CIK: 0001124841
Total reported value
$534.3M
Reporting period: 2026-03-31 · Number of holdings: 83
LATHROP INVESTMENT MANAGEMENT CO disclosed 83 holdings in its latest 13F filing for the period ending 2026-03-31, with total reported value of $534.3M and a quarterly turnover rate of 14.2%.
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Lathrop Investment Management Co's disclosed holdings carry a Herfindahl concentration index of 0.027 — mathematically equivalent to about 37 equally-sized positions, well below its 83 actual disclosed holdings. That gap points to a strategy built around a small core of high-conviction bets rather than broad diversification.
Position sizes are fairly uniform across the portfolio (a coefficient of variation of 1.12), suggesting a disciplined, rules-based approach to how much capital goes into each idea.
No strong tilt toward either adding to existing winners or initiating outsized new positions was observed in the latest reported quarter.
Add XOM
+4.1% $6.2M
Trim MSFT
-3.7% -$6.5M
Add SLB
+21.8% $4.5M
Trim AYI
-2.3% -$4.3M
Add KEX
+1.2% $3.1M
Add KMI
-4.1% $3.0M
| # | Ticker | Issuer | Asset Subclass | Weight | Weight Change | Shares Change | 4Q Trend |
|---|---|---|---|---|---|---|---|
| 1 | WMT | Walmart INC | Stock-Consumer Staples | 5.20% | — | -10.38% | |
| 2 | ADI | Analog Devices INC | Stock-Tech | 3.90% | +0.56% | -3.40% | |
| 3 | KMI | Kinder Morgan INC | Stock-Energy | 3.81% | +0.65% | -4.10% | |
| 4 | RTX | Rtx CORP | Stock-Industrials | 3.77% | -0.02% | -8.35% | |
| 5 | XOM | Exxon Mobil CORP | Stock-Energy | 3.64% | +1.24% | +4.12% | |
| 6 | LH | Labcorp Holdings INC | Stock-Healthcare | 3.46% | +0.30% | -0.11% | |
| 7 | MSFT | Microsoft CORP | Stock-Tech | 3.43% | -1.08% | -3.71% | |
| 8 | AAPL | Apple INC | Stock-Tech | 3.33% | -0.14% | -0.45% | |
| 9 | MLM | Martin Marietta Materials | Stock-Materials | 3.28% | -0.21% | -3.49% | |
| 10 | KEX | Kirby CORP | Stock-Industrials | 3.24% | +0.67% | +1.25% | |
| 11 | JNJ | Johnson & Johnson | Stock-Healthcare | 3.22% | +0.31% | -1.85% | |
| 12 | SCHW | Schwab (charles) CORP | Stock-Financials | 3.21% | -0.09% | +0.11% | |
| 13 | CSCO | Cisco Systems INC | Stock-Tech | 3.21% | +0.08% | -1.52% | |
| 14 | J | Jacobs Solutions INC | Stock-Industrials | 2.98% | -0.04% | -0.45% | |
| 15 | TMO | Thermo Fisher Scientific INC | Stock-Healthcare | 2.83% | -0.36% | +1.29% | |
| 16 | SYK | Stryker CORP | Stock-Healthcare | 2.67% | -0.16% | -2.25% | |
