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 | |
|---|---|---|---|---|---|---|
4601
AGCO
AGCO
$7.1B
| $4.04M | ﹤0.01% |
38,687
-162,226
| -81% | -$17.3M |
|
4602
Signet Jewelers
SIG
$3.52B
| $4.03M | ﹤0.01% |
48,646
-30,073
| -38% | -$2.86M |
|
4603
CALL
Service Corp International
SCI
$11.5B
| $4.03M | ﹤0.01% |
51,700
-79,500
| -61% | -$6.36M |
|
4604
CALL
Chemours
CC
$2.39B
| $4.03M | ﹤0.01% |
341,500
+55,900
| +20% | +$718K |
|
4605
Advance Auto Parts
AAP
$3.41B
| $4.02M | ﹤0.01% |
102,380
+14,603
| +17% | +$732K |
|
|
ASTX
4606
PUT
Tradr 2X Long ASTS Daily ETF
ASTX
$401M
| $4.02M | ﹤0.01% |
98,300
+60,200
| +158% | +$2.94M |
|
4607
DXP Enterprises
DXPE
$3.12B
| $4.02M | ﹤0.01% |
36,631
+17,719
| +94% | +$1.93M |
|
4608
CALL
McEwen Inc
MUX
$1.15B
| $4.02M | ﹤0.01% |
217,200
-27,500
| -11% | -$512K |
|
4609
Stepan Co
SCL
$1.48B
| $4.02M | ﹤0.01% |
84,873
+75,358
| +792% | +$3.45M |
|
|
SHOE
4610
Shoe Station Group
SHOE
$414M
| $4.02M | ﹤0.01% |
238,031
+148,522
| +166% | +$2.73M |
|
4611
PUT
EPAM Systems
EPAM
$5.18B
| $4.02M | ﹤0.01% |
19,600
-47,500
| -71% | -$8.47M |
|
4612
MGE Energy Inc
MGEE
$3.09B
| $4.01M | ﹤0.01% |
51,117
+12,605
| +33% | +$1.04M |
|
4613
PUT
BorgWarner
BWA
$14B
| $4.01M | ﹤0.01% |
88,900
-83,600
| -48% | -$3.66M |
|
4614
CALL
Vanguard Morningstar Small-Cap Value ETF
VBR
$38.3B
| $4M | ﹤0.01% |
18,900
+6,000
| +47% | +$1.26M |
|
|
OPRA
4615
CALL
Opera Ltd
OPRA
$1.82B
| $4M | ﹤0.01% |
282,600
+141,200
| +100% | +$2.08M |
|
|
EFC
4616
Ellington Financial
EFC
$1.76B
| $4M | ﹤0.01% |
294,658
+158,046
| +116% | +$2.15M |
|
4617
FerroAtlántica
GSM
$820M
| $4M | ﹤0.01% |
862,329
-374,420
| -30% | -$1.73M |
|
4618
Palisade Bio
PALI
$373M
| $4M | ﹤0.01% |
+1,701,411
| New | +$3.27M |
|
4619
CALL
Compañía de Minas Buenaventura
BVN
$8.57B
| $4M | ﹤0.01% |
143,600
-77,100
| -35% | -$1.92M |
|
4620
State Street SPDR Nuveen ICE Municipal Bond ETF
TFI
$3.17B
| $4M | ﹤0.01% |
87,425
+64,586
| +283% | +$2.95M |
|
4621
PUT
Neogen
NEOG
$2.54B
| $4M | ﹤0.01% |
571,700
-256,300
| -31% | -$1.61M |
|
|
CSGS
4622
DELISTED
CSG Systems International
CSGS
| $3.99M | ﹤0.01% |
52,088
-762,703
| -94% | -$56.3M |
|
4623
PUT
Ascendis Pharma A/S
ASND
$16.3B
| $3.99M | ﹤0.01% |
18,700
+10,300
| +123% | +$2.13M |
|
4624
PUT
Amprius Technologies
AMPX
$1.83B
| $3.99M | ﹤0.01% |
505,300
+255,300
| +102% | +$2.92M |
|
4625
CALL
Silicon Laboratories
SLAB
$7.29B
| $3.99M | ﹤0.01% |
30,500
-1,800
| -6% | -$237K |
|
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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.