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 | |
|---|---|---|---|---|---|---|
1626
Vera Therapeutics
VERA
$2.28B
| $39.4M | 0.01% |
777,488
-837,850
| -52% | -$29.8M |
|
1627
CALL
PNC Financial Services
PNC
$103B
| $39.4M | 0.01% |
188,600
+48,200
| +34% | +$9.3M |
|
1628
Amgen
AMGN
$225B
| $39.3M | 0.01% |
119,980
-30,868
| -20% | -$9.79M |
|
|
ALH
1629
Alliance Laundry Holdings
ALH
$5.06B
| $39.2M | 0.01% |
+1,925,000
| New | +$46.3M |
|
|
NESR
1630
National Energy Services Reunited Corp
NESR
$3.66B
| $39.1M | 0.01% |
2,497,708
+283,101
| +13% | +$3.71M |
|
1631
CALL
Brinker International
EAT
$10.2B
| $39.1M | 0.01% |
272,200
-163,200
| -37% | -$21.4M |
|
1632
Jackson Financial
JXN
$9.17B
| $39M | 0.01% |
365,745
-112,310
| -23% | -$11.2M |
|
1633
PUT
Nutrien
NTR
$32.6B
| $38.9M | 0.01% |
630,300
-4,600
| -0.7% | -$271K |
|
|
CBC
1634
Central Bancompany Inc
CBC
$7.83B
| $38.8M | 0.01% |
+1,610,622
| New | +$37.9M |
|
1635
STMicroelectronics
STM
$48.5B
| $38.8M | 0.01% |
1,495,711
+464,305
| +45% | +$11.9M |
|
1636
AvalonBay Communities
AVB
$26.3B
| $38.6M | 0.01% |
212,677
-105,124
| -33% | -$19.1M |
|
1637
CALL
NXP Semiconductors
NXPI
$59.2B
| $38.5M | 0.01% |
177,400
+15,400
| +10% | +$3.3M |
|
1638
American Water Works
AWK
$27.1B
| $38.5M | 0.01% |
294,749
-820,950
| -74% | -$110M |
|
1639
Samsara
IOT
$23.2B
| $38.4M | 0.01% |
1,082,208
-1,387,291
| -56% | -$53.7M |
|
1640
CALL
Travelers Companies
TRV
$77.2B
| $38.3M | 0.01% |
132,200
+51,300
| +63% | +$14.4M |
|
1641
CALL
Tapestry
TPR
$26.1B
| $38.3M | 0.01% |
299,500
-218,700
| -42% | -$25M |
|
1642
PUT
Duke Energy
DUK
$96.6B
| $38.2M | 0.01% |
326,100
-10,600
| -3% | -$1.29M |
|
1643
Hexcel
HXL
$7.87B
| $38.2M | 0.01% |
516,505
+356,501
| +223% | +$25.2M |
|
1644
Dutch Bros
BROS
$9.09B
| $38.2M | 0.01% |
623,458
-1,661,845
| -73% | -$94.4M |
|
1645
Coeur Mining
CDE
$19.3B
| $38.2M | 0.01% |
2,139,881
+2,080,560
| +3,507% | +$36.2M |
|
1646
CALL
Fidelity National Information Services
FIS
$22.1B
| $38.1M | 0.01% |
573,800
-20,600
| -3% | -$1.36M |
|
1647
Lemonade
LMND
$4.07B
| $38.1M | 0.01% |
535,660
-106,707
| -17% | -$7.17M |
|
1648
PUT
iShares MSCI South Africa ETF
EZA
$560M
| $38.1M | 0.01% |
553,500
+532,700
| +2,561% | +$35.3M |
|
1649
PUT
Insmed
INSM
$27B
| $38.1M | 0.01% |
218,800
+23,900
| +12% | +$4.36M |
|
|
BNY
1650
PUT
Bank of New York Mellon
BNY
$111B
| $38.1M | 0.01% |
327,900
+66,100
| +25% | +$7.31M |
|
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.