Stocks/Funds/CIK 1503466

Yorktown Energy Partners IX, L.P.

microcap filerlong-term holderconcentrated
Quarterly 13F filings · Latest period 2026-03-31 · CIK 1503466
Assets
$58M
+55.3% YoY
Holdings
3
Lifetime alpha vs market
-13.69% annual
Average hold time
2.2 yr
median 3.0 yr

Quarterly history

Cum return -23% vs S&P -4% · α -19% lifetimeAUM $58M · peak $286MFlow $-44M (-58%)2016-122018-062019-122021-062022-122024-062025-122026-03
AUM ($B)fundS&P 500(gap = α)/ Flow in/out

Behavior signals (lifetime)

Dip response
-13.14%
trims when stocks drop
when a holding falls −10%+
Middle response
+0.00%
baseline attrition
Rally response
+0.00%
adds into rallies
when a holding rises +10%+

Top positions · 3

Ticker$ value% portYoYHold time
$38M65.5%3.0 yr
METCBRamaco Resources, Inc.$13M21.9%3.0 yr
EPSNEpsilon Energy Ltd.$7M12.6%-9.0%0.5 yr

Portfolio composition (YoY)

Industry mix
Unknown65.5%-15.0pp$38M
Coal21.9%+2.4pp$13M
Oil & Gas Exploration & Production12.6%$7M
Country
Unknown65.5%-15.0pp
US34.5%+15.0pp
Top 5: 100.0% · Top 10: 100.0% · Top 25: 100.0%

Winners

TickerPrev $PnLYoY %

Losers

TickerPrev $PnLYoY %

Top buys this quarter · 0

No buys this quarter

Top sells this quarter · 2

METCB Ramaco Resources, Inc.$0M
$0M

Quarterly history (TTM returns)

PeriodAUM# PosReturn (1yr)SPY (1yr)Alpha (1yr)Flow
2026-03-31$58M3+34.20%-4.37%+38.57%-0.04B
2025-12-31$76M3-0.05B
2025-09-30$123M2+0.07B
2025-06-30$57M2+0.02B
2025-03-31$37M2-0.01B
2024-12-31$51M2-0.02B
2024-09-30$68M2-0.00B
2024-06-30$72M2-0.02B
2024-03-31$96M3-0.00B
2023-12-31$98M3+0.01B
2023-09-30$84M4+0.02B
2023-06-30$68M4-31.71%+19.42%-51.14%+0.01B
2023-03-31$56M3-41.95%-7.82%-34.13%-0.00B
2022-12-31$57M3-3.56%+7.56%-11.12%+0.00B
2022-09-30$59M2-29.28%-4.93%-24.35%+0.00B
2022-06-30$83M2-16.17%-16.11%-0.06%-0.04B