MARTINGALE ASSET MANAGEMENT L P

CIK 0000936944 · BOSTON, MA · Quarter end: 2026-06-30 · Filed on: 2026-08-13 · Open the SEC source

MARTINGALE ASSET MANAGEMENT L P reported 828 positions worth $4.22B as of June 30, 2026 (13F filed August 13, 2026). Largest holding: AAPL (1.4%).

Portfolio Value (AUM)Total value of the fund's US stock portfolio reported to the SEC.
$4.22B
2026 Q2
Positions
828
Top-10 ConcentrationHow much of the portfolio sits in the 10 largest holdings. High = concentrated bets.
11.5%
Est. Net Flow (Q)
2026 Q2
10 / 828 positions shown
#SymbolCompanyTypeValue% Port.Shares1YYTD
1AAPLApple IncSH$60.7M1.44%209,754
2GOOGLAlphabet Inc Class ASH$55.9M1.32%156,332
3AMZNAmazon.Com IncSH$51.0M1.21%214,015
4LLYEli Lilly CoSH$48.9M1.16%40,766
5NVDANvidia CorpSH$48.3M1.14%241,143
6MSFTMicrosoft CorpSH$46.8M1.11%125,476
7JNJJohnson & JohnsonSH$46.8M1.11%184,122
8JPMJP Morgan Chase & CoSH$42.7M1.01%130,544
9BRK-BBerkshire Hathaway Inc BSH$42.7M1.01%85,344
10METAMeta Platforms IncSH$41.1M0.97%72,879

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Read the 2026-Q2 quarterly report · 13F Filing Calendar

Frequently Asked Questions

What stocks does MARTINGALE ASSET MANAGEMENT L P hold as of Q2 2026?

MARTINGALE ASSET MANAGEMENT L P reported 828 positions worth $4.22B in its Q2 2026 13F filing. Largest positions: AAPL (1.4%), GOOGL (1.3%), AMZN (1.2%), LLY (1.2%) and NVDA (1.1%).

What did MARTINGALE ASSET MANAGEMENT L P buy in Q2 2026?

No previous quarter is available yet; the comparison appears with the next filing.

What did MARTINGALE ASSET MANAGEMENT L P sell in Q2 2026?

No previous quarter is available yet.

13F data shows quarter-end positions, is delayed by up to 45 days and covers only long positions in US-listed securities; short positions, most derivatives and non-US assets are not reported.