Ken Griffin vs Bill Ackman

Portfolio overlap & divergence from the latest 13F filings.

Ken Griffin

Citadel Advisors

multi

Bill Ackman

Pershing Square

activist

Shared holdings

Portfolio overlap

Positions (A · B)

5973 · 11

Stocks they both own

Stock	Ken %	Bill %
$AMZN AMAZON COM INC	1.7%	17.4%
$MSFT MICROSOFT CORP	1.9%	15.3%
$META META PLATFORMS INC	2.2%	11.1%
$GOOGL ALPHABET INC	1.7%	0.1%
$GOOG ALPHABET INC	0.9%	0.7%

Only Ken Griffin owns

$SPY6.8%$QQQ5.2%$NVDA3.9%$TSLA3.9%$GLD2.4%$AAPL2.3%$MU1.7%$IWM1.5%$NFLX1.1%$AVGO1.1%

Only Bill Ackman owns

$BN17.6%$UBER15.7%$QSR12.2%$HHH8.7%$SEG0.8%$HTZ0.5%

Frequently asked

What stocks do Ken Griffin and Bill Ackman both own?

They share 5 holdings, the largest overlaps being $AMZN, $MSFT, $META, $GOOGL, $GOOG.

How similar are their portfolios?

Their disclosed long books overlap roughly 9% by position set. Ken Griffin runs 5973 positions; Bill Ackman runs 11.

More comparisons

Buffett vs Burry Buffett vs Wood Buffett vs Aschenbrenner Buffett vs Griffin Buffett vs Druckenmiller Buffett vs Dalio Buffett vs Ackman Buffett vs Soros Buffett vs Icahn Buffett vs Tepper

Overlap computed from disclosed long equity positions (SEC 13F / N-PORT). Diversified books are capped to their largest positions. Not financial advice.