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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
AISP
8276
CALL
Airship AI Holdings
AISP
$69.6M
$667K ﹤0.01%
230,900
+97,800
+73% +$403K
ASA
8277
ASA Gold and Precious Metals
ASA
$1.12B
$667K ﹤0.01%
11,180
+5,340
+91% +$271K
AMDG
8278
Leverage Shares 2X Long AMD Daily ETF
AMDG
$30M
$667K ﹤0.01%
+25,163
New +$862K
TMB
8279
Thornburg Multi Sector Bond ETF
TMB
$247M
$666K ﹤0.01%
26,040
+16,392
+170% +$422K
IMAX icon
8280
CALL
IMAX
IMAX
$2.87B
$665K ﹤0.01%
18,000
-8,100
-31% -$282K
BILZ icon
8281
PIMCO Ultra Short Government Active ETF
BILZ
$982M
$665K ﹤0.01%
6,601
-33,733
-84% -$3.4M
FLNA
8282
CALL
Filana Therapeutics
FLNA
$43M
$665K ﹤0.01%
335,800
-44,200
-12% -$142K
APLX
8283
Tradr 2X Long APLD Daily ETF
APLX
$58.1M
$665K ﹤0.01%
39,210
+27,486
+234% +$802K
GDXW
8284
Roundhill Gold Miners WeeklyPay ETF
GDXW
$77.1M
$665K ﹤0.01%
+11,451
New +$639K
RBLY
8285
YieldMax RBLX Option Income Strategy ETF
RBLY
$2.7M
$664K ﹤0.01%
+22,764
New +$895K
KC
8286
CALL
Kingsoft Cloud Holdings
KC
$3.41B
$664K ﹤0.01%
64,200
+36,200
+129% +$445K
MASI
8287
CALL
DELISTED
Masimo
MASI
$663K ﹤0.01%
5,100
-5,700
-53% -$816K
ZEUS
8288
CALL
DELISTED
Olympic Steel
ZEUS
$663K ﹤0.01%
15,500
-2,500
-14% -$89.2K
OSIS icon
8289
PUT
OSI Systems
OSIS
$3.79B
$663K ﹤0.01%
2,600
-100
-4% -$26.1K
EXUS
8290
Nomura Focused International Core ETF
EXUS
$103M
$663K ﹤0.01%
+25,505
New +$657K
BHE icon
8291
CALL
Benchmark Electronics
BHE
$3.02B
$663K ﹤0.01%
15,500
+8,900
+135% +$386K
SPUU icon
8292
CALL
Direxion Daily S&P 500 Bull 2X ETF
SPUU
$293M
$663K ﹤0.01%
3,600
– –
EWTX icon
8293
PUT
Edgewise Therapeutics
EWTX
$4.78B
$663K ﹤0.01%
26,700
+7,500
+39% +$151K
TRVI icon
8294
CALL
Trevi Therapeutics
TRVI
$2.63B
$662K ﹤0.01%
52,900
+8,100
+18% +$93.6K
LGND icon
8295
PUT
Ligand Pharmaceuticals
LGND
$5.82B
$662K ﹤0.01%
+3,500
New +$673K
TBBK icon
8296
CALL
The Bancorp
TBBK
$2.78B
$662K ﹤0.01%
9,800
-15,700
-62% -$1.08M
ACIC icon
8297
American Coastal Insurance
ACIC
$447M
$662K ﹤0.01%
52,380
-62,482
-54% -$755K
SRCE icon
8298
1st Source
SRCE
$2.12B
$661K ﹤0.01%
+10,584
New +$655K
FDBC icon
8299
Fidelity D&D Bancorp
FDBC
$316M
$661K ﹤0.01%
15,179
-4,585
-23% -$203K
FNGS icon
8300
CALL
MicroSectors FANG+ ETNs due Jan 8 2038
FNGS
$597M
$660K ﹤0.01%
9,700
-2,900
-23% -$204K
330 331
332
333 334

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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.