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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
ASIC
9851
Ategrity Specialty Insurance
ASIC
$1.18B
$335K ﹤0.01%
+15,930
New +$301K
CCB icon
9852
Coastal Financial
CCB
$802M
$335K ﹤0.01%
+2,920
New +$319K
MAXN
9853
DELISTED
Maxeon Solar Technologies
MAXN
$335K ﹤0.01%
+121,655
New +$403K
BTCS icon
9854
CALL
BTCS Inc
BTCS
$55.7M
$334K ﹤0.01%
126,700
+17,700
+16% +$63.9K
VPL icon
9855
PUT
Vanguard FTSE Pacific ETF
VPL
$8.64B
$334K ﹤0.01%
3,700
+1,200
+48% +$108K
PXLW icon
9856
Pixelworks
PXLW
$42.2M
$334K ﹤0.01%
+52,557
New +$403K
VEL icon
9857
PUT
Velocity Financial
VEL
$717M
$334K ﹤0.01%
16,100
-61,300
-79% -$1.15M
MNTK icon
9858
Montauk Renewables
MNTK
$268M
$334K ﹤0.01%
200,021
-4,686
-2% -$9K
FTCI icon
9859
FTC Solar
FTCI
$38.7M
$334K ﹤0.01%
30,611
+20,045
+190% +$183K
CALI
9860
BlackRock ETF Trust II iShares Short-Term California Muni Active ETF
CALI
$451M
$334K ﹤0.01%
6,616
+384
+6% +$19.4K
FLXS icon
9861
Flexsteel Industries
FLXS
$301M
$334K ﹤0.01%
8,448
-901
-10% -$35.1K
GHRS icon
9862
GH Research
GHRS
$2.02B
$333K ﹤0.01%
26,258
-68,144
-72% -$928K
XNTK icon
9863
CALL
State Street SPDR NYSE Technology ETF
XNTK
$2.26B
$333K ﹤0.01%
1,200
-1,800
-60% -$503K
UGA icon
9864
CALL
United States Gasoline Fund
UGA
$138M
$333K ﹤0.01%
5,400
-11,000
-67% -$709K
RAFE icon
9865
PIMCO RAFI ESG US ETF
RAFE
$170M
$333K ﹤0.01%
7,937
-8,378
-51% -$346K
SBFG icon
9866
SB Financial Group
SBFG
$170M
$333K ﹤0.01%
14,964
-14,674
-50% -$304K
DOGZ icon
9867
Dogness International Corp
DOGZ
$16.8M
$333K ﹤0.01%
+31,431
New +$375K
SRZN icon
9868
Surrozen
SRZN
$282M
$333K ﹤0.01%
14,740
+865
+6% +$14K
MFSG
9869
MFS Active Growth ETF
MFSG
$381M
$333K ﹤0.01%
11,767
+2,883
+32% +$81.5K
PSK icon
9870
PUT
State Street SPDR ICE Preferred Securities ETF
PSK
$683M
$333K ﹤0.01%
+10,500
New +$340K
CNS icon
9871
CALL
Cohen & Steers
CNS
$4.36B
$333K ﹤0.01%
5,300
+2,100
+66% +$137K
FSOL
9872
CALL
Fidelity Solana Fund
FSOL
$97.2M
$333K ﹤0.01%
+22,800
New +$351K
DHC
9873
PUT
Diversified Healthcare Trust
DHC
$2.03B
$332K ﹤0.01%
68,500
+3,100
+5% +$14.1K
CRDF icon
9874
Cardiff Oncology
CRDF
$74.9M
$332K ﹤0.01%
118,188
+95,823
+428% +$222K
VAW icon
9875
CALL
Vanguard Materials ETF
VAW
$3.07B
$332K ﹤0.01%
1,600
+400
+33% +$80.6K
393 394
395
396 397

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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.