Ken Griffin Citadel Advisors
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.
Top Buys
| Rank | Stock | Value |
|---|---|---|
| 1 |
Amazon
AMZN
|
+$2.49B |
| 2 |
NVIDIA
NVDA
|
+$2.19B |
| 3 |
State Street SPDR Dow Jones Industrial Average ETF Trust
DIA
|
+$1.94B |
| 4 |
TSMC
TSM
|
+$728M |
| 5 |
UnitedHealth
UNH
|
+$705M |
Top Sells
| Rank | Stock | Value |
|---|---|---|
| 1 |
Meta Platforms (Facebook)
META
|
+$775M |
| 2 |
AbbVie
ABBV
|
+$540M |
| 3 |
Delta Air Lines
DAL
|
+$434M |
| 4 |
Eli Lilly
LLY
|
+$433M |
| 5 |
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 | |
|---|---|---|---|---|---|---|
9001
ProShares Ether Strategy ETF
EETH
$54.7M
| $495K | ﹤0.01% |
13,298
-354
| -3% | -$17.7K |
|
9002
PUT
Aspen Aerogels
ASPN
$481M
| $495K | ﹤0.01% |
174,800
+11,200
| +7% | +$57.8K |
|
9003
PUT
StoneX
SNEX
$8.17B
| $495K | ﹤0.01% |
11,700
+4,162
| +55% | +$174K |
|
9004
PUT
TAL Education Group
TAL
$6.5B
| $494K | ﹤0.01% |
45,300
-34,300
| -43% | -$389K |
|
9005
Eaton Vance Floating-Rate ETF
EVLN
$1.41B
| $494K | ﹤0.01% |
9,989
+3,611
| +57% | +$179K |
|
9006
PUT
VEON
VEON
$3.93B
| $494K | ﹤0.01% |
9,400
-9,500
| -50% | -$481K |
|
9007
CALL
ProShares UltraShort Energy
DUG
$19.5M
| $494K | ﹤0.01% |
15,200
+7,600
| +100% | +$255K |
|
|
LNKB
9008
DELISTED
LINKBANCORP
LNKB
| $494K | ﹤0.01% |
59,817
+19,209
| +47% | +$144K |
|
9009
PUT
Cullen/Frost Bankers
CFR
$10.5B
| $494K | ﹤0.01% |
3,900
-1,800
| -32% | -$226K |
|
9010
Strategic Trust Running Oak Efficient Growth ETF
RUNN
$407M
| $494K | ﹤0.01% |
14,812
-3,773
| -20% | -$127K |
|
9011
CALL
Ascent Industries
ACNT
$136M
| $494K | ﹤0.01% |
+30,500
| New | +$419K |
|
9012
CALL
Omnicell
OMCL
$1.66B
| $494K | ﹤0.01% |
10,900
+1,100
| +11% | +$40.2K |
|
|
BWAY
9013
Brainsway
BWAY
$616M
| $493K | ﹤0.01% |
51,852
-92,148
| -64% | -$761K |
|
9014
YieldMax AMZN Option Income Strategy ETF
AMZY
$244M
| $493K | ﹤0.01% |
37,130
-8,732
| -19% | -$121K |
|
|
AGCC
9015
Agencia Comercial Spirits
AGCC
$324M
| $493K | ﹤0.01% |
+50,516
| New | +$379K |
|
|
EFXT
9016
Enerflex
EFXT
$2.77B
| $493K | ﹤0.01% |
31,944
+8,554
| +37% | +$114K |
|
9017
PUT
Vuzix
VUZI
$236M
| $493K | ﹤0.01% |
130,300
-74,400
| -36% | -$234K |
|
9018
PUT
Lyell Immunopharma
LYEL
$331M
| $492K | ﹤0.01% |
16,000
-750
| -4% | -$16.8K |
|
|
MBSX
9019
Regan Fixed Rate MBS ETF
MBSX
$19.4M
| $492K | ﹤0.01% |
+18,638
| New | +$498K |
|
9020
PUT
Cato Corp
CATO
$65.7M
| $492K | ﹤0.01% |
159,200
+83,300
| +110% | +$306K |
|
9021
PUT
CNA Financial
CNA
$13.6B
| $492K | ﹤0.01% |
+10,300
| New | +$475K |
|
9022
J. Jill
JILL
$278M
| $491K | ﹤0.01% |
+35,798
| New | +$541K |
|
9023
PUT
Phathom Pharmaceuticals
PHAT
$767M
| $491K | ﹤0.01% |
+29,600
| New | +$423K |
|
|
PMT
9024
PUT
PennyMac Mortgage Investment
PMT
$842M
| $491K | ﹤0.01% |
39,100
-1,600
| -4% | -$19.9K |
|
9025
Nordic American Tanker
NAT
$1.44B
| $491K | ﹤0.01% |
142,641
-400,038
| -74% | -$1.41M |
|
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.