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 | |
|---|---|---|---|---|---|---|
2301
PUT
STMicroelectronics
STM
$48.5B
| $20.2M | ﹤0.01% |
779,100
+295,800
| +61% | +$7.59M |
|
2302
PUT
AstraZeneca
AZN
$243B
| $20.2M | ﹤0.01% |
109,900
+1,700
| +2% | +$298K |
|
2303
ZTO Express
ZTO
$17.4B
| $20.2M | ﹤0.01% |
966,784
+944,585
| +4,255% | +$18.7M |
|
2304
PUT
Petrobras
PBR
$115B
| $20.2M | ﹤0.01% |
1,703,300
+314,800
| +23% | +$3.84M |
|
2305
CALL
ProShares Ultra VIX Short-Term Futures ETF
UVXY
$273M
| $20.2M | ﹤0.01% |
561,356
+335,340
| +148% | +$16.8M |
|
2306
PUT
Simon Property Group
SPG
$71B
| $20.2M | ﹤0.01% |
108,900
+11,000
| +11% | +$2M |
|
2307
CALL
US Bancorp
USB
$102B
| $20.1M | ﹤0.01% |
377,300
-585,400
| -61% | -$28.8M |
|
2308
PUT
PBF Energy
PBF
$8.52B
| $20.1M | ﹤0.01% |
741,100
-55,000
| -7% | -$1.76M |
|
2309
American Homes 4 Rent
AMH
$12.3B
| $20.1M | ﹤0.01% |
625,848
+277,485
| +80% | +$8.89M |
|
|
RAPT
2310
DELISTED
RAPT Therapeutics
RAPT
| $20M | ﹤0.01% |
591,802
+576,272
| +3,711% | +$17.9M |
|
2311
ProShares UltraPro Dow 30
UDOW
$924M
| $20M | ﹤0.01% |
345,743
-76,485
| -18% | -$4.28M |
|
|
OMDA
2312
Omada Health Inc
OMDA
$1.46B
| $20M | ﹤0.01% |
1,268,640
+1,245,277
| +5,330% | +$25.3M |
|
|
SUNC
2313
SunocoCorp LLC
SUNC
$3.93B
| $20M | ﹤0.01% |
+406,229
| New | +$20.5M |
|
|
CFLT
2314
CALL
DELISTED
Confluent
CFLT
| $20M | ﹤0.01% |
661,800
-727,900
| -52% | -$17.9M |
|
2315
PUT
ArcelorMittal
MT
$55.7B
| $20M | ﹤0.01% |
439,100
+173,600
| +65% | +$7.14M |
|
2316
Lithia Motors
LAD
$8.3B
| $20M | ﹤0.01% |
60,152
+56,573
| +1,581% | +$18M |
|
2317
FNB Corp
FNB
$6.93B
| $20M | ﹤0.01% |
1,168,550
-1,551,229
| -57% | -$25.4M |
|
2318
Western Union
WU
$2.32B
| $20M | ﹤0.01% |
2,143,453
-3,553,671
| -62% | -$31.4M |
|
2319
PUT
TransDigm Group
TDG
$69.5B
| $19.9M | ﹤0.01% |
15,000
-19,400
| -56% | -$25.4M |
|
2320
CALL
Synchrony
SYF
$26.4B
| $19.9M | ﹤0.01% |
239,000
+69,300
| +41% | +$5.3M |
|
2321
Murphy Oil
MUR
$4.96B
| $19.9M | ﹤0.01% |
637,331
+564,065
| +770% | +$17M |
|
2322
Oric Pharmaceuticals
ORIC
$1.44B
| $19.9M | ﹤0.01% |
2,434,710
+1,236,706
| +103% | +$14.2M |
|
|
PSKY
2323
Paramount Skydance Corp
PSKY
$11.4B
| $19.9M | ﹤0.01% |
1,484,416
+1,420,686
| +2,229% | +$22.2M |
|
2324
Iridium Communications
IRDM
$5.32B
| $19.8M | ﹤0.01% |
1,140,215
-509,628
| -31% | -$9.01M |
|
2325
PUT
Teck Resources
TECK
$31.2B
| $19.8M | ﹤0.01% |
413,400
-204,700
| -33% | -$8.87M |
|
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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.