Ampfield Management, L.P. 13F Holdings Overview (5 Positions)

CIK: 0001853635

Concentrated strategyMomentum followerQuality / disciplined sizing

Total reported value

$80.8M

Reporting period: 2026-03-31 · Number of holdings: 5

Ampfield Management, L.P. disclosed 5 holdings in its latest 13F filing for the period ending 2026-03-31, with total reported value of $80.8M and a quarterly turnover rate of 69.8%.

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

Personality snowflake

Concentration: 100
Portfolio Stability: 69.79
Momentum/Contrarian: 100
Sector conviction: 0
Diversification: 10
Sizing Uniformity: 92.65

Sector classification currently covers about 45% 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 TDG
-25.8%　-$15.5M
Add ESQ
+23.0%　$5.7M
New buy NBN
New buy SABR
Sold out SNCR
Unchanged ROST
0.0%　$61.0K

Holdings Map

New buyAddUnchangedTrim

Top 10 holdings by weight

Full holdings list this quarter

#	Ticker	Issuer	Asset Subclass	Weight	Weight Change	Shares Change
1	TDG	Transdigm Group INC	Stock-Industrials	35.09%	-30.71%	-25.85%
2	ESQ	Esquire Financial Holdings I	Stock-Other	31.03%	+2.01%	+23.02%
3	NBN	Northeast Bank	Stock-Other	24.14%	+24.14%	NEW
4	SABR	Sabre CORP	Stock-Tech	9.29%	+9.29%	NEW
5	ROST	Ross Stores INC	Stock-Consumer Disc	0.45%	—	—

Portfolio Performance

Performance for Q3 2026

+11%

Performance Last 4 Quarters

-1.4%

Stdev: +26.3%
Beta: +1.11
Alpha: -9%
Max Drawdown: -18.1%
Annualized Perf: +8.5%
Batting Avg vs S&P: +41.7%
Sortino: +0.73
Stutzer: +0.13
Treynor: +0.1
Sterling: +0.37
Calmar: +0.47
Information Ratio: -0.32
Tracking Error: +21.9%
Stdev Down: +15.8%
Winning Months %: +55.6%
Losing Months %: +44.4%
Best 12 Months: +39.1%
Worst 12 Months: -1.4%
Efficiency Ratio: +0.13
Sharpe: +0.44
Stdev Sectors: +32.8%
Skewness: +0.4
Kurtosis: +0.81
Upside Potential: +2.61

