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 | |
|---|---|---|---|---|---|---|
9651
Sutro Biopharma
STRO
$340M
| $371K | ﹤0.01% |
+32,085
| New | +$304K |
|
9652
CALL
ANI Pharmaceuticals
ANIP
$1.76B
| $371K | ﹤0.01% |
4,700
-1,200
| -20% | -$104K |
|
|
CALY
9653
Callaway Golf Company
CALY
$2.94B
| $371K | ﹤0.01% |
31,772
-571,841
| -95% | -$6.03M |
|
9654
FT Vest US Equity Deep Buffer ETF December
DDEC
$436M
| $371K | ﹤0.01% |
+8,222
| New | +$364K |
|
9655
CALL
Kadant
KAI
$3.95B
| $371K | ﹤0.01% |
+1,300
| New | +$369K |
|
|
ZBIO
9656
CALL
Zenas BioPharma
ZBIO
$1.92B
| $370K | ﹤0.01% |
+10,200
| New | +$335K |
|
9657
PUT
UNIFI
UFI
$120M
| $370K | ﹤0.01% |
+105,800
| New | +$409K |
|
9658
PUT
Diodes
DIOD
$4.77B
| $370K | ﹤0.01% |
7,500
+400
| +6% | +$20.2K |
|
|
SLON
9659
CALL
ProShares Ultra Solana ETF
SLON
$16.5M
| $370K | ﹤0.01% |
5,260
+180
| +4% | +$25.7K |
|
9660
PUT
Phinia Inc
PHIN
$2.73B
| $370K | ﹤0.01% |
5,900
+1,000
| +20% | +$55.3K |
|
9661
JPMorgan BetaBuilders Japan ETF
BBJP
$19.1B
| $370K | ﹤0.01% |
5,610
-1,025,647
| -99% | -$69.8M |
|
|
PLTW
9662
PUT
Roundhill PLTR WeeklyPay ETF
PLTW
$144M
| $370K | ﹤0.01% |
9,900
-12,100
| -55% | -$516K |
|
|
PCMM
9663
BondBloxx Private Credit CLO ETF
PCMM
$197M
| $369K | ﹤0.01% |
7,372
+438
| +6% | +$22K |
|
9664
CALL
iShares Core S&P US Value ETF
IUSV
$28B
| $369K | ﹤0.01% |
+3,600
| New | +$365K |
|
9665
PUT
Graphic Packaging
GPK
$3.38B
| $369K | ﹤0.01% |
24,500
-3,400
| -12% | -$55.9K |
|
9666
PUT
Direxion Daily Utilities Bull 3X ETF
UTSL
$39.7M
| $369K | ﹤0.01% |
9,100
-4,100
| -31% | -$186K |
|
9667
CALL
Perma-Fix Environmental Services
PESI
$369M
| $369K | ﹤0.01% |
29,300
+14,400
| +97% | +$184K |
|
|
AFCG
9668
AFC Gamma
AFCG
$72.1M
| $369K | ﹤0.01% |
+129,371
| New | +$411K |
|
9669
CALL
Brady Corp
BRC
$4.44B
| $368K | ﹤0.01% |
4,700
+200
| +4% | +$15.5K |
|
9670
Jakks Pacific
JAKK
$294M
| $368K | ﹤0.01% |
21,806
+5,623
| +35% | +$97.4K |
|
9671
Mercer International
MERC
$31.6M
| $368K | ﹤0.01% |
185,885
-175,567
| -49% | -$370K |
|
|
RENT
9672
Rent the Runway
RENT
$119M
| $368K | ﹤0.01% |
+46,527
| New | +$251K |
|
|
GOLD
9673
PUT
Gold.com Inc
GOLD
$1.28B
| $368K | ﹤0.01% |
10,800
-11,700
| -52% | -$334K |
|
9674
Custom Truck One Source
CTOS
$2.4B
| $368K | ﹤0.01% |
63,807
-363,195
| -85% | -$2.22M |
|
9675
CALL
Invivyd
IVVD
$212M
| $367K | ﹤0.01% |
148,700
+100,800
| +210% | +$210K |
|
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.