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Janus Henderson Group PLC: 13F portfolio Q1 2026 and what copying it returned

Janus Henderson Group PLC's 13F for the quarter ended 2026-03-31 (filed May 18, 2026): 400 common-share positions, $209.4B reported. Copying each 13F the day after it was filed returned +27.0% from May 19, 2025 to Aug 20, 2026, against +28.3% for SPY.

Reported 13F assets$209.4B
Positions (common)400
Quarter2026-03-31
Clone return+27.0%
SPY, same days+28.3%
Clone max drawdown-12.9%

Copying the 13F

2025-052025-072025-092025-112026-012026-032026-052026-072026-08cloneSPY

Each 13F bought at the close of the first trading day after it was filed and held, drifting, until the next one; value-weighted over the common-share positions with a price (91.8% of the portfolio on average); 5 filings since May 15, 2025. Price returns for the clone and SPY alike (no dividends, no costs). A 13F lists only US long positions at quarter end, reported up to 45 days later.

Largest holdings (2026-03-31)

Janus Henderson Group PLC: largest 13F holdings, 2026-03-31Janus Henderson Group PLC: largest 13F holdings, 2026-03-31NVDA · NVIDIA$14.4BMSFT · Microsoft$8.8BAAPL · Apple$6.8BGOOG · Alphabet$6.8BAMZN · Amazon.com$6.7BAVGO · Broadcom$6.0BLLY · ELI Lilly$4.0BMETA · Meta Platforms$3.9BTSM · Taiwan Semiconductor Manufa…$2.7BMA · Mastercard$2.3BLRCX · LAM Research$2.0BJNJ · Johnson & Johnson$1.9BARGX · Argenx SE$1.8BKLAC · KLA$1.8BHWM · Howmet Aerospace$1.8B
TickerCompanyWeightValueChange in the quarter
NVDANVIDIA6.9%$14.4B+0.2%
MSFTMicrosoft4.2%$8.8B-10.9%
AAPLApple3.2%$6.8B-1.6%
GOOGAlphabet3.2%$6.8B-3.3%
AMZNAmazon.com3.2%$6.7B-4.9%
AVGOBroadcom2.9%$6.0B-4.3%
LLYELI Lilly1.9%$4.0B-2.1%
METAMeta Platforms1.9%$3.9B+12.7%
TSMTaiwan Semiconductor Manufacturing1.3%$2.7B-4.5%
MAMastercard1.1%$2.3B-13.2%
LRCXLAM Research0.9%$2.0B+2.0%
JNJJohnson & Johnson0.9%$1.9B+1.9%
ARGXArgenx SE0.9%$1.8B+3.4%
KLACKLA0.9%$1.8B-8.3%
HWMHowmet Aerospace0.8%$1.8B-2.4%
ORCLOracle0.8%$1.8B-17.1%
ABBVAbbVie0.7%$1.5B+8.3%
NFLXNetflix0.7%$1.4B+12.2%
FERGFerguson Enterprises0.7%$1.4B+2.1%
VVisa0.7%$1.4B+33.1%
GEVGE Vernova0.6%$1.3B+4358.6%
MUMicron Technology0.6%$1.3B+19.5%

Biggest adds

Biggest cuts

Track record

Of 135 position changes scored in 135 separate decisions, 55.6% were on the right side of SPY over the next three months (Disclosures → Smart money).

Open in Disclosures → every quarter, the clone month by month, the smart-money record

Source: SEC Form 13F-HR, filer CIK 1274173. Not investment advice.