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 | |
|---|---|---|---|---|---|---|
6851
PUT
UDR
UDR
$12B
| $1.27M | ﹤0.01% |
34,500
-8,000
| -19% | -$285K |
|
6852
PUT
NeoGenomics
NEO
$2.03B
| $1.27M | ﹤0.01% |
107,600
-147,600
| -58% | -$1.59M |
|
6853
PUT
FreightCar America
RAIL
$236M
| $1.27M | ﹤0.01% |
114,300
+72,200
| +171% | +$663K |
|
6854
CALL
IDEAYA Biosciences
IDYA
$3.6B
| $1.27M | ﹤0.01% |
36,600
+20,300
| +125% | +$647K |
|
6855
Brookstone Intermediate Bond ETF
BAMB
$57.4M
| $1.26M | ﹤0.01% |
47,916
+10,692
| +29% | +$285K |
|
|
VGUS
6856
Vanguard Ultra-Short Treasury ETF
VGUS
$1.03B
| $1.26M | ﹤0.01% |
16,731
+2,349
| +16% | +$177K |
|
6857
PUT
Perrigo
PRGO
$1.8B
| $1.26M | ﹤0.01% |
90,700
+49,900
| +122% | +$832K |
|
6858
Phreesia
PHR
$710M
| $1.26M | ﹤0.01% |
74,601
+36,080
| +94% | +$744K |
|
6859
CALL
iShares 10+ Year Investment Grade Corporate Bond ETF
IGLB
$2.76B
| $1.26M | ﹤0.01% |
25,000
-9,700
| -28% | -$497K |
|
6860
ALPS Active Equity Opportunity ETF
RFFC
$32.6M
| $1.26M | ﹤0.01% |
+18,798
| New | +$1.24M |
|
6861
CALL
iShares Global Comm Services ETF
IXP
$499M
| $1.26M | ﹤0.01% |
+10,400
| New | +$1.27M |
|
6862
CALL
Vaxcyte
PCVX
$8.9B
| $1.26M | ﹤0.01% |
27,300
-3,100
| -10% | -$139K |
|
|
AAUC
6863
Allied Gold Corp
AAUC
$2.91B
| $1.26M | ﹤0.01% |
55,049
+35,474
| +181% | +$683K |
|
6864
CastleArk Large Growth ETF
CARK
$341M
| $1.26M | ﹤0.01% |
28,569
+16,087
| +129% | +$708K |
|
6865
CALL
Belden
BDC
$5.08B
| $1.26M | ﹤0.01% |
10,800
+8,100
| +300% | +$945K |
|
|
SIOO
6866
VistaShares Target 15 S&P 100 Distribution ETF
SIOO
$19.4M
| $1.26M | ﹤0.01% |
+63,144
| New | +$1.26M |
|
|
APPX
6867
PUT
Tradr 2X Long APP Daily ETF
APPX
$90M
| $1.26M | ﹤0.01% |
11,833
-10,967
| -48% | -$1.16M |
|
6868
Eton Pharmaceutcials
ETON
$1.77B
| $1.25M | ﹤0.01% |
+74,144
| New | +$1.3M |
|
6869
CALL
Clearfield
CLFD
$379M
| $1.25M | ﹤0.01% |
43,000
-10,800
| -20% | -$347K |
|
6870
Procure Space ETF
UFO
$620M
| $1.25M | ﹤0.01% |
+32,409
| New | +$1.19M |
|
6871
CALL
iQIYI
IQ
$1.18B
| $1.25M | ﹤0.01% |
651,700
-276,600
| -30% | -$592K |
|
6872
CALL
Liberty Media Series C
FWONK
$25.7B
| $1.25M | ﹤0.01% |
12,700
+3,000
| +31% | +$294K |
|
|
WAY
6873
CALL
Waystar Holding Corp
WAY
$4.69B
| $1.25M | ﹤0.01% |
38,200
+30,900
| +423% | +$1.1M |
|
6874
PUT
Kaspi.kz JSC
KSPI
$18.6B
| $1.25M | ﹤0.01% |
16,000
+11,400
| +248% | +$862K |
|
|
ORLA
6875
CALL
DELISTED
Orla Mining
ORLA
| $1.25M | ﹤0.01% |
92,800
+40,600
| +78% | +$493K |
|
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.