| 17 | AYI | Acuity INC | Stock-Industrials | 2.55% | -0.70% | -2.30% | |
| 18 | MKL | Markel Group INC | Stock-Financials | 2.52% | -0.29% | -2.03% | |
| 19 | ALC | Alcon Inc. | Stock-Healthcare | 2.49% | +0.14% | +7.80% | |
| 20 | TER | Teradyne INC | Stock-Tech | 2.38% | +0.55% | -17.53% | |
| 21 | ITW | Illinois Tool Works | Stock-Industrials | 2.35% | +0.17% | -0.97% | |
| 22 | SONY | Sony Group CORP - Sp Adr | Stock-Tech | 2.29% | -0.52% | -2.42% | |
| 23 | JPM | Jpmorgan Chase & Co | Stock-Financials | 2.27% | -0.08% | +2.79% | |
| 24 | DIS | Walt Disney Co/the | Stock-Comm Services | 2.27% | -0.34% | -0.84% | |
| 25 | SLB | Slb LTD | Stock-Energy | 2.19% | +0.89% | +21.84% | |
| 26 | HD | Home Depot INC | Stock-Consumer Disc | 2.18% | -0.10% | -2.84% | |
| 27 | IBM | Intl Business Machines CORP | Stock-Tech | 1.70% | -0.39% | -3.36% | |
| 28 | SCHZ | Schwab US Aggregate Bond ETF | ETF-Other | 1.61% | +0.63% | +59.84% | |
| 29 | ORCL | Oracle CORP | Stock-Tech | 1.50% | -0.38% | +2.66% | |
| 30 | GE | General Electric | Stock-Industrials | 1.44% | — | +9.17% | |
| 31 | ADBE | Adobe INC | Stock-Tech | 1.29% | -0.45% | +3.24% | |
| 32 | NKE | Nike INC -cl B | Stock-Consumer Disc | 1.09% | -0.08% | +9.60% | |
| 33 | CVS | Cvs Health CORP | Stock-Healthcare | 1.09% | -0.54% | -28.57% | |
| 34 | MRSH | Marsh & Mclennan Cos | Stock-Financials | 1.05% | +0.01% | +3.95% | |
| 35 | DHR | Danaher CORP | Stock-Healthcare | 1.03% | -0.14% | +2.99% | |
| 36 | BRK-B | Berkshire Hathaway Inc-cl B | Stock-Other | 0.91% | -0.01% | +0.15% | |
| 37 | UPS | United Parcel Service-cl B | Stock-Industrials | 0.87% | +0.06% | +5.10% | |
| 38 | SCHM | Schwab US Mid Cap ETF | ETF-Other | 0.80% | -0.01% | -7.26% | |
| 39 | ACN | Accenture plc | Stock-Tech | 0.68% | -0.02% | +25.93% | |
| 40 | NVDA | Nvidia CORP | Stock-Tech | 0.67% | -0.04% | -1.64% | |
| 41 | CFR | Cullen/frost Bankers INC | Stock-Financials | 0.58% | -0.05% | -17.62% | |
| 42 | LRCX | Lam Research CORP | Stock-Tech | 0.41% | -0.11% | -38.24% | |
| 43 | PANW | Palo Alto Networks INC | Stock-Tech | 0.31% | -0.03% | — | |
| 44 | BRK-A | Berkshire Hathaway Inc-cl A | Stock-Other | 0.27% | — | — | |
| 45 | SCHX | Schwab US Large-cap ETF | ETF-Other | 0.23% | — | -1.22% | |
| 46 | RSP | Invesco S&p 500 Equal Weight | ETF-Large Cap & Growth | 0.22% | — | +4.55% | |
| 47 | AMZN | Amazon.com INC | Stock-Consumer Disc | 0.21% | -0.02% | -2.34% | |
| 48 | JNJ | Johnson & Johnson | Stock-Healthcare | 0.21% | +0.04% | +0.04% | |
| 49 | KO | Coca-cola Co/the | Stock-Consumer Staples | 0.18% | — | — | |
