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 | |
|---|---|---|---|---|---|---|
4726
Green Dot
GDOT
$771M
| $3.78M | ﹤0.01% |
294,856
+156,534
| +113% | +$1.94M |
|
|
FAZ
4727
Direxion Daily Financial Bear 3x ETF
FAZ
$84.6M
| $3.78M | ﹤0.01% |
98,278
+10,044
| +11% | +$422K |
|
4728
CALL
Schwab US Large-Cap Growth ETF
SCHG
$62.9B
| $3.77M | ﹤0.01% |
115,700
-57,300
| -33% | -$1.86M |
|
4729
PUT
Lantheus
LNTH
$6.59B
| $3.77M | ﹤0.01% |
56,700
-43,500
| -43% | -$2.53M |
|
4730
CALL
Allegro MicroSystems
ALGM
$8.27B
| $3.77M | ﹤0.01% |
142,900
+15,800
| +12% | +$435K |
|
4731
PUT
Global X Lithium & Battery Tech ETF
LIT
$1.61B
| $3.77M | ﹤0.01% |
58,100
-14,400
| -20% | -$887K |
|
4732
CALL
BorgWarner
BWA
$14B
| $3.77M | ﹤0.01% |
83,600
-3,500
| -4% | -$153K |
|
4733
WisdomTree Europe Hedged Equity Fund
HEDJ
$1.88B
| $3.76M | ﹤0.01% |
70,883
+15,958
| +29% | +$828K |
|
4734
VanEck Oil Services ETF
OIH
$2B
| $3.76M | ﹤0.01% |
13,204
+11,572
| +709% | +$3.24M |
|
|
SGI
4735
Somnigroup International
SGI
$13.9B
| $3.76M | ﹤0.01% |
42,072
-470,427
| -92% | -$41.1M |
|
4736
Pharvaris
PHVS
$2.46B
| $3.75M | ﹤0.01% |
135,069
+5,331
| +4% | +$128K |
|
4737
Dorian LPG
LPG
$2.03B
| $3.75M | ﹤0.01% |
153,911
-229,179
| -60% | -$6.01M |
|
4738
Global Net Lease
GNL
$2.03B
| $3.75M | ﹤0.01% |
435,583
-721,945
| -62% | -$5.79M |
|
4739
PUT
Ivanhoe Electric
IE
$1.66B
| $3.74M | ﹤0.01% |
234,200
+169,000
| +259% | +$2.42M |
|
4740
Fidelity Enhanced International ETF
FENI
$11.4B
| $3.73M | ﹤0.01% |
102,068
-222,446
| -69% | -$7.96M |
|
4741
Kaiser Aluminum
KALU
$2.97B
| $3.73M | ﹤0.01% |
+32,473
| New | +$3.09M |
|
|
PPL
4742
PUT
PPL Corp
PPL
$27.1B
| $3.73M | ﹤0.01% |
106,500
-110,000
| -51% | -$3.97M |
|
4743
PUT
-1x Short VIX Futures ETF
SVIX
$173M
| $3.73M | ﹤0.01% |
153,900
-72,300
| -32% | -$1.48M |
|
4744
Direxion Daily Semiconductor Bear 3X ETF
SOXS
$1.39B
| $3.73M | ﹤0.01% |
5,952
+4,730
| +387% | +$3.47M |
|
4745
Delcath Systems
DCTH
$581M
| $3.73M | ﹤0.01% |
368,865
-80,450
| -18% | -$800K |
|
4746
CALL
Onto Innovation
ONTO
$20.3B
| $3.73M | ﹤0.01% |
23,600
-41,400
| -64% | -$5.88M |
|
4747
CorMedix
CRMD
$588M
| $3.72M | ﹤0.01% |
320,150
-1,396,937
| -81% | -$15.4M |
|
|
HIMX
4748
PUT
Himax Technologies
HIMX
$2.66B
| $3.72M | ﹤0.01% |
454,400
-6,500
| -1% | -$55K |
|
4749
PUT
Nektar Therapeutics
NKTR
$2.49B
| $3.72M | ﹤0.01% |
88,000
-265,728
| -75% | -$14.9M |
|
4750
CALL
Axcelis
ACLS
$4.33B
| $3.72M | ﹤0.01% |
46,300
-43,300
| -48% | -$3.63M |
|
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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.