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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
DFDV
6701
PUT
DeFi Development Corp
DFDV
$97.3M
$1.36M ﹤0.01%
268,800
-37,440
-12% -$343K
IAT icon
6702
PUT
iShares US Regional Banks ETF
IAT
$678M
$1.36M ﹤0.01%
24,600
+10,100
+70% +$525K
FTC icon
6703
First Trust Large Cap Growth AlphaDEX Fund
FTC
$1.38B
$1.36M ﹤0.01%
+8,483
New +$1.36M
MCW
6704
DELISTED
Mister Car Wash
MCW
$1.36M ﹤0.01%
243,774
-59,392
-20% -$313K
AESI icon
6705
CALL
Atlas Energy Solutions
AESI
$1.57B
$1.35M ﹤0.01%
143,800
+19,200
+15% +$194K
AMPY icon
6706
PUT
Amplify Energy
AMPY
$200M
$1.35M ﹤0.01%
296,300
+28,200
+11% +$140K
LILA icon
6707
Liberty Latin America Class A
LILA
$1.64B
$1.35M ﹤0.01%
269,635
+139,568
+107% +$770K
OS
6708
PUT
DELISTED
OneStream Inc
OS
$1.35M ﹤0.01%
73,600
-33,500
-31% -$639K
TWO
6709
CALL
Two Harbors Investment
TWO
$1.26B
$1.35M ﹤0.01%
128,800
+6,700
+5% +$67K
AGM icon
6710
CALL
Federal Agricultural Mortgage
AGM
$2.5B
$1.35M ﹤0.01%
7,700
+2,200
+40% +$370K
AMLX icon
6711
CALL
Amylyx Pharmaceuticals
AMLX
$3.59B
$1.35M ﹤0.01%
111,900
+13,800
+14% +$187K
RDWR icon
6712
PUT
Radware
RDWR
$1.2B
$1.35M ﹤0.01%
56,100
+24,000
+75% +$586K
ARDX icon
6713
PUT
Ardelyx
ARDX
$1.01B
$1.35M ﹤0.01%
231,800
-151,900
-40% -$846K
MCRI icon
6714
PUT
Monarch Casino & Resort
MCRI
$2.22B
$1.35M ﹤0.01%
14,100
+4,100
+41% +$394K
CRVS icon
6715
PUT
Corvus Pharmaceuticals
CRVS
$1.26B
$1.35M ﹤0.01%
175,000
+108,200
+162% +$853K
DCH
6716
CALL
Dauch Corp
DCH
$1.55B
$1.35M ﹤0.01%
210,200
-122,300
-37% -$761K
RRX icon
6717
PUT
Regal Rexnord
RRX
$11.3B
$1.35M ﹤0.01%
9,600
-6,200
-39% -$882K
SMCX
6718
PUT
Defiance Daily Target 2X Long SMCI ETF
SMCX
$228M
$1.35M ﹤0.01%
59,050
-8,900
-13% -$495K
FIIG icon
6719
First Trust Intermediate Duration Investment Grade Corporate ETF
FIIG
$643M
$1.35M ﹤0.01%
+63,505
New +$1.35M
TNGX icon
6720
Tango Therapeutics
TNGX
$4.25B
$1.35M ﹤0.01%
+151,880
New +$1.31M
BIZD icon
6721
PUT
VanEck BDC Income ETF
BIZD
$1.69B
$1.34M ﹤0.01%
94,800
+8,800
+10% +$126K
VCTR icon
6722
PUT
Victory Capital Holdings
VCTR
$7.24B
$1.34M ﹤0.01%
21,300
+17,000
+395% +$1.08M
NUTR
6723
DELISTED
Nusatrip Inc
NUTR
$1.34M ﹤0.01%
149,270
+133,467
+845% +$1.16M
APLX
6724
CALL
Tradr 2X Long APLD Daily ETF
APLX
$50.4M
$1.34M ﹤0.01%
+79,200
New +$2.31M
GQRE icon
6725
FlexShares Global Quality Real Estate Index Fund
GQRE
$419M
$1.34M ﹤0.01%
22,791
+1,277
+6% +$76.5K
267 268
269
270 271

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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.