ATLANTIC INVESTMENT MANAGEMENT, INC. — 13F Holdings & Portfolio
CIK 1063296 · latest 13F-HR filed 2026-08-14
ATLANTIC INVESTMENT MANAGEMENT, INC. manages $192.0M in 13F-reported U.S. long-equity assets across 12 reported positions as of its 2026-06-30 13F-HR filing. Its largest disclosed positions are ASH (17.47%), APTV (14.51%), KEX (13.22%). Quarter over quarter (versus its 2026-03-31 filing) the fund opened 2 new positions and exited 2; 6 existing positions rose in reported value and 4 fell.
AUM is the long-equity portion reported on Form 13F-HR. Excludes short positions, cash, foreign holdings, and non-13F assets. For informational purposes only — not investment advice.
Long-equity book
Distinct positions
Filed 2026-08-14
vs 2026-03-31
Portfolio charts
Latest quarter's book, what changed, and how the portfolio has evolved across filings.
Portfolio map
Q2 26Box size = position value; colour = change in share count vs the prior quarter (green added, red trimmed, blue new). Rows split across managers or share classes are combined. Click a box for the stock.
Sector mix
% of 13F valueSectors from each company's SIC code; funds and ETFs grouped separately.
Biggest buys and sells
Q1 26 → Q2 26Estimated from the change in shares held × the quarter-end price, so price moves alone don't count as buying. New and exited positions are included.
13F assets and positions
4 quartersTotal reported 13F value (bars) and number of positions (line) each quarter. Value changes include market moves.
Top positions over time
reported valueThe eight largest current positions, valued at each quarter end.
Concentration
top 10 = 95.3%Cumulative share of the portfolio held in the largest N positions.
As of the firm’s regulatory filing dated Sep 24, 2015.
ALEXANDRIA, VA 22314
| Name | Title / Status | Ownership | Type |
|---|---|---|---|
| ATLANTIC CAPITAL HOLDINGS LLC Control | OWNER since Apr 2015 | 75% or more | Domestic Entity |
| LISA, CAROLYN, MARY Control | DIRECTOR CORPORATE COMPLIANCE / CCO / ELECTED MANAGER since Apr 2015 | Less than 5% | Individual |
| DEARY, RICHARD, THADDEUS Control Indirect owner via ATLANTIC CAPITAL HOLDINGS, LLC | PARTNER / MANAGING MEMBER since Aug 2014 | 25–50% | Individual |
| MORTON, MICHELLE, ANN Control Indirect owner via ATLANTIC CAPITAL HOLDINGS, LLC | PARTNER / MANAGING MEMBER since Aug 2014 | 50–75% | Individual |
Ownership & leadership changes · 6 filings with changes since Jan 23, 2012
From the firm’s regulatory filings, newest first. Dates are filing dates: a filing that no longer lists someone does not say when they left.
- ChangedDEARY, RICHARD, THADDEUS · indirect via ATLANTIC CAPITAL HOLDINGS, LLC: title PARTNER → PARTNER / MANAGING MEMBER
- ChangedLISA, CAROLYN, MARY · title DIRECTOR CORPORATE COMPLIANCE / CCO → DIRECTOR CORPORATE COMPLIANCE / CCO / ELECTED MANAGER; now a control person
- ChangedMORTON, MICHELLE, ANN · indirect via ATLANTIC CAPITAL HOLDINGS, LLC: title PARTNER → PARTNER / MANAGING MEMBER
- No longer listedCLEMENTS, DINA, VICTOROVNA · CHIEF COMPLIANCE OFFICER / GENERAL COUNSEL · Less than 5% · listed since Apr 2015
- ChangedLISA, CAROLYN, MARY · title DIRECTOR CORPORATE COMPLIANCE → DIRECTOR CORPORATE COMPLIANCE / CCO
- No longer listedDEARY, RICHARD, THADDEUS · PARTNER · 25–50% · indirect via GMT DUNCAN LLC · control person · listed since Aug 2014
- No longer listedGMT DUNCAN LLC · OWNER · 75% or more · control person · listed since Aug 2014
