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 | |
|---|---|---|---|---|---|---|
4701
CALL
nCino
NCNO
$2.28B
| $3.84M | ﹤0.01% |
149,600
-64,300
| -30% | -$1.63M |
|
4702
CALL
Invesco DB US Dollar Index Bearish Fund
UDN
$109M
| $3.83M | ﹤0.01% |
210,200
+26,100
| +14% | +$484K |
|
4703
Group 1 Automotive
GPI
$3.15B
| $3.83M | ﹤0.01% |
9,748
+5,585
| +134% | +$2.29M |
|
|
STUB
4704
PUT
StubHub Holdings
STUB
$3.09B
| $3.83M | ﹤0.01% |
283,300
+146,100
| +106% | +$2.3M |
|
4705
Erasca
ERAS
$6.43B
| $3.83M | ﹤0.01% |
1,030,345
+688,546
| +201% | +$1.94M |
|
4706
CALL
PTC
PTC
$16.2B
| $3.83M | ﹤0.01% |
22,000
+8,400
| +62% | +$1.56M |
|
4707
Dimensional Core Fixed Income ETF
DFCF
$10.9B
| $3.83M | ﹤0.01% |
90,002
-170,181
| -65% | -$7.29M |
|
4708
Polaris
PII
$3.95B
| $3.83M | ﹤0.01% |
+60,557
| New | +$3.99M |
|
4709
CALL
Alphatec Holdings
ATEC
$1.51B
| $3.82M | ﹤0.01% |
181,700
-93,000
| -34% | -$1.72M |
|
4710
PUT
Sociedad Química y Minera de Chile
SQM
$21.2B
| $3.82M | ﹤0.01% |
55,500
-20,000
| -26% | -$1.1M |
|
|
MYCO
4711
State Street My2035 Corporate Bond ETF
MYCO
$7.19M
| $3.82M | ﹤0.01% |
153,768
-41,302
| -21% | -$1.03M |
|
4712
PUT
Structure Therapeutics
GPCR
$3.87B
| $3.81M | ﹤0.01% |
54,800
-28,600
| -34% | -$1.17M |
|
4713
CALL
Dover
DOV
$27.9B
| $3.81M | ﹤0.01% |
19,500
-5,800
| -23% | -$1.06M |
|
|
HSBH
4714
HSBC Holdings PLC ADRhedged
HSBH
$11.3M
| $3.81M | ﹤0.01% |
44,043
-11,863
| -21% | -$945K |
|
4715
PUT
Olin
OLN
$2.18B
| $3.81M | ﹤0.01% |
182,700
+67,600
| +59% | +$1.46M |
|
4716
CALL
Kaspi.kz JSC
KSPI
$18.8B
| $3.8M | ﹤0.01% |
48,700
+24,800
| +104% | +$1.87M |
|
4717
CALL
Rogers Communications
RCI
$19.7B
| $3.8M | ﹤0.01% |
100,800
-18,000
| -15% | -$675K |
|
4718
Global X Lithium & Battery Tech ETF
LIT
$1.61B
| $3.8M | ﹤0.01% |
58,611
+51,685
| +746% | +$3.19M |
|
4719
CALL
Vermilion Energy
VET
$1.73B
| $3.8M | ﹤0.01% |
455,600
+281,700
| +162% | +$2.33M |
|
4720
Intrepid Potash
IPI
$493M
| $3.8M | ﹤0.01% |
136,993
+18,617
| +16% | +$500K |
|
4721
Morgan Stanley Direct Lending Fund
MSDL
$1.3B
| $3.8M | ﹤0.01% |
230,300
+159,391
| +225% | +$2.69M |
|
4722
Green Brick Partners
GRBK
$3.03B
| $3.79M | ﹤0.01% |
60,498
+32,246
| +114% | +$2.13M |
|
|
TERN
4723
PUT
DELISTED
Terns Pharmaceuticals
TERN
| $3.79M | ﹤0.01% |
93,700
+79,500
| +560% | +$1.84M |
|
4724
Capital Group International Equity ETF
CGIE
$2.47B
| $3.78M | ﹤0.01% |
108,501
+47,354
| +77% | +$1.62M |
|
|
XRPR
4725
REX-Osprey XRP ETF
XRPR
$38.4M
| $3.78M | ﹤0.01% |
252,203
+143,032
| +131% | +$2.69M |
|
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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.