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Ken Griffin

Ken Griffin Citadel Advisors

AUM $875B
1-Year Est. Return 40.91%
 

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
+40.91%
3 Year Est. Return
+115.85%
5 Year Est. Return
+132.1%
10 Year Est. Return
+518.81%
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 Buys

Rank Stock Value
1
AMZN icon
Amazon
AMZN
+$2.49B
2
NVDA icon
NVIDIA
NVDA
+$2.19B
3
DIA icon
State Street SPDR Dow Jones Industrial Average ETF Trust
DIA
+$1.94B
4
TSM icon
TSMC
TSM
+$728M
5
UNH icon
UnitedHealth
UNH
+$705M

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
HQY icon
9576
PUT
HealthEquity
HQY
$8.76B
$385K ﹤0.01%
4,200
-21,000
-83% -$2.01M
RAMP icon
9577
CALL
LiveRamp
RAMP
$2.3B
$385K ﹤0.01%
13,100
-500
-4% -$14.4K
ORBS
9578
CALL
Eightco Holdings
ORBS
$280M
$384K ﹤0.01%
+222,000
New +$1.04M
VRE
9579
PUT
DELISTED
Veris Residential
VRE
$384K ﹤0.01%
25,800
+900
+4% +$13.3K
IBMQ icon
9580
iShares iBonds Dec 2028 Term Muni Bond ETF
IBMQ
$662M
$384K ﹤0.01%
15,009
-7,309
-33% -$187K
SD icon
9581
PUT
SandRidge Energy
SD
$520M
$384K ﹤0.01%
26,600
-21,700
-45% -$287K
FONR
9582
DELISTED
Fonar
FONR
$383K ﹤0.01%
+20,631
New +$311K
LUD
9583
Luda Technology Group
LUD
$97.3M
$383K ﹤0.01%
+59,610
New +$523K
ZONE
9584
CleanCore Solutions
ZONE
$35.7M
$383K ﹤0.01%
+1,471,688
New +$1.23M
ATOS icon
9585
Atossa Therapeutics
ATOS
$25.9M
$382K ﹤0.01%
43,208
+25,650
+146% +$324K
MUFG icon
9586
PUT
Mitsubishi UFJ Financial
MUFG
$260B
$382K ﹤0.01%
24,100
+9,300
+63% +$144K
HODL icon
9587
VanEck Bitcoin Trust
HODL
$1.05B
$382K ﹤0.01%
+15,453
New +$437K
EYE icon
9588
CALL
National Vision
EYE
$1.53B
$382K ﹤0.01%
14,800
-109,600
-88% -$2.95M
CONI
9589
CALL
GraniteShares 2x Short COIN Daily ETF
CONI
$12.4M
$382K ﹤0.01%
5,600
-1,805
-24% -$85.3K
SRTY icon
9590
CALL
ProShares UltraPro Short Russell2000
SRTY
$65.3M
$382K ﹤0.01%
9,000
+3,750
+71% +$166K
AGIX
9591
KraneShares Public-Private AI & Technology ETF
AGIX
$628M
$382K ﹤0.01%
+10,517
New +$390K
EML icon
9592
Eastern Company
EML
$153M
$382K ﹤0.01%
19,389
+9,564
+97% +$195K
BOND icon
9593
CALL
PIMCO Active Bond Exchange-Traded Fund
BOND
$8.47B
$382K ﹤0.01%
+4,100
New +$384K
GGLL icon
9594
Direxion Daily GOOGL Bull 2X ETF
GGLL
$954M
$382K ﹤0.01%
3,939
-7,381
-65% -$628K
DJCO icon
9595
Daily Journal
DJCO
$831M
$382K ﹤0.01%
+783
New +$348K
IONX
9596
Defiance Daily Target 2X Long IONQ ETF
IONX
$232M
$382K ﹤0.01%
+5,860
New +$762K
HBNC icon
9597
Horizon Bancorp
HBNC
$1.06B
$381K ﹤0.01%
22,485
-31,280
-58% -$518K
LPL icon
9598
CALL
LG Display
LPL
$3.5B
$381K ﹤0.01%
90,500
+28,100
+45% +$131K
ERAS icon
9599
CALL
Erasca
ERAS
$6.43B
$381K ﹤0.01%
102,400
+47,600
+87% +$134K
ETHW
9600
PUT
Bitwise Ethereum ETF
ETHW
$197M
$381K ﹤0.01%
17,900
-2,100
-11% -$52K
382 383
384
385 386

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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.