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 | |
|---|---|---|---|---|---|---|
5701
CALL
Patterson-UTI
PTEN
$4.66B
| $2.19M | ﹤0.01% |
357,800
+223,200
| +166% | +$1.33M |
|
5702
Methode Electronics
MEI
$642M
| $2.19M | ﹤0.01% |
329,092
+228,066
| +226% | +$1.62M |
|
5703
Franklin Short Duration US Government ETF
FTSD
$315M
| $2.18M | ﹤0.01% |
24,007
-23,743
| -50% | -$2.16M |
|
5704
Gossamer Bio
GOSS
$68.4M
| $2.18M | ﹤0.01% |
704,787
-1,579,429
| -69% | -$4.51M |
|
5705
CALL
UWM Holdings
UWMC
$2.39B
| $2.18M | ﹤0.01% |
497,700
+111,400
| +29% | +$599K |
|
5706
CALL
Liberty Energy
LBRT
$3.63B
| $2.17M | ﹤0.01% |
117,800
+33,000
| +39% | +$551K |
|
5707
CALL
Upwork
UPWK
$1.02B
| $2.17M | ﹤0.01% |
109,700
-64,100
| -37% | -$1.18M |
|
5708
Capital Group Growth ETF
CGGR
$25.1B
| $2.17M | ﹤0.01% |
48,875
-195,451
| -80% | -$8.63M |
|
5709
ACI Worldwide
ACIW
$5.26B
| $2.17M | ﹤0.01% |
45,425
-79,398
| -64% | -$3.85M |
|
5710
CVRx
CVRX
$73.3M
| $2.17M | ﹤0.01% |
305,503
+259,450
| +563% | +$2.37M |
|
5711
PUT
Ventas
VTR
$46.8B
| $2.17M | ﹤0.01% |
28,000
-23,100
| -45% | -$1.74M |
|
5712
First Trust Exchange-Traded Fund IV First Trust Tactical High Yield ETF
HYLS
$1.64B
| $2.16M | ﹤0.01% |
+51,684
| New | +$2.16M |
|
5713
CALL
Solventum
SOLV
$14.8B
| $2.16M | ﹤0.01% |
27,300
-105,375
| -79% | -$8.07M |
|
5714
CALL
Mineralys Therapeutics
MLYS
$2.3B
| $2.16M | ﹤0.01% |
59,600
+27,800
| +87% | +$1.11M |
|
5715
PUT
Dycom Industries
DY
$13B
| $2.16M | ﹤0.01% |
6,400
+2,600
| +68% | +$820K |
|
|
MH
5716
McGraw Hill
MH
$2.44B
| $2.16M | ﹤0.01% |
131,052
-499,329
| -79% | -$7.25M |
|
5717
CALL
GlobalFoundries
GFS
$29.3B
| $2.16M | ﹤0.01% |
61,900
+14,000
| +29% | +$498K |
|
|
BMNU
5718
PUT
T-REX 2X Long BMNR Daily Target ETF
BMNU
$249M
| $2.16M | ﹤0.01% |
+45,200
| New | +$6.91M |
|
5719
Vanguard Tax-Exempt Bond Index Fund
VTEB
$45.8B
| $2.16M | ﹤0.01% |
42,941
-263,402
| -86% | -$13.3M |
|
5720
Invesco CurrencyShares Euro Currency Trust
FXE
$342M
| $2.16M | ﹤0.01% |
19,908
-28,666
| -59% | -$3.08M |
|
5721
Hartford Multifactor Emerging Markets ETF
ROAM
$112M
| $2.16M | ﹤0.01% |
74,044
+45,442
| +159% | +$1.31M |
|
5722
Alpha and Omega Semiconductor
AOSL
$940M
| $2.16M | ﹤0.01% |
+108,818
| New | +$2.57M |
|
5723
PUT
Old Republic International
ORI
$10.3B
| $2.15M | ﹤0.01% |
47,200
-4,300
| -8% | -$187K |
|
5724
ClearShares Ultra-Short Maturity ETF
OPER
$115M
| $2.15M | ﹤0.01% |
21,535
-13,273
| -38% | -$1.33M |
|
5725
Clean Energy Fuels
CLNE
$366M
| $2.15M | ﹤0.01% |
1,025,444
-317,193
| -24% | -$776K |
|
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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.