| 50 | LLY | Eli Lilly & Co | Stock-Healthcare | 0.18% | -0.06% | -13.24% |
Performance for Q3 2026
+2.2%
Performance Last 4 Quarters
+14.8%
Based on 79% of reported portfolio value with available pricing
| Period | Holdings | Total value | Stability | Top holdings |
|---|---|---|---|---|
| 2026-03-31 | 83 | $534.3M | 14 | |
| 2025-12-31 | 85 | $551.1M | 10 | |
| 2025-09-30 | 82 | $542.2M | 22 | |
| 2025-06-30 | 83 | $528.9M | 0 | |
| 2025-03-31 | 83 | $503.8M | 100 | |
| 2024-12-31 | 86 | $524.6M | 0 | |
| 2024-09-30 | 86 | $538.1M | 0 | |
| 2024-06-30 | 81 | $511.4M | 0 | |
| 2024-03-31 | 85 | $516.4M | 0 | |
| 2023-12-31 | 80 | $489.9M | 0 | |
| 2023-09-30 | 79 | $464.1M | 0 | |
| 2023-06-30 | 83 | $492.1M | 0 | |
| 2023-03-31 | 85 | $470.9M | 0 | |
| 2022-12-31 | 81 | $452.2M | 0 | |
| 2022-09-30 | 68 | $378.6M | 0 | |
| 2022-06-30 | 72 | $400.0M | 0 | |
| 2022-03-31 | 72 | $473.7M | 0 | |
| 2021-12-31 | 73 | $508.2M | 0 | |
| 2021-09-30 | 71 | $468.0M | 0 | |
| 2021-06-30 | 73 | $484.7M | 100 | |
| 2021-03-31 | 71 | $446.4M | 13 | |
| 2020-12-31 | 72 | $405.2M | 18 | |
| 2020-09-30 | 70 | $354.0M | 17 | |
| 2020-06-30 | 68 | $334.7M | 19 | |
| 2020-03-31 | 65 | $283.9M | 37 | |
| 2019-12-31 | 64 | $375.7M | 8 | |
| 2019-09-30 | 64 | $362.2M | 7 | |
| 2019-06-30 | 63 | $352.5M | 8 | |
| 2019-03-31 | 66 | $335.9M | 24 | |
| 2018-12-31 | 65 | $285.7M | 50 | |
| 2018-09-30 | 65 | $386.8M | 13 | |
| 2018-06-30 | 65 | $368.4M | 13 | |
| 2018-03-31 | 62 | $349.4M | 15 | |
| 2017-12-31 | 65 | $363.3M | 15 | |
| 2017-09-30 | 63 | $350.2M | 9 | |
| 2017-06-30 | 62 | $343.5M | 0 | |
| 2017-03-31 | 62 | $343.5M | 14 | |
| 2016-12-31 | 62 | $331.9M | 10 | |
| 2016-09-30 | 60 | $331.5M | 23 | |
| 2016-06-30 | 61 | $321.9M | 16 | |
| 2016-03-31 | 60 | $315.8M | 7 | |
| 2015-12-31 | 58 | $305.9M | 9 | |
| 2015-09-30 | 59 | $292.1M | 8 | |
| 2015-06-30 | 61 | $304.6M | 8 | |
| 2015-03-31 | 61 | $290.0M | 8 | |
| 2014-12-31 | 57 | $276.7M | 17 | |
| 2014-09-30 | 54 | $263.2M | 11 | |
| 2014-06-30 | 59 | $263.3M | 9 | |
| 2014-03-31 | 57 | $250.3M | 12 | |
| 2013-12-31 | 56 | $235.7M | 17 | |
| 2013-09-30 | 54 | $213.3M | 13 | |
| 2013-06-30 | 53 | $197.5M | — |
Lathrop Investment Management Co's most significant position changes for 2026-03-31: Sold out: Cadence Bank (CADE); New buy: Huntington Bancshares INC (HBAN); Sold out: Vanguard Mid-cap ETF (VO); Sold out: Sony Financial Group Inc-adr (SFGYY); Add: Exxon Mobil CORP (XOM) — shares +4.12%.
