13F
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Blue Whale Capital LLP

13F equity value
$2.1B
Positions
26
Top 10 concentration
72.0%
Quarters / total new picks
20 / 43
13F equity value over time
$0M$1B$2B20192020202120222023202420252026

"13F equity value" = market value of this filer's US-listed long equity positions only. It excludes cash, bonds, non-US and short positions, so it understates a fund's true assets under management — often by a lot.

Not significant Verdict

13F holdings are disclosed ~45 days after quarter-end, and they never reveal when within the quarter a fund actually bought. So any 13F-based summary is structurally late and blurred — this applies to every fund, including this one.

We backtested copying it anyway. Buying this fund's new positions the day each filing went public, over 20 quarters, returned +1.5% per quarter — versus +2.4% per quarter from simply owning every 13F stock. It beat that baseline in only 50.0% of quarters (excess t = -1.21, not statistically significant). Its filings tell you what it bought — not what you should buy.

Avg 2Q excess
-4.9%
t-stat
-1.21
Quarterly win rate
50%
Annualized excess
-11.4%
$1 → follow vs universe
$0.86 vs $1.50
Cumulative return: $1 invested in new picks vs universe
1.00 20200331: universe 1.20620201231: universe 1.26020210331: universe 1.27220210630: universe 1.37320210930: universe 1.23320211231: universe 1.04920220331: universe 1.12620220630: universe 1.04420221231: universe 0.96920230630: universe 0.93420230930: universe 1.06120231231: universe 1.10820240331: universe 1.13320240630: universe 1.23620240930: universe 1.22520241231: universe 1.14420250331: universe 1.24720250630: universe 1.28620250930: universe 1.44620251231: universe 1.496 20200331: follow 0.98820201231: follow 0.78020210331: follow 0.87720210630: follow 1.33620210930: follow 1.11220211231: follow 0.56720220331: follow 0.55420220630: follow 0.52920221231: follow 0.56820230630: follow 0.53520230930: follow 0.61320231231: follow 0.54120240331: follow 0.65220240630: follow 0.79320240930: follow 0.76320241231: follow 0.57820250331: follow 0.64020250630: follow 0.70520250930: follow 0.77520251231: follow 0.860 0.49 1.05 1.62 202020212022202320242025 Follow Universe

Quarterly compounding, invested quarters only · entry 47 days after quarter-end (when 13F data becomes public)

Listed as facts. See the verdict above before treating this as signal.

Top 20 holdings of 26 · 2026 Q1

Ticker Value Weight QoQ
LRCX $276M
13.1%
TRIM
NVDA $275M
13.1%
ADD
MSI $165M
7.9%
ADD
LITE $149M
7.1%
ADD
TSM $138M
6.6%
HOLD
AVGO $136M
6.5%
ADD
VRT $114M
5.4%
TRIM
HON $97M
4.6%
ADD
NEM $83M
4.0%
TRIM
LLY $81M
3.9%
ADD
SNDK $73M
3.5%
NEW
APP $59M
2.8%
ADD
UBER $56M
2.7%
TRIM
IBKR $48M
2.3%
ADD
RGEN $48M
2.3%
ADD
WM $47M
2.2%
NEW
QXO $36M
1.7%
NEW
FICO $34M
1.6%
NEW
GOOGL $33M
1.6%
NEW
SCHW $31M
1.5%
ADD

QoQ vs previous quarter's share count · NEW = new position · ADD/TRIM = ±2% shares · HOLD = unchanged.

Listed as facts. See the verdict above before treating this as signal.

New positions in 2026 Q1

FICOGOOGLQXOSNDKWM

Method & Limitations

Method: a "new position" = held this quarter, absent last quarter (options excluded; stocks with <50 prior holders excluded to filter spin-off artifacts). Entry 47 days after quarter-end — the first day the public could act on the filing. Benchmark = equal-weighted universe of all 13F-held stocks. Limitations: quarterly snapshots can't see intra-quarter trades; survivorship bias — funds that shut down are absent, which flatters the sample. Statistics, not advice.