	3	$128.1M	0	1METCB 2SWN1EUR 3REPX Top holdings2022-09-30 1.METCB 2.SWN1EUR 3.REPX
2022-06-30	3	$166.9M	0	1METCB 2SWN1EUR 3REPX Top holdings2022-06-30 1.METCB 2.SWN1EUR 3.REPX
2022-03-31	3	$300.4M	0	1SWN1EUR 2METCB 3REPX Top holdings2022-03-31 1.SWN1EUR 2.METCB 3.REPX
2021-12-31	3	$243.8M	0	1SWN1EUR 2METCB 3REPX Top holdings2021-12-31 1.SWN1EUR 2.METCB 3.REPX
2021-09-30	3	$271.2M	0	1SWN1EUR 2METCB 3REPX Top holdings2021-09-30 1.SWN1EUR 2.METCB 3.REPX
2021-06-30	2	$82.3M	92	1REPX 2METCB Top holdings2021-06-30 1.REPX 2.METCB
2021-03-31	2	$70.0M	100	1REPX 2METCB Top holdings2021-03-31 1.REPX 2.METCB
2020-12-31	1	$16.1M	21	1METCB Top holdings2020-12-31 1.METCB
2020-09-30	2	$19.8M	49	1METCB 2XOGEUR Top holdings2020-09-30 1.METCB 2.XOGEUR
2020-06-30	2	$12.5M	19	1METCB 2XOGEUR Top holdings2020-06-30 1.METCB 2.XOGEUR
2020-03-31	2	$15.2M	63	1METCB 2XOGEUR Top holdings2020-03-31 1.METCB 2.XOGEUR
2019-12-31	2	$29.1M	14	1METCB 2XOGEUR Top holdings2019-12-31 1.METCB 2.XOGEUR
2019-09-30	2	$33.6M	36	1METCB 2XOGEUR Top holdings2019-09-30 1.METCB 2.XOGEUR
2019-06-30	2	$48.4M	6	1METCB 2XOGEUR Top holdings2019-06-30 1.METCB 2.XOGEUR
2019-03-31	2	$50.6M	10	1METCB 2XOGEUR Top holdings2019-03-31 1.METCB 2.XOGEUR
2018-12-31	2	$46.1M	65	1METCB 2XOGEUR Top holdings2018-12-31 1.METCB 2.XOGEUR
2018-09-30	2	$90.3M	18	1XOGEUR 2METCB Top holdings2018-09-30 1.XOGEUR 2.METCB
2018-06-30	2	$102.2M	16	1XOGEUR 2METCB Top holdings2018-06-30 1.XOGEUR 2.METCB
2018-03-31	3	$90.1M	15	1XOGEUR 2METCB 3FANG Top holdings2018-03-31 1.XOGEUR 2.METCB 3.FANG
2017-12-31	2	$100.1M	6	1XOGEUR 2METCB Top holdings2017-12-31 1.XOGEUR 2.METCB
2017-09-30	2	$103.4M	12	1XOGEUR 2METCB Top holdings2017-09-30 1.XOGEUR 2.METCB
2017-06-30	2	$91.8M	37	1XOGEUR 2METCB Top holdings2017-06-30 1.XOGEUR 2.METCB
2017-03-31	2	$134.0M	55	1XOGEUR 2METCB Top holdings2017-03-31 1.XOGEUR 2.METCB
2016-12-31	1	$86.4M	0	1XOGEUR Top holdings2016-12-31 1.XOGEUR

Holding changes this quarter

Yorktown Energy Partners XI, L.P.'s most significant position changes for 2026-03-31: Trim: Ramaco Resources Inc-a (METC) — shares -21.31%; Add: Epsilon Energy LTD (EPSN) — shares +3.24%; Trim: Ramaco Resources Inc-b (METCB) — shares -0.15%.