| # | Ticker | Issuer | Weight Change | Shares Change | Action |
|---|---|---|---|---|---|
| 1 | XOM | Exxon Mobil CORP | +1.2% | +4.12% | Add |
| 2 | SLB | Slb LTD | +0.9% | +21.84% | Add |
| 3 | KEX | Kirby CORP | +0.7% | +1.25% | Add |
| 4 | KMI | Kinder Morgan INC | +0.7% | -4.10% | Trim |
| 5 | SCHZ | Schwab US Aggregate Bond ETF | +0.6% | +59.84% | Add |
| 6 | ADI | Analog Devices INC | +0.6% | -3.40% | Trim |
| 7 | TER | Teradyne INC | +0.6% | -17.53% | Trim |
| 8 | JNJ | Johnson & Johnson | +0.3% | -1.85% | Trim |
| 9 | LH | Labcorp Holdings INC | +0.3% | -0.11% | Trim |
| 10 | ITW | Illinois Tool Works | +0.2% | -0.97% | Trim |
| 11 | ALC | Alcon Inc. | +0.1% | +7.80% | Add |
| 12 | CSCO | Cisco Systems INC | +0.1% | -1.52% | Trim |
| 13 | UPS | United Parcel Service-cl B | +0.1% | +5.10% | Add |
| 14 | JNJ | Johnson & Johnson | 0% | +0.04% | Add |
| 15 | ETR | Entergy CORP | 0% | — | Unchanged |
| 16 | MRSH | Marsh & Mclennan Cos | 0% | +3.95% | Add |
| 17 | BRK-B | Berkshire Hathaway Inc-cl B | 0% | +0.15% | Add |
| 18 | SCHM | Schwab US Mid Cap ETF | 0% | -7.26% | Trim |
| 19 | RTX | Rtx CORP | 0% | -8.35% | Trim |
| 20 | ACN | Accenture plc | 0% | +25.93% | Add |
| 21 | AMZN | Amazon.com INC | 0% | -2.34% | Trim |
| 22 | PANW | Palo Alto Networks INC | 0% | — | Unchanged |
| 23 | BAC | Bank Of America CORP | 0% | -8.26% | Trim |
| 24 | J | Jacobs Solutions INC | 0% | -0.45% | Trim |
| 25 | NVDA | Nvidia CORP | 0% | -1.64% | Trim |
| 26 | CFR | Cullen/frost Bankers INC | -0.1% | -17.62% | Trim |
| 27 | LLY | Eli Lilly & Co | -0.1% | -13.24% | Trim |
| 28 | JPM | Jpmorgan Chase & Co | -0.1% | +2.79% | Add |
| 29 | NKE | Nike INC -cl B | -0.1% | +9.60% | Add |
| 30 | SCHW | Schwab (charles) CORP | -0.1% | +0.11% | Add |
| 31 | HD | Home Depot INC | -0.1% | -2.84% | Trim |
| 32 | LRCX | Lam Research CORP | -0.1% | -38.24% | Trim |
| 33 | AAPL | Apple INC | -0.1% | -0.45% | Trim |
| 34 | DHR | Danaher CORP | -0.1% | +2.99% | Add |
| 35 | SYK | Stryker CORP | -0.2% | -2.25% | Trim |
| 36 | MLM | Martin Marietta Materials | -0.2% | -3.49% | Trim |
| 37 | MKL | Markel Group INC | -0.3% | -2.03% | Trim |
| 38 | DIS | Walt Disney Co/the | -0.3% | -0.84% | Trim |
| 39 | TMO | Thermo Fisher Scientific INC | -0.4% | +1.29% | Add |
| 40 | ORCL | Oracle CORP | -0.4% | +2.66% | Add |
| 41 | IBM | Intl Business Machines CORP | -0.4% | -3.36% | Trim |
| 42 | ADBE | Adobe INC | -0.5% | +3.24% | Add |
| 43 | SONY | Sony Group CORP - Sp Adr | -0.5% | -2.42% | Trim |
| 44 | CVS | Cvs Health CORP | -0.5% | -28.57% | Trim |
| 45 | AYI | Acuity INC | -0.7% | -2.30% | Trim |
| 46 | MSFT | Microsoft CORP | -1.1% | -3.71% | Trim |
| 47 | CADE | Cadence Bank | — | EXIT | Sold out |
| 48 | HBAN | Huntington Bancshares INC | — | NEW | New buy |
| 49 | VO | Vanguard Mid-cap ETF | — | EXIT | Sold out |
| 50 | SFGYY | Sony Financial Group Inc-adr | — | EXIT | Sold out |
| Period | Filed | Type | EDGAR |
|---|---|---|---|
| 2026-03-31 | 2026-05-12 | 13F-HR | View on EDGAR |