Reported value over time

Sector allocation

Sector allocation over time

Quarterly history

Period	Holdings	Total value	Stability	Top holdings
2026-03-31	5	$80.8M	70	1TDG 2ESQ 3NBN Top holdings2026-03-31 1.TDG 2.ESQ 3.NBN 4.SABR 5.ROST
2025-12-31	4	$66.7M	39	1TDG 2ESQ 3SNCR Top holdings2025-12-31 1.TDG 2.ESQ 3.SNCR 4.ROST
2025-09-30	4	$89.7M	11	1TDG 2ESQ 3FIVE Top holdings2025-09-30 1.TDG 2.ESQ 3.FIVE 4.ROST
2025-06-30	5	$133.8M	0	1TDG 2BOOT 3ESQ Top holdings2025-06-30 1.TDG 2.BOOT 3.ESQ 4.FIVE 5.ROST
2025-03-31	4	$85.0M	100	1TDG 2ESQ 3FIVE Top holdings2025-03-31 1.TDG 2.ESQ 3.FIVE 4.ROST
2024-12-31	4	$96.1M	0	1TDG 2FIVE 3ESQ Top holdings2024-12-31 1.TDG 2.FIVE 3.ESQ 4.ROST
2024-09-30	4	$95.9M	0	1TDG 2FIVE 3ESQ Top holdings2024-09-30 1.TDG 2.FIVE 3.ESQ 4.ROST
2024-06-30	5	$108.5M	0	1TDG 2LGIH 3FIVE Top holdings2024-06-30 1.TDG 2.LGIH 3.FIVE 4.17144M 5.ROST
2024-03-31	5	$144.5M	0	1LGIH 2TDG 3FIVE Top holdings2024-03-31 1.LGIH 2.TDG 3.FIVE 4.17144M 5.ROST
2023-12-31	5	$153.2M	0	1LGIH 2TDG 3FIVE Top holdings2023-12-31 1.LGIH 2.TDG 3.FIVE 4.ROST 5.17144M
2023-09-30	3	$111.8M	0	1LGIH 2TDG 3FIVE Top holdings2023-09-30 1.LGIH 2.TDG 3.FIVE
2023-06-30	3	$139.9M	0	1LGIH 2TDG 3FIVE Top holdings2023-06-30 1.LGIH 2.TDG 3.FIVE
2023-03-31	4	$148.8M	0	1LGIH 2FIVE 3TDG Top holdings2023-03-31 1.LGIH 2.FIVE 3.TDG 4.SPY
2022-12-31	3	$97.6M	0	1LGIH 2FIVE 3TDG Top holdings2022-12-31 1.LGIH 2.FIVE 3.TDG
2022-09-30	4	$68.8M	0	1LGIH 2FIVE 3TDG Top holdings2022-09-30 1.LGIH 2.FIVE 3.TDG 4.CVNA
2022-06-30	4	$64.4M	0	1LGIH 2FIVE 3TDG Top holdings2022-06-30 1.LGIH 2.FIVE 3.TDG 4.CVNA
2022-03-31	7	$86.8M	0	1FIVE 2LGIH 3TDG Top holdings2022-03-31 1.FIVE 2.LGIH 3.TDG 4.CVNA 5.MSFT 6.GOOG 7.META
2021-12-31	6	$102.6M	0	1LGIH 2TDG 3FIVE Top holdings2021-12-31 1.LGIH 2.TDG 3.FIVE 4.MSFT 5.GOOG 6.META
2021-09-30	13	$114.6M	0	1TDG 2LGIH 3FIVE Top holdings2021-09-30 1.TDG 2.LGIH 3.FIVE 4.ROST 5.MSFT 6.36118N 7.GOOG 8.G49775 9.META 10.05601A
2021-06-30	16	$122.4M	98	1TDG 2LGIH 3FIVE Top holdings2021-06-30 1.TDG 2.LGIH 3.FIVE 4.ROST 5.MSFT 6.36118N 7.936273 8.55282T 9.G49775 10.GOOG
2021-03-31	21	$118.1M	0	1LGIH 2TDG 3ROST Top holdings2021-03-31 1.LGIH 2.TDG 3.ROST 4.FIVE 5.G49775 6.74767A 7.36118N 8.39986V 9.936273 10.G0112R

Holding changes this quarter

Ampfield Management, L.P.'s most significant position changes for 2026-03-31: New buy: Northeast Bank (NBN); New buy: Sabre CORP (SABR); Sold out: Synchronoss Technologies INC (SNCR); Trim: Transdigm Group INC (TDG) — shares -25.85%; Add: Esquire Financial Holdings I (ESQ) — shares +23.02%.

Position changes disclosed by Ampfield Management, 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	ESQ	Esquire Financial Holdings I	+2%	+23.02%	Add
2	ROST	Ross Stores INC	—	—	Unchanged
3	TDG	Transdigm Group INC	-30.7%	-25.85%	Trim
4	NBN	Northeast Bank	—	NEW	New buy
5	SABR	Sabre CORP	—	NEW	New buy
6	SNCR	Synchronoss Technologies INC	—	EXIT	Sold out

