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 | |
|---|---|---|---|---|---|---|
|
FATN
11876
FatPipe Inc
FATN
$88M
| $63.2K | ﹤0.01% |
+31,294
| New | +$112K |
|
11877
InflaRx
IFRX
$301M
| $63.2K | ﹤0.01% |
62,586
-40,365
| -39% | -$50.1K |
|
|
HODO
11878
House of Doge
HODO
$40.6M
| $63.2K | ﹤0.01% |
+19,746
| New | +$164K |
|
11879
Willamette Valley Vineyards
WVVI
$11.5M
| $63.1K | ﹤0.01% |
+20,694
| New | +$64.6K |
|
|
BGIN
11880
Bgin Blockchain
BGIN
$232M
| $63K | ﹤0.01% |
+25,114
| New | +$83.5K |
|
11881
CALL
Unicycive Therapeutics
UNCY
$153M
| $62.9K | ﹤0.01% |
+10,900
| New | +$58.2K |
|
|
OCCI
11882
OFS Credit Co
OCCI
$73.7M
| $62.5K | ﹤0.01% |
+12,914
| New | +$63.3K |
|
|
PPT
11883
Franklin Premier Income Trust
PPT
$331M
| $62.5K | ﹤0.01% |
+17,644
| New | +$63.7K |
|
11884
CALL
Neumora Therapeutics
NMRA
$301M
| $62.3K | ﹤0.01% |
34,800
-66,500
| -66% | -$146K |
|
11885
CEL-SCI Corp
CVM
$26.9M
| $62.1K | ﹤0.01% |
+11,806
| New | +$86.7K |
|
11886
E-Power Inc
EPOW
$20.6M
| $61.9K | ﹤0.01% |
+63,175
| New | +$71.7K |
|
11887
OptimumBank Holdings
OPHC
$124M
| $61.9K | ﹤0.01% |
+14,566
| New | +$60.1K |
|
11888
Ispire Technology
ISPR
$89M
| $61.8K | ﹤0.01% |
22,054
+5,938
| +37% | +$13.8K |
|
11889
CALL
Tilly's
TLYS
$122M
| $61.7K | ﹤0.01% |
31,000
+2,700
| +10% | +$4.42K |
|
11890
PUT
Real Brokerage
REAX
$523M
| $61.7K | ﹤0.01% |
16,900
-6,000
| -26% | -$23.2K |
|
11891
CALL
BARK
BARK
$91.4M
| $61.5K | ﹤0.01% |
5,105
+1,680
| +49% | +$24.9K |
|
11892
Cosmos Holdings
COSM
$13.5M
| $61.3K | ﹤0.01% |
123,156
-102,351
| -45% | -$76.2K |
|
11893
Lucid Diagnostics
LUCD
$197M
| $61.3K | ﹤0.01% |
+56,210
| New | +$62.8K |
|
11894
PUT
Ocugen
OCGN
$458M
| $61.2K | ﹤0.01% |
45,300
-38,500
| -46% | -$54.8K |
|
|
HYPD
11895
Hyperion DeFi Inc
HYPD
$41.2M
| $60.6K | ﹤0.01% |
+17,025
| New | +$97.2K |
|
|
VIVO
11896
PUT
VivoPower PLC
VIVO
$150M
| $60.5K | ﹤0.01% |
26,700
-3,600
| -12% | -$12.4K |
|
11897
Versus Systems
VS
$8.76M
| $60.4K | ﹤0.01% |
49,537
+19,684
| +66% | +$32.6K |
|
|
INCR
11898
Intercure
INCR
$58.6M
| $60.3K | ﹤0.01% |
66,253
+53,478
| +419% | +$74.4K |
|
11899
Beam Global
BEEM
$25.1M
| $60K | ﹤0.01% |
+40,026
| New | +$92K |
|
|
BHR
11900
PUT
Braemar Hotels & Resorts
BHR
$139M
| $60K | ﹤0.01% |
+20,900
| New | +$56.3K |
|
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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.