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Ken Griffin

Ken Griffin Citadel Advisors

AUM $618B
1-Year Est. Return 30.34%
 

Ken Griffin founded Citadel, one of the world’s largest and most successful hedge funds. Starting his trading career from his Harvard dorm room at a young age, Griffin quickly developed a keen sense for markets and built Citadel into a global powerhouse with billions in assets under management. Known for his quantitative and technology-driven strategies, Griffin has also made headlines for significant philanthropic contributions, supporting causes in education, the arts, and public institutions. Over the years, he has earned recognition as one of the preeminent figures in modern finance.

This Fund
S&P 500
This Quarter Est. Return
+5.22%
1 Year Est. Return
+30.34%
3 Year Est. Return
+94.87%
5 Year Est. Return
+105.94%
10 Year Est. Return
+434.06%
AUM
$666B
AUM Growth
+$8.72B
Cap. Flow
+$1.57B
Cap. Flow %
0.24%
Top 10 Hldgs %
22.76%
Holding
14,701
New
2,078
Increased
5,000
Reduced
5,362
Closed
2,191

Top Sells

Rank Stock Value
1
META icon
Meta Platforms (Facebook)
META
+$775M
2
ABBV icon
AbbVie
ABBV
+$540M
3
DAL icon
Delta Air Lines
DAL
+$434M
4
LLY icon
Eli Lilly
LLY
+$433M
5
DXCM icon
DexCom
DXCM
+$433M

Sector Composition

Rank Sector Weight
1 Technology 4.89%
2 Healthcare 2.92%
3 Financials 2.71%
4 Consumer Discretionary 2.52%
5 Industrials 2.2%
Name Market Value Portfolio Weight Shares or Principal Change
in Stake
Capital Flow
SPTE icon
13951
SP Funds S&P Global Technology ETF
SPTE
$235M
-10,010
Closed -$344K
SPTL icon
13952
State Street SPDR Portfolio Long Term Treasury ETF
SPTL
$10.8B
-244,605
Closed -$6.59M
SPTL icon
13953
PUT
State Street SPDR Portfolio Long Term Treasury ETF
SPTL
$10.8B
-11,100
Closed -$299K
SPTM icon
13954
State Street SPDR Portfolio S&P 1500 Composite Stock Market ETF
SPTM
$14.1B
-75,081
Closed -$6.14M
SPWO icon
13955
SP Funds S&P World ex-US ETF
SPWO
$212M
-10,431
Closed -$278K
SPXC icon
13956
SPX Corp
SPXC
$10.6B
-13,262
Closed -$2.71M
SPXS icon
13957
Direxion Daily S&P 500 Bear 3x ETF
SPXS
$327M
-260,151
Closed -$9.52M
SPXU icon
13958
ProShares UltraPro Short S&P 500
SPXU
$378M
-10,461
Closed -$544K
SPYC icon
13959
Simplify US Equity PLUS Convexity ETF
SPYC
$121M
-10,668
Closed -$457K
SQEW
13960
DELISTED
LeaderShares Equity Skew ETF
SQEW
-19,278
Closed -$694K
SRCE icon
13961
CALL
1st Source
SRCE
$2.13B
-8,300
Closed -$511K
SRDX
13962
DELISTED
Surmodics
SRDX
-365,110
Closed -$10.9M
SRHR icon
13963
SRH REIT Covered Call ETF
SRHR
$53.1M
-5,652
Closed -$313K
TRON
13964
Tron Inc
TRON
$768M
-150,637
Closed -$340K
SSD icon
13965
PUT
Simpson Manufacturing
SSD
$8B
-3,300
Closed -$553K
SSFI icon
13966
Day Hagan/Ned Davis Research Smart Sector Fixed Income ETF
SSFI
$29.4M
-9,475
Closed -$204K
SSL icon
13967
CALL
Sasol
SSL
$7.17B
-39,600
Closed -$246K
SSP icon
13968
CALL
E.W. Scripps
SSP
$310M
-27,600
Closed -$67.9K
SSP icon
13969
PUT
E.W. Scripps
SSP
$310M
-12,600
Closed -$31K
SSTK icon
13970
CALL
Shutterstock
SSTK
$217M
-23,600
Closed -$492K
SSUS icon
13971
Day Hagan/Ned Davis Research Smart Sector ETF
SSUS
$590M
-14,126
Closed -$682K
STAA icon
13972
CALL
STAAR Surgical
STAA
$1.26B
-37,600
Closed -$1.01M
STAA icon
13973
PUT
STAAR Surgical
STAA
$1.26B
-14,900
Closed -$400K
STC icon
13974
CALL
Stewart Information Services
STC
$2.07B
-4,600
Closed -$337K
STE icon
13975
PUT
Steris
STE
$23B
-1,300
Closed -$322K

Similar funds

Ken Griffin's Q4 2025 Portfolio in Review

As of Q4 2025, Ken Griffin held 14,701 positions worth $666B, up 1.3% from $657B the previous quarter. Its ten largest holdings account for 23% of the portfolio.

Ken Griffin's Q4 2025 filing shows 2,078 new, 5,000 increased, 5,362 reduced and 2,191 closed positions. Its largest new stake was Medline Inc: 6,006,339 shares worth $252M. The largest sale was Meta Platforms (Facebook), an estimated $775M.

By sector, the portfolio is most concentrated in Technology at 4.9% of assets, up from 3.8% a quarter earlier, followed by Healthcare and Financials.

  • Ken Griffin's largest Q4 2025 buy was Medline Inc: 6,006,339 shares worth $252M.
  • Ken Griffin added most to Amazon in Q4 2025, an estimated $2.49B increase.
  • Ken Griffin's biggest Q4 2025 reduction was Meta Platforms (Facebook), cutting an estimated $775M.
  • Ken Griffin fully exited WEX in Q4 2025, selling an estimated $131M.
  • Ken Griffin's ten largest holdings make up 23% of its $666B portfolio in Q4 2025.
  • Ken Griffin opened 2,078 new positions and closed 2,191 in Q4 2025.
  • Ken Griffin's portfolio value rose 1.3% quarter-over-quarter to $666B.

Based on Citadel Advisors's 13F filing for Q4 2025, filed 17 Feb 2026.