Filing History

Period	Filed	Type	EDGAR
2026-03-31	2026-04-22	13F-HR	View on EDGAR
2025-12-31	2026-02-13	13F-HR	View on EDGAR
2025-09-30	2025-10-28	13F-HR	View on EDGAR
2025-06-30	2025-07-22	13F-HR	View on EDGAR
2025-03-31	2025-05-02	13F-HR	View on EDGAR
2024-12-31	2025-02-03	13F-HR	View on EDGAR
2024-09-30	2024-10-30	13F-HR	View on EDGAR
2024-06-30	2024-07-22	13F-HR	View on EDGAR
2024-03-31	2024-04-16	13F-HR	View on EDGAR
2023-12-31	2024-01-30	13F-HR	View on EDGAR
2023-09-30	2023-10-18	13F-HR	View on EDGAR
2023-06-30	2023-07-18	13F-HR	View on EDGAR
2023-03-31	2023-05-04	13F-HR	View on EDGAR
2022-12-31	2023-02-10	13F-HR	View on EDGAR
2022-09-30	2022-10-21	13F-HR	View on EDGAR
2022-06-30	2022-08-11	13F-HR	View on EDGAR
2022-03-31	2022-05-02	13F-HR	View on EDGAR
2021-12-31	2022-01-26	13F-HR	View on EDGAR
2021-09-30	2021-10-13	13F-HR	View on EDGAR
2021-06-30	2021-07-27	13F-HR	View on EDGAR
2021-03-31	2021-04-28	13F-HR	View on EDGAR

FAQ

What is Ampfield Management, L.P. and what type of investor is it?

Ampfield Management, 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 $80.8M, spread across 5 disclosed positions.

What are Ampfield Management, L.P.'s largest equity positions?

Based on the latest 13F filing, Ampfield Management, L.P.'s top holdings by market value are: 1. Transdigm Group INC (TDG) — $28.4M (35.1%) 2. Esquire Financial Holdings I (ESQ) — $25.1M (31.0%) 3. Northeast Bank (NBN) — $19.5M (24.1%) 4. Sabre CORP (SABR) — $7.5M (9.3%) 5. Ross Stores INC (ROST) — $362.0K (0.5%)

What changes did Ampfield Management, L.P. make in its most recent portfolio filing?

In the latest reported quarter, Ampfield Management, L.P. made 5 notable position adjustments: 2 new positions were initiated, 1 existing holdings were added to, 1 positions were partially reduced, and 1 were completely exited. The largest of these moves: New buy: Northeast Bank (NBN); New buy: Sabre CORP (SABR); Sold out: Synchronoss Technologies INC (SNCR); Trim: Transdigm Group INC (TDG) — shares -25.85%; Add: Esquire Financial Holdings I (ESQ) — shares +23.02%

What sectors does Ampfield Management, L.P. focus on?

Ampfield Management, L.P. is concentrated in the following sectors based on its current disclosed equity portfolio: • Industrials: 78.3% • Information Technology: 20.7% • Consumer Discretionary: 1.0%

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Portfolio Stability49.0

Sector conviction100.0

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Wellment Financial

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Fenimore Asset Management INC

CIK 0000884566

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Marshfield Associates

CIK 0000914976

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View detail

Ampfield Management, L.P. 13F Holdings Overview (5 Positions)

CIK: 0001853635

Concentrated strategyMomentum followerQuality / disciplined sizing

Total reported value

$80.8M

Reporting period: 2026-03-31 · Number of holdings: 5

Ampfield Management, L.P. disclosed 5 holdings in its latest 13F filing for the period ending 2026-03-31, with total reported value of $80.8M and a quarterly turnover rate of 69.8%.

