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 | |
|---|---|---|---|---|---|---|
|
PPSI
11901
PUT
Pioneer Power Solutions
PPSI
$32.3M
| $59.6K | ﹤0.01% |
+12,600
| New | +$52.8K |
|
11902
CALL
Conduent
CNDT
$236M
| $59.5K | ﹤0.01% |
31,000
-27,100
| -47% | -$59.4K |
|
11903
CALL
Direxion Daily S&P 500 High Beta Bear 3X ETF
HIBS
$17.4M
| $59.5K | ﹤0.01% |
1,180
-930
| -44% | -$52.7K |
|
11904
CALL
Sensus Healthcare
SRTS
$47.1M
| $59.3K | ﹤0.01% |
14,900
-3,800
| -20% | -$14.1K |
|
|
INTZ
11905
Intrusion
INTZ
$16.4M
| $59.1K | ﹤0.01% |
+51,401
| New | +$81K |
|
11906
CALL
Ampco-Pittsburgh
AP
$194M
| $58.6K | ﹤0.01% |
+11,000
| New | +$30.4K |
|
11907
Envoy Medical
COCH
$61.8M
| $58.5K | ﹤0.01% |
+88,440
| New | +$70K |
|
11908
CALL
Expensify
EXFY
$210M
| $58.4K | ﹤0.01% |
38,700
-9,800
| -20% | -$15.5K |
|
11909
CALL
CPS Technologies
CPSH
$83.6M
| $58.4K | ﹤0.01% |
18,900
+8,500
| +82% | +$30.1K |
|
|
TDAY
11910
PUT
USA Today Co
TDAY
$1.03B
| $58.2K | ﹤0.01% |
11,300
-15,500
| -58% | -$72.8K |
|
|
UCL
11911
uCloudlink Group
UCL
$27.8M
| $58.2K | ﹤0.01% |
34,847
-33,464
| -49% | -$70.1K |
|
|
INV
11912
CALL
Innventure Inc
INV
$136M
| $58.1K | ﹤0.01% |
+13,900
| New | +$58.4K |
|
|
OGG
11913
PUT
Osisko Gold Group
OGG
$872M
| $57.9K | ﹤0.01% |
+16,600
| New | +$57K |
|
|
CRWU
11914
CALL
T-REX 2X Long CRWV Daily Target ETF
CRWU
$47.1M
| $57.8K | ﹤0.01% |
11,500
-2,600
| -18% | -$35.7K |
|
11915
CALL
Wrap Technologies
WRAP
$105M
| $57.8K | ﹤0.01% |
24,300
-21,200
| -47% | -$51.1K |
|
11916
Bridger Aerospace
BAER
$73.5M
| $57.8K | ﹤0.01% |
+31,601
| New | +$55.2K |
|
11917
CALL
Aemetis
AMTX
$128M
| $57.8K | ﹤0.01% |
41,600
+7,800
| +23% | +$15.7K |
|
11918
CALL
Goldgroup Mining
GORO
$207M
| $57.5K | ﹤0.01% |
69,500
-7,900
| -10% | -$6.3K |
|
|
AACG
11919
ATA Creativity
AACG
$41.5M
| $57.4K | ﹤0.01% |
71,785
-12,070
| -14% | -$13.8K |
|
|
API
11920
PUT
Agora
API
$392M
| $57.4K | ﹤0.01% |
+14,100
| New | +$51.8K |
|
11921
PUT
Wheels Up
UP
$182M
| $57.4K | ﹤0.01% |
4,370
-9,430
| -68% | -$215K |
|
11922
IT Tech Packaging
ITP
$2.91M
| $57.2K | ﹤0.01% |
+261,514
| New | +$64.6K |
|
|
NXTS
11923
Nexentis Technologies
NXTS
$2.78M
| $57.1K | ﹤0.01% |
+4,885
| New | +$110K |
|
|
BSIN
11924
Big Sky Industrial
BSIN
$75.1M
| $57.1K | ﹤0.01% |
61,817
+39,444
| +176% | +$42.6K |
|
11925
PUT
Spruce Power Holding Corp
SPRU
$35.4M
| $57K | ﹤0.01% |
+11,200
| New | +$45.4K |
|
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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.