Position changes disclosed by Yorktown Energy Partners XI, L.P. for the quarter ending 2026-03-31, including ticker, issuer, weight change, shares change, and action
#	Ticker	Issuer	Weight Change	Shares Change	Action
1	REPX	Riley Exploration Permian In	+13%	—	Unchanged
2	EPSN	Epsilon Energy LTD	+3.5%	+3.24%	Add
3	METCB	Ramaco Resources Inc-b	-1.3%	-0.15%	Trim
4	METC	Ramaco Resources Inc-a	-15.2%	-21.31%	Trim

Filing History

Period	Filed	Type	EDGAR
2026-03-31	2026-05-15	13F-HR	View on EDGAR
2025-12-31	2026-02-17	13F-HR	View on EDGAR
2025-09-30	2025-11-14	13F-HR	View on EDGAR
2025-06-30	2025-08-14	13F-HR	View on EDGAR
2025-03-31	2025-05-15	13F-HR	View on EDGAR
2024-12-31	2025-02-14	13F-HR	View on EDGAR
2024-09-30	2024-11-13	13F-HR	View on EDGAR
2024-06-30	2024-08-13	13F-HR	View on EDGAR
2024-03-31	2024-05-15	13F-HR	View on EDGAR
2023-12-31	2024-02-14	13F-HR	View on EDGAR
2023-09-30	2023-11-14	13F-HR	View on EDGAR
2023-06-30	2023-08-14	13F-HR	View on EDGAR
2023-03-31	2023-05-12	13F-HR	View on EDGAR
2022-12-31	2023-02-14	13F-HR	View on EDGAR
2022-09-30	2022-11-14	13F-HR	View on EDGAR
2022-06-30	2022-08-11	13F-HR	View on EDGAR
2022-03-31	2022-05-16	13F-HR	View on EDGAR
2021-12-31	2022-02-14	13F-HR	View on EDGAR
2021-09-30	2021-11-15	13F-HR	View on EDGAR
2021-06-30	2021-08-16	13F-HR	View on EDGAR
2021-03-31	2021-05-17	13F-HR	View on EDGAR
2020-12-31	2021-02-16	13F-HR	View on EDGAR
2020-09-30	2020-11-16	13F-HR	View on EDGAR
2020-06-30	2020-08-14	13F-HR	View on EDGAR
2020-03-31	2020-05-15	13F-HR	View on EDGAR
2019-12-31	2020-02-14	13F-HR	View on EDGAR
2019-09-30	2019-11-14	13F-HR	View on EDGAR
2019-06-30	2019-08-14	13F-HR	View on EDGAR
2019-03-31	2019-05-15	13F-HR	View on EDGAR
2018-12-31	2019-02-14	13F-HR	View on EDGAR
2018-09-30	2018-11-14	13F-HR	View on EDGAR
2018-06-30	2018-08-14	13F-HR	View on EDGAR
2018-03-31	2018-05-15	13F-HR	View on EDGAR
2017-12-31	2018-02-14	13F-HR	View on EDGAR
2017-09-30	2017-11-14	13F-HR	View on EDGAR
2017-06-30	2017-08-14	13F-HR	View on EDGAR
2017-03-31	2017-05-15	13F-HR	View on EDGAR
2016-12-31	2017-02-14	13F-HR	View on EDGAR

FAQ

What is Yorktown Energy Partners XI, L.P. and what type of investor is it?

Yorktown Energy Partners XI, L.P. 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 $141.5M, spread across 4 disclosed positions.

What are Yorktown Energy Partners XI, L.P.'s largest equity positions?

Based on the latest 13F filing, Yorktown Energy Partners XI, L.P.'s top holdings by market value are: 1. Riley Exploration Permian In (REPX) — $65.0M (46.0%) 2. Ramaco Resources Inc-a (METC) — $46.1M (32.5%) 3. Epsilon Energy LTD (EPSN) — $17.7M (12.5%) 4. Ramaco Resources Inc-b (METCB) — $12.8M (9.0%)

What changes did Yorktown Energy Partners XI, L.P. make in its most recent portfolio filing?

In the latest reported quarter, Yorktown Energy Partners XI, L.P. made 3 notable position adjustments: 0 new positions were initiated, 1 existing holdings were added to, 2 positions were partially reduced, and 0 were completely exited. The largest of these moves: Trim: Ramaco Resources Inc-a (METC) — shares -21.31%; Add: Epsilon Energy LTD (EPSN) — shares +3.24%; Trim: Ramaco Resources Inc-b (METCB) — shares -0.15%

What sectors does Yorktown Energy Partners XI, L.P. focus on?

Sector breakdown data is not yet available for Yorktown Energy Partners XI, L.P.. Check back after the next 13F processing cycle.

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