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 | |
|---|---|---|---|---|---|---|
2701
APi Group
APG
$19B
| $14.7M | ﹤0.01% |
383,589
+340,164
| +783% | +$12.6M |
|
2702
PUT
Direxion Daily S&P 500 Bear 3x ETF
SPXS
$329M
| $14.7M | ﹤0.01% |
413,610
-443,010
| -52% | -$16.2M |
|
2703
Banner Corp
BANR
$2.52B
| $14.6M | ﹤0.01% |
+233,670
| New | +$14.8M |
|
2704
PUT
Sysco
SYY
$39.7B
| $14.6M | ﹤0.01% |
198,300
+72,700
| +58% | +$5.53M |
|
2705
PUT
Ally Financial
ALLY
$13.7B
| $14.6M | ﹤0.01% |
322,600
-89,900
| -22% | -$3.7M |
|
2706
KBR
KBR
$4.84B
| $14.6M | ﹤0.01% |
362,999
-237,914
| -40% | -$10.2M |
|
2707
PUT
Axsome Therapeutics
AXSM
$11.2B
| $14.6M | ﹤0.01% |
79,800
-26,100
| -25% | -$3.64M |
|
2708
PUT
iRhythm Holdings
IRTC
$4.17B
| $14.6M | ﹤0.01% |
82,100
+59,100
| +257% | +$10.5M |
|
2709
Establishment Labs
ESTA
$2.37B
| $14.5M | ﹤0.01% |
+199,587
| New | +$12.1M |
|
2710
CALL
DaVita
DVA
$11.5B
| $14.5M | ﹤0.01% |
128,000
-27,700
| -18% | -$3.37M |
|
2711
CALL
Listed Funds Trust Roundhill Magnificent Seven ETF
MAGS
$4.19B
| $14.5M | ﹤0.01% |
220,100
-4,600
| -2% | -$304K |
|
2712
Mineralys Therapeutics
MLYS
$2.27B
| $14.5M | ﹤0.01% |
399,919
-1,667,308
| -81% | -$66.9M |
|
2713
Blackbaud
BLKB
$2.05B
| $14.5M | ﹤0.01% |
228,917
+138,045
| +152% | +$8.54M |
|
2714
CALL
Samsara
IOT
$23.2B
| $14.5M | ﹤0.01% |
408,800
-147,200
| -26% | -$5.7M |
|
2715
PUT
Copart
CPRT
$29.3B
| $14.5M | ﹤0.01% |
369,900
-79,900
| -18% | -$3.31M |
|
2716
Navient
NAVI
$860M
| $14.5M | ﹤0.01% |
1,113,611
+258,560
| +30% | +$3.22M |
|
2717
Ferrari
RACE
$72.9B
| $14.5M | ﹤0.01% |
39,118
+14,073
| +56% | +$5.63M |
|
2718
PUT
WEC Energy
WEC
$36B
| $14.4M | ﹤0.01% |
137,000
-383,100
| -74% | -$42.4M |
|
2719
Viasat
VSAT
$11.4B
| $14.4M | ﹤0.01% |
419,212
+411,318
| +5,211% | +$14.5M |
|
2720
Global X Copper Miners ETF NEW
COPX
$7.98B
| $14.4M | ﹤0.01% |
200,774
+145,671
| +264% | +$9.34M |
|
2721
CALL
Globe Life
GL
$14.1B
| $14.4M | ﹤0.01% |
103,000
+50,100
| +95% | +$6.79M |
|
2722
Zillow
Z
$7.82B
| $14.4M | ﹤0.01% |
210,904
-417,084
| -66% | -$30.2M |
|
2723
Carpenter Technology
CRS
$27B
| $14.4M | ﹤0.01% |
45,681
-84,037
| -65% | -$25.3M |
|
|
PPTA
2724
PUT
Perpetua Resources
PPTA
$3.16B
| $14.4M | ﹤0.01% |
594,000
-341,000
| -36% | -$8.39M |
|
2725
Banco Bradesco
BBD
$34.2B
| $14.4M | ﹤0.01% |
4,315,791
+1,170,619
| +37% | +$3.98M |
|
Similar funds
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.