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 | |
|---|---|---|---|---|---|---|
6676
PUT
Direxion Daily Aerospace & Defense Bull 3X ETF
DFEN
$427M
| $1.37M | ﹤0.01% |
21,500
-28,800
| -57% | -$1.89M |
|
|
MNTN
6677
PUT
MNTN Inc
MNTN
$985M
| $1.37M | ﹤0.01% |
115,000
+38,500
| +50% | +$554K |
|
|
CMRC
6678
Commerce.com Inc Series 1
CMRC
$172M
| $1.37M | ﹤0.01% |
333,262
-216,980
| -39% | -$1,000K |
|
|
UNIT
6679
PUT
Uniti Group
UNIT
$2.4B
| $1.37M | ﹤0.01% |
195,800
+123,920
| +172% | +$785K |
|
6680
CALL
Amplitude
AMPL
$1.58B
| $1.37M | ﹤0.01% |
118,500
-7,200
| -6% | -$75.7K |
|
6681
CALL
Webster Financial
WBS
$12.6B
| $1.37M | ﹤0.01% |
21,800
-76,900
| -78% | -$4.57M |
|
6682
PUT
NCR Atleos
NATL
$3.42B
| $1.37M | ﹤0.01% |
36,000
-4,100
| -10% | -$154K |
|
6683
WD-40
WDFC
$3.12B
| $1.37M | ﹤0.01% |
6,965
-13,458
| -66% | -$2.65M |
|
6684
CALL
OppFi
OPFI
$602M
| $1.37M | ﹤0.01% |
131,100
-270,500
| -67% | -$2.74M |
|
6685
PUT
Nordson
NDSN
$17B
| $1.37M | ﹤0.01% |
5,700
-5,700
| -50% | -$1.34M |
|
6686
ProShares UltraShort Yen
YCS
$30.1M
| $1.37M | ﹤0.01% |
26,909
-49,254
| -65% | -$2.4M |
|
6687
PUT
2x Long VIX Futures ETF
UVIX
$215M
| $1.37M | ﹤0.01% |
11,973
-14,727
| -55% | -$2.7M |
|
6688
CALL
Agios Pharmaceuticals
AGIO
$2.07B
| $1.37M | ﹤0.01% |
50,200
-24,100
| -32% | -$846K |
|
6689
CALL
Mueller Industries
MLI
$14.2B
| $1.37M | ﹤0.01% |
23,800
+8,800
| +59% | +$473K |
|
|
TRTX
6690
TPG RE Finance Trust
TRTX
$605M
| $1.36M | ﹤0.01% |
+158,484
| New | +$1.41M |
|
6691
iShares Core Dividend ETF
DIVB
$1.85B
| $1.36M | ﹤0.01% |
25,660
-16,732
| -39% | -$878K |
|
6692
PGIM Active Aggregate Bond ETF
PAB
$74.7M
| $1.36M | ﹤0.01% |
31,869
-9,566
| -23% | -$411K |
|
|
UPSX
6693
CALL
Tradr 2X Long UPST Daily ETF
UPSX
$20.8M
| $1.36M | ﹤0.01% |
27,520
+23,720
| +624% | +$1.43M |
|
6694
CALL
National Fuel Gas
NFG
$7.99B
| $1.36M | ﹤0.01% |
17,000
-8,000
| -32% | -$659K |
|
6695
T. Rowe Price US Equity Research ETF
TSPA
$4.45B
| $1.36M | ﹤0.01% |
31,812
+5,902
| +23% | +$251K |
|
6696
PUT
Wyndham Hotels & Resorts
WH
$5.45B
| $1.36M | ﹤0.01% |
18,000
-9,100
| -34% | -$686K |
|
|
SJT
6697
San Juan Basin Royalty Trust
SJT
$131M
| $1.36M | ﹤0.01% |
241,775
+165,673
| +218% | +$959K |
|
|
APLX
6698
PUT
Tradr 2X Long APLD Daily ETF
APLX
$49.3M
| $1.36M | ﹤0.01% |
80,100
+63,900
| +394% | +$1.86M |
|
|
CLDT
6699
Chatham Lodging
CLDT
$608M
| $1.36M | ﹤0.01% |
199,369
+97,709
| +96% | +$648K |
|
6700
Invesco BulletShares 2032 Corporate Bond ETF
BSCW
$1.52B
| $1.36M | ﹤0.01% |
65,039
+12,845
| +25% | +$269K |
|
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.