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 | |
|---|---|---|---|---|---|---|
9426
VanEck Mortgage REIT Income ETF
MORT
$375M
| $414K | ﹤0.01% |
+39,405
| New | +$416K |
|
|
BDBT
9427
Bluemonte Core Bond ETF
BDBT
$483M
| $414K | ﹤0.01% |
+16,289
| New | +$417K |
|
|
BCAX
9428
PUT
Bicara Therapeutics
BCAX
$1.61B
| $414K | ﹤0.01% |
+24,600
| New | +$420K |
|
9429
PUT
Alpha Pro Tech
APT
$55.4M
| $414K | ﹤0.01% |
93,200
-22,600
| -20% | -$104K |
|
9430
GrowGeneration
GRWG
$104M
| $414K | ﹤0.01% |
275,668
-39,294
| -12% | -$64.5K |
|
|
GLDG
9431
GoldMining Inc
GLDG
$226M
| $413K | ﹤0.01% |
+330,677
| New | +$461K |
|
9432
PUT
TaskUs
TASK
$688M
| $413K | ﹤0.01% |
35,000
+16,000
| +84% | +$204K |
|
9433
Global X Autonomous & Electric Vehicles ETF
DRIV
$398M
| $413K | ﹤0.01% |
13,948
-13,927
| -50% | -$411K |
|
9434
CALL
Power Integrations
POWI
$3.51B
| $412K | ﹤0.01% |
+11,600
| New | +$440K |
|
9435
CALL
1-800-Flowers.com
FLWS
$262M
| $412K | ﹤0.01% |
104,900
-39,000
| -27% | -$153K |
|
|
CAN
9436
PUT
Canaan Creative
CAN
$171M
| $412K | ﹤0.01% |
597,400
+222,600
| +59% | +$255K |
|
9437
Strive FAANG 2.0 ETF
FTWO
$76.6M
| $412K | ﹤0.01% |
+10,141
| New | +$405K |
|
|
RSVR
9438
PUT
Reservoir Media
RSVR
$657M
| $412K | ﹤0.01% |
54,400
-64,900
| -54% | -$486K |
|
9439
PUT
Insteel Industries
IIIN
$631M
| $412K | ﹤0.01% |
+13,000
| New | +$424K |
|
9440
CALL
Allison Transmission
ALSN
$10.4B
| $411K | ﹤0.01% |
4,200
-9,900
| -70% | -$868K |
|
9441
CALL
Vanguard California Tax-Exempt Bond ETF
VTEC
$3.1B
| $411K | ﹤0.01% |
+4,100
| New | +$411K |
|
9442
SelectQuote
SLQT
$129M
| $411K | ﹤0.01% |
291,422
-130,506
| -31% | -$218K |
|
9443
CALL
i3 Verticals
IIIV
$294M
| $411K | ﹤0.01% |
+16,300
| New | +$459K |
|
9444
PUT
REX American Resources
REX
$1.47B
| $410K | ﹤0.01% |
12,700
-200
| -2% | -$6.51K |
|
9445
LG Display
LPL
$3.5B
| $410K | ﹤0.01% |
97,480
-99,181
| -50% | -$463K |
|
9446
KraneShares MSCI All China Health Care Index ETF
KURE
$106M
| $410K | ﹤0.01% |
24,072
-11,474
| -32% | -$219K |
|
9447
PUT
State Street SPDR S&P Aerospace & Defense ETF
XAR
$6.72B
| $410K | ﹤0.01% |
1,700
-600
| -26% | -$143K |
|
|
SNBR
9448
DELISTED
Sleep Number
SNBR
| $410K | ﹤0.01% |
48,462
-113,537
| -70% | -$718K |
|
9449
CALL
New York Times
NYT
$10.4B
| $410K | ﹤0.01% |
5,900
-36,600
| -86% | -$2.27M |
|
9450
LivaNova
LIVN
$4.53B
| $409K | ﹤0.01% |
6,651
-65,004
| -91% | -$3.71M |
|
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.