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FULLER & THALER ASSET MANAGEMENT, INC.
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SAN MATEO CA
Investment Advisor
Hedge Fund
Fuller & Thaler Asset Management is based out of San Mateo. Fuller & Thaler Asset Management is a hedge fund with 2782 clients and discretionary assets under management (AUM) of $20,397,025,075 (Form ADV from 2024-03-27). Their last reported 13F filing for Q1 2025 included $25,744,758,855 in managed 13F securities
and a top 10 holdings concentration of 13.91%. Fuller & Thaler Asset Management's largest holding is Keycorp with shares held of 30,511,720. Whalewisdom has at least 106 13F filings, 5 13D filings, and 359 13G filings
Business Description
Fuller & Thaler Asset Management, Inc. ("FullerThaler") was organized as a California corporation in April 1993. It has been registered with the United States Securities and Exchange Commission as an investment adviser since May 1993. FullerThaler is 100% owned by employees.
Actual control and management of FullerThaler is effected solely through a management group comprised of the senior partners of FullerThaler (the “Management Group”). The Management Group’s primary function is to oversee the business affairs and day-to-day operations of FullerThaler.
Investment Strategy
FullerThaler's investment strategies primarily focus on exploiting market inefficiencies using insights from behavioral finance. They primarily invest in US-listed companies, taking long-only positions in stocks they believe are undervalued based on their analysis. FullerThaler applies principles of behavioral finance, focusing on markers of under- and over-reaction, combined with measures of expectations and valuation to select long positions. Their strategies may employ futures, ETFs, and leverage.
FullerThaler offers a variety of U.S. equity strategies, primarily behavioral-based, as opposed to quantitative or traditional fundamental strategies. They work with clients to tailor investment strategies to meet individual needs, such as imposing restrictions on investments or expanding the universe of securities. One example of their strategies is the Behavioral Small-Cap Growth, which invests in equities of growth-oriented U.S. companies with market capitalizations generally in the lowest 10% of the US.
Owners
- STANSKE, FREDERICK, WILLIAM - BOARD MEMBER/PARTNER/PORTFOLIO MANAGER
- FULLER, THOMAS, GORDON - BOARD MEMBER/PARTNER/DIRECTOR OF SALES, MARKETING & CLIENT SERVICE
- VILLEGAS, FERNANDO - BOARD MEMBER/PARTNER/HEAD OF TRADING OPERATIONS
- THALER, RICHARD, H. - BOARD MEMBER/PRINCIPAL
- POTTER, DAVID, MICHAEL - BOARD MEMBER/PARTNER/PORTFOLIO MANAGER
- LIN, RAYMOND, DEH - BOARD MEMBER/PARTNER/PORTFOLIO MANAGER
- ZANONI, HANNA, WOO - BOARD MEMBER/PARTNER/CHIEF FINANCIAL, CHIEF LEGAL, AND CHIEF COMPLIANCE OFFICER
- STUBBINS, GEORGE, EDWARD - BOARD MEMBER/PARTNER/HEAD OF SALES, MARKETING & CLIENT SERVICE
- GIOVINAZZO, RAIFE, BRANDON - BOARD MEMBER/MANAGING PARTNER/PORTFOLIO MANAGER
- Tung, Yining - BOARD MEMBER/PARTNER/HEAD OF RISK MANAGEMENT & INVESTMENT PROCESS ANALYST Click on the Ownership/Private Fund Data tab for more details.
Known Email Addresses
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Other Contact Information
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2025-03-31
Top Buys (13F)
Name | % Change |
---|---|
MAT Mattel Inc | 0.37% |
OPCH Option Care Health I | 0.29% |
FLO Flowers Foods, Inc. | 0.28% |
SIRI Sirius XM Holdings I | 0.27% |
MWA Mueller Water Produc | 0.26% |

2025-03-31
Top Sells (13F)
Name | % Change |
---|---|
PRMB Primo Brands Corp. | 0.49% |
VSCO Victoria`s Secret & | 0.32% |
MLI Mueller Industries I | 0.31% |
PEGA Pegasystems Inc | 0.29% |
EME EMCOR Group, Inc | 0.28% |

2025-03-31
13F Holdings Summary
Name | $ Change |
---|---|
KEY Keycorp | 1.9% |
CFG Citizens Financial G | 1.65% |
ONB Old National Bancorp | 1.48% |
GPK Graphic Packaging Ho | 1.47% |
DOC Healthpeak Propertie | 1.45% |

2025-03-31
13F Activity
Market Value | $25.7b, Prior: $26.4b |
Inflows (Outflows) as % of Total MV | +4.0779% |
New Purchases | 49 stocks |
Added To | 265 stocks |
Sold out of | 62 stocks |
Reduced holdings in | 203 stocks |
Top 10 Holdings % | 13.91% |
Turnover %[1] | 17.1% |
Turnover Alt %[2] | 8.51% |
Time Held Top 20 | 7.25 quarters |
Time Held Top 10 | 8.6 quarters |
Time Held All | 15.45 quarters |
[1]: Turnover is calculated by taking the # of new holdings (initial purchases) + the # of positions sold out of (not just reduced) divided by the total # of holdings for the quarter.
[2]: Alt Turnover is calculated by taking either the total MV of new purchases or the MV of securities sold, whichever is less, divided by the total MV of the fund.

2025-03-31
13F Sector Allocation Over Time
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2025-03-31
Analysis

Top 20 equal-weighted holdings. Performance numbers calculated through 2025-03-31