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

Personality snowflake

Concentration: 100
Portfolio Stability: 69.79
Momentum/Contrarian: 100
Sector conviction: 0
Diversification: 10
Sizing Uniformity: 92.65

Recent moves

Trim TDG
-25.8%　-$15.5M
Add ESQ
+23.0%　$5.7M
New buy NBN
New buy SABR
Sold out SNCR
Unchanged ROST
0.0%　$61.0K

Holdings Map

New buyAddUnchangedTrim

Top 10 holdings by weight

Full holdings list this quarter

#	Ticker	Issuer	Asset Subclass	Weight	Weight Change	Shares Change
1	TDG	Transdigm Group INC	Stock-Industrials	35.09%	-30.71%	-25.85%
2	ESQ	Esquire Financial Holdings I	Stock-Other	31.03%	+2.01%	+23.02%
3	NBN	Northeast Bank	Stock-Other	24.14%	+24.14%	NEW
4	SABR	Sabre CORP	Stock-Tech	9.29%	+9.29%	NEW
5	ROST	Ross Stores INC	Stock-Consumer Disc	0.45%	—	—

Portfolio Performance

Performance for Q3 2026

+11%

Performance Last 4 Quarters

-1.4%

Stdev: +26.3%
Beta: +1.11
Alpha: -9%
Max Drawdown: -18.1%
Annualized Perf: +8.5%
Batting Avg vs S&P: +41.7%
Sortino: +0.73
Stutzer: +0.13
Treynor: +0.1
Sterling: +0.37
Calmar: +0.47
Information Ratio: -0.32
Tracking Error: +21.9%
Stdev Down: +15.8%
Winning Months %: +55.6%
Losing Months %: +44.4%
Best 12 Months: +39.1%
Worst 12 Months: -1.4%
Efficiency Ratio: +0.13
Sharpe: +0.44
Stdev Sectors: +32.8%
Skewness: +0.4
Kurtosis: +0.81
Upside Potential: +2.61

Reported value over time

Sector allocation

Sector allocation over time

Quarterly history

Period	Holdings	Total value	Stability	Top holdings
2026-03-31	5	$80.8M	70	1TDG 2ESQ 3NBN Top holdings2026-03-31 1.TDG 2.ESQ 3.NBN 4.SABR 5.ROST
2025-12-31	4	$66.7M	39	1TDG 2ESQ 3SNCR Top holdings2025-12-31 1.TDG 2.ESQ 3.SNCR 4.ROST
2025-09-30	4	$89.7M	11	1TDG 2ESQ 3FIVE Top holdings2025-09-30 1.TDG 2.ESQ 3.FIVE 4.ROST
2025-06-30	5	$133.8M	0	1TDG 2BOOT 3ESQ Top holdings2025-06-30 1.TDG 2.BOOT 3.ESQ 4.FIVE 5.ROST
2025-03-31	4	$85.0M	100	1TDG 2ESQ 3FIVE Top holdings2025-03-31 1.TDG 2.ESQ 3.FIVE 4.ROST
2024-12-31	4	$96.1M	0	1TDG 2FIVE 3ESQ Top holdings2024-12-31 1.TDG 2.FIVE 3.ESQ 4.ROST
2024-09-30	4	$95.9M	0	1TDG 2FIVE 3ESQ Top holdings2024-09-30 1.TDG 2.FIVE 3.ESQ 4.ROST
2024-06-30	5	$108.5M	0	1TDG 2LGIH 3FIVE Top holdings2024-06-30 1.TDG 2.LGIH 3.FIVE 4.17144M 5.ROST
2024-03-31	5	$144.5M	0	1LGIH 2TDG 3FIVE Top holdings2024-03-31 1.LGIH 2.TDG 3.FIVE 4.17144M 5.ROST
2023-12-31	5	$153.2M	0	1LGIH 2TDG 3FIVE Top holdings2023-12-31 1.LGIH 2.TDG 3.FIVE 4.ROST 5.17144M
2023-09-30	3	$111.8M	0	1LGIH 2TDG 3FIVE Top holdings2023-09-30 1.LGIH 2.TDG 3.FIVE
2023-06-30	3	$139.9M	0	1LGIH 2TDG 3FIVE Top holdings2023-06-30 1.LGIH 2.TDG 3.FIVE
2023-03-31	4	$148.8M	0	1LGIH 2FIVE 3TDG Top holdings2023-03-31 1.LGIH 2.FIVE 3.TDG 4.SPY
2022-12-31	3	$97.6M	0	1LGIH 2FIVE 3TDG Top holdings2022-12-31 1.LGIH 2.FIVE 3.TDG
2022-09-30	4	$68.8M	0	1LGIH 2FIVE 3TDG Top holdings2022-09-30 1.LGIH 2.FIVE 3.TDG 4.CVNA
2022-06-30	4	$64.4M	0	1LGIH 2FIVE 3TDG Top holdings2022-06-30 1.LGIH 2.FIVE 3.TDG 4.CVNA
2022-03-31	7	$86.8M	0	1FIVE 2LGIH 3TDG Top holdings2022-03-31 1.FIVE 2.LGIH 3.TDG 4.CVNA 5.MSFT 6.GOOG 7.META
2021-12-31	6	$102.6M	0	1LGIH 2TDG 3FIVE Top holdings2021-12-31 1.LGIH 2.TDG 3.FIVE 4.MSFT 5.GOOG 6.META
2021-09-30	13	$114.6M	0	1TDG 2LGIH 3FIVE Top holdings2021-09-30 1.TDG 2.LGIH 3.FIVE 4.ROST 5.MSFT 6.36118N 7.GOOG 8.G49775 9.META 10.05601A
2021-06-30	16	$122.4M	98	1TDG 2LGIH 3FIVE Top holdings2021-06-30 1.TDG 2.LGIH 3.FIVE 4.ROST 5.MSFT 6.36118N 7.936273 8.55282T 9.G49775 10.GOOG
2021-03-31	21	$118.1M	0	1LGIH 2TDG 3ROST Top holdings2021-03-31 1.LGIH 2.TDG 3.ROST 4.FIVE 5.G49775 6.74767A 7.36118N 8.39986V 9.936273 10.G0112R

