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 | |
|---|---|---|---|---|---|---|
6626
Atlas Energy Solutions
AESI
$1.56B
| $1.4M | ﹤0.01% |
148,177
-50,226
| -25% | -$508K |
|
6627
Midland States Bancorp
MSBI
$688M
| $1.4M | ﹤0.01% |
65,906
+11,056
| +20% | +$195K |
|
6628
ImmunityBio
IBRX
$8.12B
| $1.4M | ﹤0.01% |
704,574
-426,174
| -38% | -$966K |
|
6629
CALL
CGI
GIB
$15.2B
| $1.39M | ﹤0.01% |
15,100
-200
| -1% | -$17.8K |
|
6630
PUT
B&G Foods
BGS
$282M
| $1.39M | ﹤0.01% |
324,100
-60,400
| -16% | -$270K |
|
6631
FT Vest S&P 500 Dividend Aristocrats Target Income ETF
KNG
$3.47B
| $1.39M | ﹤0.01% |
28,348
-29,013
| -51% | -$1.42M |
|
6632
Fidelity Enhanced Large Cap Growth ETF
FELG
$5.7B
| $1.39M | ﹤0.01% |
33,375
+7,885
| +31% | +$328K |
|
6633
CALL
Ingles Markets
IMKTA
$1.63B
| $1.39M | ﹤0.01% |
20,300
+10,500
| +107% | +$763K |
|
6634
PUT
Icahn Enterprises
IEP
$4.88B
| $1.39M | ﹤0.01% |
184,300
+56,000
| +44% | +$451K |
|
|
NXDR
6635
Nextdoor Holdings
NXDR
$959M
| $1.39M | ﹤0.01% |
662,417
-455,245
| -41% | -$892K |
|
|
ETHW
6636
Bitwise Ethereum ETF
ETHW
$204M
| $1.39M | ﹤0.01% |
65,374
+4,894
| +8% | +$121K |
|
6637
CALL
ONE Gas
OGS
$5.11B
| $1.39M | ﹤0.01% |
18,000
+6,300
| +54% | +$506K |
|
6638
Antero Midstream
AM
$10.7B
| $1.39M | ﹤0.01% |
78,111
+17,962
| +30% | +$324K |
|
6639
Solid Power
SLDP
$513M
| $1.39M | ﹤0.01% |
326,901
-760,115
| -70% | -$4.2M |
|
6640
iShares MSCI Intl Momentum Factor ETF
IMTM
$4.28B
| $1.39M | ﹤0.01% |
+28,961
| New | +$1.39M |
|
6641
PUT
Vita Coco
COCO
$3.74B
| $1.39M | ﹤0.01% |
26,200
-14,200
| -35% | -$666K |
|
6642
CALL
Portillo's
PTLO
$354M
| $1.39M | ﹤0.01% |
305,900
+120,500
| +65% | +$629K |
|
|
NFLU
6643
CALL
T-Rex 2X Long NFLX Daily Target ETF
NFLU
$60.7M
| $1.39M | ﹤0.01% |
42,800
+13,800
| +48% | +$618K |
|
6644
908 Devices
MASS
$408M
| $1.39M | ﹤0.01% |
+264,373
| New | +$1.85M |
|
6645
PUT
Simply Good Foods
SMPL
$966M
| $1.39M | ﹤0.01% |
69,100
-25,900
| -27% | -$539K |
|
6646
CALL
ARK Autonomous Technology & Robotics ETF
ARKQ
$2.02B
| $1.39M | ﹤0.01% |
12,100
-6,000
| -33% | -$692K |
|
6647
CALL
California Resources
CRC
$4.73B
| $1.39M | ﹤0.01% |
31,029
+129
| +0.4% | +$6.12K |
|
6648
Columbus McKinnon
CMCO
$526M
| $1.39M | ﹤0.01% |
80,374
-155,969
| -66% | -$2.5M |
|
6649
CALL
Global X Blockchain ETF
BKCH
$200M
| $1.39M | ﹤0.01% |
21,700
+10,500
| +94% | +$920K |
|
|
CAEP
6650
DELISTED
Cantor Equity Partners III
CAEP
| $1.38M | ﹤0.01% |
135,776
-556,304
| -80% | -$5.77M |
|
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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.