Institutional Manager · CIK 0000936944
MARTINGALE ASSET MANAGEMENT L P
BOSTON, MA · File #028-04632
Latest AUM
$3.93B
Positions
1,051
Top-10 Concentration
28.6%
Filings
9
Portfolio Value Over Time
2024-03
2024-06
2024-09
2024-12
2025-03
2025-06
2025-09
2025-12
Biggest QoQ Changes
Ranked by conviction flow (share change × current price) so mark-to-market moves don't dominate. Price effect column shows how much of the $ change was just the stock moving.
| Action | Issuer | Ticker / CUSIP | Δ Shares | Flow ($) | Price Effect |
|---|---|---|---|---|---|
| EXITED | Electronic Arts Inc | 285512109 | -116,080 | -$23.4M | $0 |
| REDUCE | Alphabet Inc Class A | GOOG | -69,871 | -$21.9M | +$16.8M |
| ADD | TJX Companies Inc | 872540109 | +123,351 | +$18.9M | +$146,235 |
| ADD | Caseys General Stores Inc | 147528103 | +33,377 | +$18.4M | -$5,423 |
| ADD | ServiceNow Inc | NOW | +77,071 | +$11.8M | -$11.6M |
| ADD | Coca-Cola Consolidated Inc | COKE | +71,136 | +$10.9M | +$53,487 |
| REDUCE | SEI Investments Company | 784117103 | -131,137 | -$10.8M | -$613,837 |
| ADD | Netflix Inc | NFLX | +114,387 | +$10.7M | -$19.3M |
| ADD | Valero Energy Corp | VLO | +59,307 | +$9.7M | -$587,650 |
| ADD | Incyte Corp | INCY | +97,232 | +$9.6M | +$842,932 |
Sector Allocation
Filing History
- 13F HOLDINGS REPORTQ/E Dec 20251,051 pos · $3.93B
- 13F HOLDINGS REPORTQ/E Sep 20251,032 pos · $3.98B
- 13F HOLDINGS REPORTQ/E Jun 20251,127 pos · $4.08B
- 13F HOLDINGS REPORTQ/E Mar 20251,117 pos · $3.93B
- 13F HOLDINGS REPORTQ/E Dec 20241,248 pos · $4.11B
- 13F HOLDINGS REPORTQ/E Sep 20241,292 pos · $4.36B
- 13F HOLDINGS REPORTQ/E Jun 20241,272 pos · $4.63B
- 13F HOLDINGS REPORTQ/E Mar 20241,302 pos · $5.01B
- 13F HOLDINGS REPORTQ/E Dec 20231,298 pos · $4.75B
Top 20 Holdings — Dec 2025
| # | Issuer | Ticker | Shares | Value | % of Portfolio |
|---|---|---|---|---|---|
| 1 | Apple Inc | AAPL | 217,071 | $59.0M | 3.54% |
| 2 | Alphabet Inc Class A | GOOG | 170,185 | $53.3M | 3.19% |
| 3 | Microsoft Corp | MSFT | 108,149 | $52.3M | 3.14% |
| 4 | Amazon.Com Inc | AMZN | 225,902 | $52.1M | 3.13% |
| 5 | Johnson & Johnson | JNJ | 227,410 | $47.1M | 2.82% |
| 6 | JP Morgan Chase & Co | VYLD | 137,172 | $44.2M | 2.65% |
| 7 | Eli Lilly Co | LLY | 40,469 | $43.5M | 2.61% |
| 8 | Cisco Systems | CSCO | 548,459 | $42.2M | 2.53% |
| 9 | Meta Platforms Inc | META | 63,796 | $42.1M | 2.52% |
| 10 | Berkshire Hathaway Inc B | BRK-A | 82,605 | $41.5M | 2.49% |
| 11 | Visa Inc | V | 111,681 | $39.2M | 2.35% |
| 12 | Exxon Mobil Corp | XOM | 315,403 | $38.0M | 2.28% |
| 13 | Walmart Inc | WMT | 340,650 | $38.0M | 2.28% |
| 14 | Nvidia Corp | NVDA | 197,594 | $36.9M | 2.21% |
| 15 | Mastercard Inc Class A | MA | 63,808 | $36.4M | 2.18% |
| 16 | AT&T | T-PC | 1,463,717 | $36.4M | 2.18% |
| 17 | AbbVie Inc | ABBV | 158,554 | $36.2M | 2.17% |
| 18 | Salesforce Com Inc | CRM | 133,351 | $35.3M | 2.12% |
| 19 | American Express | AXP | 93,175 | $34.5M | 2.07% |
| 20 | Merck and Co Inc | MRK | 323,799 | $34.1M | 2.04% |