- No longer listedMORTON, MICHELLE, ANN · PARTNER · 50–75% · indirect via GMT DUNCAN LLC · control person · listed since Dec 2013
- AddedATLANTIC CAPITAL HOLDINGS LLC · OWNER · 75% or more · control person
- AddedCLEMENTS, DINA, VICTOROVNA · CHIEF COMPLIANCE OFFICER / GENERAL COUNSEL · Less than 5%
- AddedDEARY, RICHARD, THADDEUS · PARTNER · 25–50% · indirect via ATLANTIC CAPITAL HOLDINGS, LLC · control person
- AddedMORTON, MICHELLE, ANN · PARTNER · 50–75% · indirect via ATLANTIC CAPITAL HOLDINGS, LLC · control person
- ChangedLISA, CAROLYN, MARY · title CCO → DIRECTOR CORPORATE COMPLIANCE
- No longer listedHUGHES, FRANKIE, DIANNE · PRESIDENT/CIO · 75% or more · control person · listed since Aug 1993
- AddedDEARY, RICHARD, THADDEUS · PARTNER · 25–50% · indirect via GMT DUNCAN LLC · control person
- AddedGMT DUNCAN LLC · OWNER · 75% or more · control person
- AddedMORTON, MICHELLE, ANN · PARTNER · 50–75% · indirect via GMT DUNCAN LLC · control person
- ChangedLISA, CAROLYN, MARY · title INTERIM FIRM ADMINISTRATOR & CCO → CCO
- No longer listedHAYDEN, ROBERT, WAYNE · CHIEF COMPLIANCE OFFICER · Less than 5% · listed since Jun 2011
- AddedLISA, CAROLYN, MARY · INTERIM FIRM ADMINISTRATOR & CCO · Less than 5%
- ListedHAYDEN, ROBERT, WAYNE · CHIEF COMPLIANCE OFFICER · Less than 5%
- ListedHUGHES, FRANKIE, DIANNE · PRESIDENT/CIO · 75% or more · control person
Quarter-over-quarter changes
Changes in reported position value vs the prior 13F, so price moves count too, not just shares bought or sold.
Top Adds (vs prior quarter)
- DENTSPLY SIRONA INC$16.3M +230.3%
- PVH CORPORATION$10.1M +113.3%
- APTIV PLC$5.4M +24.2%
- ABM INDS INC$5.2M +60.9%
- NATIONAL ENERGY SERVICES REU$2.9M +225.3%
Top Trims
- WEATHERFORD INTL PLC-$15.3M -76.0%
- DAUCH CORP-$15.2M -66.6%
- KIRBY CORP-$8.8M -25.7%
- OSHKOSH CORP-$7.2M -36.0%
ATLANTIC INVESTMENT MANAGEMENT, INC. Holdings (2026-06-30)
Rows tagged Call or Put are options positions, not stock. Per SEC Form 13F-HR, Value shows the notional value of the underlying (shares covered × underlying price), not the option premium. Shares is the number of underlying shares covered (divide by 100 for contract count).
| # | Issuer | Symbol | CUSIP | Value | Weight | Shares | Type |
|---|---|---|---|---|---|---|---|
| 1 | ASHLAND INC | ASH | 044186104 | $33.5M | 17.47% | 509,000 | SH |
| 2 | APTIV PLC | APTV | G3265R107 | $27.9M | 14.51% | 453,842 | SH |
| 3 | KIRBY CORP | KEX | 497266106 | $25.4M | 13.22% | 186,700 | SH |
| 4 | DENTSPLY SIRONA INC | XRAY | 24906P109 | $23.4M | 12.18% | 2,203,000 | SH |
| 5 | PVH CORPORATION | PVH | 693656100 | $19.0M | 9.92% | 256,426 | SH |
| 6 | NOMAD FOODS LTD | NOMD | G6564A105 | $14.6M | 7.61% | 1,333,772 | SH |
| 7 | ABM INDS INC | ABM | 000957100 | $13.6M | 7.10% | 308,287 | SH |
| 8 | OSHKOSH CORP | OSK | 688239201 | $12.8M | 6.69% | 83,700 | SH |
| 9 | DAUCH CORP | DCH | 024061103 | $7.6M | 3.97% | 1,404,420 | SH |
| 10 | VERSIGENT PLC | VGNT | G9600F104 | $5.1M | 2.64% | 120,656 | SH |
| 11 | WEATHERFORD INTL PLC | WFRD | G48833118 | $4.8M | 2.51% | 59,023 | SH |
| 12 | NATIONAL ENERGY SERVICES REU | NESR | G6375R107 | $4.2M | 2.18% | 140,000 | SH |
| Period | Filed | AUM | Holdings | Accession |
|---|---|---|---|---|
| 2026-06-30 | 2026-08-14 | $192.0M | 12 | 0001493152-26-038311 |
| 2026-03-31 | 2026-05-15 | $171.7M | 12 | 0001493152-26-023724 |
| 2025-12-31 | 2026-02-17 | $177.6M | 10 | 0001493152-26-007089 |
| 2025-09-30 | 2025-11-14 | $174.1M | 11 | 0001493152-25-023434 |
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