| 2025-12-31 | 2026-02-09 | 13F-HR | View on EDGAR |
| 2025-09-30 | 2025-11-12 | 13F-HR | View on EDGAR |
| 2025-06-30 | 2025-08-04 | 13F-HR | View on EDGAR |
| 2025-03-31 | 2025-05-12 | 13F-HR | View on EDGAR |
| 2024-12-31 | 2025-02-14 | 13F-HR | View on EDGAR |
| 2024-09-30 | 2024-11-12 | 13F-HR | View on EDGAR |
| 2024-06-30 | 2024-07-18 | 13F-HR | View on EDGAR |
| 2024-03-31 | 2024-05-01 | 13F-HR | View on EDGAR |
| 2023-12-31 | 2024-02-05 | 13F-HR | View on EDGAR |
| 2023-09-30 | 2023-10-25 | 13F-HR | View on EDGAR |
| 2023-06-30 | 2023-08-02 | 13F-HR | View on EDGAR |
| 2023-03-31 | 2023-04-20 | 13F-HR | View on EDGAR |
| 2022-12-31 | 2023-01-17 | 13F-HR | View on EDGAR |
| 2022-09-30 | 2022-10-27 | 13F-HR | View on EDGAR |
| 2022-06-30 | 2022-07-21 | 13F-HR | View on EDGAR |
| 2022-03-31 | 2022-04-19 | 13F-HR | View on EDGAR |
| 2021-12-31 | 2022-01-31 | 13F-HR | View on EDGAR |
| 2021-09-30 | 2021-10-15 | 13F-HR | View on EDGAR |
| 2021-06-30 | 2021-07-21 | 13F-HR | View on EDGAR |
| 2021-03-31 | 2021-04-19 | 13F-HR | View on EDGAR |
| 2020-12-31 | 2021-01-26 | 13F-HR | View on EDGAR |
| 2020-09-30 | 2020-10-19 | 13F-HR | View on EDGAR |
| 2020-06-30 | 2020-07-30 | 13F-HR | View on EDGAR |
| 2020-03-31 | 2020-04-15 | 13F-HR | View on EDGAR |
| 2019-12-31 | 2020-01-24 | 13F-HR | View on EDGAR |
| 2019-09-30 | 2019-10-22 | 13F-HR | View on EDGAR |
| 2019-06-30 | 2019-07-26 | 13F-HR | View on EDGAR |
| 2019-03-31 | 2019-04-19 | 13F-HR | View on EDGAR |
| 2018-12-31 | 2019-02-08 | 13F-HR | View on EDGAR |
| 2018-09-30 | 2018-10-29 | 13F-HR | View on EDGAR |
| 2018-06-30 | 2018-07-30 | Amendment | View on EDGAR |
| 2018-06-30 | 2018-07-30 | 13F-HR | View on EDGAR |
| 2018-03-31 | 2018-04-16 | 13F-HR | View on EDGAR |
| 2017-12-31 | 2018-01-12 | 13F-HR | View on EDGAR |
| 2017-09-30 | 2017-10-11 | 13F-HR | View on EDGAR |
| 2017-09-30 | 2017-10-11 | Amendment | View on EDGAR |
| 2017-06-30 | 2017-07-11 | Amendment | View on EDGAR |
| 2017-06-30 | 2017-07-11 | 13F-HR | View on EDGAR |
| 2017-03-31 | 2017-04-13 | 13F-HR | View on EDGAR |
| 2016-12-31 | 2017-01-12 | 13F-HR | View on EDGAR |
| 2016-09-30 | 2016-11-21 | Amendment | View on EDGAR |
| 2016-09-30 | 2016-10-14 | 13F-HR | View on EDGAR |
| 2016-06-30 | 2016-07-14 | 13F-HR | View on EDGAR |
| 2016-03-31 | 2016-04-21 | 13F-HR | View on EDGAR |
| 2015-12-31 | 2016-01-22 | 13F-HR | View on EDGAR |
| 2015-09-30 | 2015-10-19 | 13F-HR | View on EDGAR |
| 2015-06-30 | 2015-07-14 | 13F-HR | View on EDGAR |
| 2015-03-31 | 2015-04-27 | 13F-HR | View on EDGAR |
| 2014-12-31 | 2015-01-15 | 13F-HR | View on EDGAR |
| 2014-09-30 | 2014-10-16 | 13F-HR | View on EDGAR |
| 2014-06-30 | 2014-07-10 | 13F-HR | View on EDGAR |
| 2014-03-31 | 2014-04-11 | 13F-HR | View on EDGAR |
| 2013-12-31 | 2014-01-16 | 13F-HR | View on EDGAR |
| 2013-09-30 | 2013-10-16 | 13F-HR | View on EDGAR |
| 2013-06-30 | 2013-07-29 | 13F-HR | View on EDGAR |
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