Holding changes this quarter

Position changes disclosed by Ampfield Management, 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	ESQ	Esquire Financial Holdings I	+2%	+23.02%	Add
2	ROST	Ross Stores INC	—	—	Unchanged
3	TDG	Transdigm Group INC	-30.7%	-25.85%	Trim
4	NBN	Northeast Bank	—	NEW	New buy
5	SABR	Sabre CORP	—	NEW	New buy
6	SNCR	Synchronoss Technologies INC	—	EXIT	Sold out

Filing History

Period	Filed	Type	EDGAR
2026-03-31	2026-04-22	13F-HR	View on EDGAR
2025-12-31	2026-02-13	13F-HR	View on EDGAR
2025-09-30	2025-10-28	13F-HR	View on EDGAR
2025-06-30	2025-07-22	13F-HR	View on EDGAR
2025-03-31	2025-05-02	13F-HR	View on EDGAR
2024-12-31	2025-02-03	13F-HR	View on EDGAR
2024-09-30	2024-10-30	13F-HR	View on EDGAR
2024-06-30	2024-07-22	13F-HR	View on EDGAR
2024-03-31	2024-04-16	13F-HR	View on EDGAR
2023-12-31	2024-01-30	13F-HR	View on EDGAR
2023-09-30	2023-10-18	13F-HR	View on EDGAR
2023-06-30	2023-07-18	13F-HR	View on EDGAR
2023-03-31	2023-05-04	13F-HR	View on EDGAR
2022-12-31	2023-02-10	13F-HR	View on EDGAR
2022-09-30	2022-10-21	13F-HR	View on EDGAR
2022-06-30	2022-08-11	13F-HR	View on EDGAR
2022-03-31	2022-05-02	13F-HR	View on EDGAR
2021-12-31	2022-01-26	13F-HR	View on EDGAR
2021-09-30	2021-10-13	13F-HR	View on EDGAR
2021-06-30	2021-07-27	13F-HR	View on EDGAR
2021-03-31	2021-04-28	13F-HR	View on EDGAR