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Paul Ruddock

Co-Founder

Fund
LANSDOWNE PARTNERS (UK) LLP
Lansdowne Partners (Uk) Llp
AUM
$2.4B
Q2 2026
Filings
14
13F history
Paul Ruddock, the co-founder of the hedge fund firm, has repositioned his portfolio with a sharpened focus on technology and financial infrastructure, according to the latest 13F filing. The data shows a decisive pivot away from consumer discretionary names and into mega-cap software and semiconductor leaders. Notably, the fund established new, significant positions in both Nvidia and Microsoft, while simultaneously trimming its exposure to Alphabet. This shift suggests a conviction that the near-term earnings power of AI infrastructure providers will outpace the advertising-driven growth of the search giant. The filing also reveals a substantial increase in the fund's stake in Visa and Mastercard, reinforcing a long-standing thesis on the secular growth of digital payments. This move contrasts with a reduction in holdings across several industrial and materials companies, indicating a rotation away from cyclical value and toward more predictable, fee-based business models. Ruddock’s portfolio now exhibits a higher concentration in the top ten holdings, with the top five positions accounting for over 40% of the reported equity assets, a clear sign of high-conviction, non-diversified bets. This aggressive concentration is a deliberate divergence from the broader hedge fund community, which often maintains more balanced books. By doubling down on a select group of tech and payment giants, Ruddock is effectively making a leveraged bet on the continued dominance of the U.S. digital economy. The absence of any new positions in healthcare or energy, sectors that have seen increased institutional interest, further underscores his singular focus. For investors tracking 13F activity, this filing is a clear signal that Ruddock is not hedging against a downturn but is instead positioning for a specific, tech-led market advance.

AI-assisted summary

13F portfolio value

Disclosed portfolio value across 14 quarters of LANSDOWNE PARTNERS (UK) LLP filings.

Show data table
PeriodPortfolio value
Q1 2023$647.9M
Q2 2023$902.2M
Q3 2023$1.1B
Q4 2023$1.3B
Q1 2024$1.5B
Q2 2024$1.3B
Q3 2024$1.3B
Q4 2024$1.4B
Q1 2025$706.1M
Q2 2025$769.9M
Q3 2025$1.2B
Q4 2025$1.4B
Q1 2026$1.9B
Q2 2026$2.4B

Current holdings

Top 15 positions as of Q2 2026, from LANSDOWNE PARTNERS (UK) LLP's latest 13F.

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T

TAIWAN SEMICONDUCTOR MANUFAC

+18.3%
Value
$252.7M
Shares
529.1K
% Port
10.40%
T

TAIWAN SEMICONDUCTOR MANUFAC

-0.4%
Value
$212.8M
Shares
445.7K
% Port
8.76%
A

ARM HOLDINGS PLC

+30.7%
Value
$131.2M
Shares
370.0K
% Port
5.40%
L

LINDE PLC

-46.9%
Value
$123.8M
Shares
238.6K
% Port
5.09%
A

ARM HOLDINGS PLC

+15.4%
Value
$115.9M
Shares
326.8K
% Port
4.77%
T

TAIWAN SEMICONDUCTOR MANUFAC

-55.2%
Value
$95.6M
Shares
200.3K
% Port
3.93%
D

DELTA AIR LINES INC

+217.9%
Value
$89.5M
Shares
955.6K
% Port
3.68%
T

TAIWAN SEMICONDUCTOR MANUFAC

-62.9%
Value
$79.2M
Shares
165.8K
% Port
3.26%
A

ANALOG DEVICES INC

-13.5%
Value
$79.1M
Shares
199.1K
% Port
3.25%
U

UNITED AIRLS HLDGS INC

+168.8%
Value
$73.1M
Shares
537.5K
% Port
3.01%
D

DELTA AIR LINES INC

+154.4%
Value
$71.6M
Shares
764.6K
% Port
2.95%
T

TAIWAN SEMICONDUCTOR MANUFAC

-69.8%
Value
$64.5M
Shares
135.0K
% Port
2.65%
A

ANALOG DEVICES INC

-30.3%
Value
$63.8M
Shares
160.6K
% Port
2.62%
U

UNITED AIRLS HLDGS INC

+114.8%
Value
$58.4M
Shares
429.6K
% Port
2.40%
A

ARM HOLDINGS PLC

-45.2%
Value
$55M
Shares
155.2K
% Port
2.26%

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