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 | |
|---|---|---|---|---|---|---|
3501
Kodak
KODK
$979M
| $8.12M | ﹤0.01% |
959,976
+223,091
| +30% | +$1.67M |
|
3502
CALL
Floor & Decor
FND
$6.24B
| $8.12M | ﹤0.01% |
133,300
-1,000
| -0.7% | -$64.8K |
|
3503
PUT
Ovintiv
OVV
$17.4B
| $8.12M | ﹤0.01% |
207,100
+110,300
| +114% | +$4.28M |
|
|
FYBR
3504
PUT
DELISTED
Frontier Communications
FYBR
| $8.11M | ﹤0.01% |
213,100
+12,300
| +6% | +$465K |
|
3505
CALL
Equinor
EQNR
$96.8B
| $8.11M | ﹤0.01% |
343,100
+81,600
| +31% | +$1.92M |
|
|
SFD
3506
Smithfield Foods
SFD
$8.96B
| $8.1M | ﹤0.01% |
362,838
-981,116
| -73% | -$21.6M |
|
|
CNR
3507
PUT
Core Natural Resources Inc
CNR
$4.76B
| $8.1M | ﹤0.01% |
91,500
-632
| -0.7% | -$53.9K |
|
3508
CALL
Recursion Pharmaceuticals
RXRX
$1.69B
| $8.09M | ﹤0.01% |
1,978,800
+35,700
| +2% | +$177K |
|
3509
PUT
Molson Coors Class B
TAP
$7.97B
| $8.09M | ﹤0.01% |
173,300
-140,400
| -45% | -$6.48M |
|
3510
CALL
TripAdvisor
TRIP
$1.26B
| $8.09M | ﹤0.01% |
555,500
-77,500
| -12% | -$1.18M |
|
3511
PUT
Cedar Fair
FUN
$1.68B
| $8.09M | ﹤0.01% |
527,144
+300,654
| +133% | +$5.44M |
|
3512
PUT
Direxion Daily AMZN Bull 2X ETF
AMZU
$309M
| $8.07M | ﹤0.01% |
230,900
-247,100
| -52% | -$8.99M |
|
3513
CALL
Direxion Daily FTSE China Bear 3X ETF
YANG
$99.1M
| $8.06M | ﹤0.01% |
320,640
-173,065
| -35% | -$4.06M |
|
3514
PUT
Crown Holdings
CCK
$12.9B
| $8.05M | ﹤0.01% |
78,200
+58,500
| +297% | +$5.7M |
|
|
3515
PUT
Recursion Pharmaceuticals
RXRX
$1.69B
| $8.04M | ﹤0.01% |
1,965,600
+875,400
| +80% | +$4.34M |
|
|
FIGR
3516
CALL
Figure Technology Solutions
FIGR
$7.03B
| $8.04M | ﹤0.01% |
196,800
+82,500
| +72% | +$3.3M |
|
3517
Varonis Systems
VRNS
$5.17B
| $8.03M | ﹤0.01% |
+244,789
| New | +$10.3M |
|
3518
Arlo Technologies
ARLO
$1.54B
| $8.03M | ﹤0.01% |
573,656
+464,597
| +426% | +$7.31M |
|
3519
PUT
State Street SPDR Portfolio S&P 500 Growth ETF
SPYG
$55.3B
| $8.02M | ﹤0.01% |
75,200
+21,400
| +40% | +$2.27M |
|
3520
Manulife Financial
MFC
$73.8B
| $8.01M | ﹤0.01% |
220,721
-267,004
| -55% | -$9.06M |
|
3521
CALL
iShares Core S&P Mid-Cap ETF
IJH
$129B
| $8.01M | ﹤0.01% |
121,300
+5,600
| +5% | +$367K |
|
3522
nCino
NCNO
$2.28B
| $8.01M | ﹤0.01% |
312,211
+16,869
| +6% | +$428K |
|
3523
PUT
FMC
FMC
$1.27B
| $8M | ﹤0.01% |
577,000
-84,900
| -13% | -$1.62M |
|
3524
Teleflex
TFX
$5.81B
| $8M | ﹤0.01% |
65,562
-127,851
| -66% | -$15.5M |
|
3525
CALL
Western Alliance Bancorporation
WAL
$8.98B
| $7.99M | ﹤0.01% |
95,000
+13,200
| +16% | +$1.07M |
|
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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.