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 | |
|---|---|---|---|---|---|---|
9076
PUT
iShares JPMorgan USD Emerging Markets Bond ETF
EMB
$14.8B
| $481K | ﹤0.01% |
5,000
+900
| +22% | +$86.5K |
|
9077
CALL
Gladstone Capital
GLAD
$443M
| $481K | ﹤0.01% |
23,300
+11,100
| +91% | +$225K |
|
9078
CALL
Stem
STEM
$59.8M
| $481K | ﹤0.01% |
31,970
-7,080
| -18% | -$136K |
|
|
CHCT
9079
CALL
Community Healthcare Trust
CHCT
$427M
| $481K | ﹤0.01% |
29,300
+11,700
| +66% | +$175K |
|
|
CBL
9080
CALL
CBL Properties
CBL
$1.79B
| $481K | ﹤0.01% |
13,000
+2,100
| +19% | +$68.5K |
|
9081
Crescent Capital BDC
CCAP
$402M
| $481K | ﹤0.01% |
+34,215
| New | +$486K |
|
9082
Barnes & Noble Education
BNED
$409M
| $481K | ﹤0.01% |
52,308
+36,020
| +221% | +$318K |
|
9083
CALL
Everspin Technologies
MRAM
$469M
| $481K | ﹤0.01% |
51,800
+3,400
| +7% | +$32.3K |
|
9084
PUT
Milestone Pharmaceuticals
MIST
$134M
| $480K | ﹤0.01% |
237,800
+175,200
| +280% | +$377K |
|
9085
PUT
Cambria Tail Risk ETF
TAIL
$148M
| $480K | ﹤0.01% |
+41,800
| New | +$494K |
|
9086
GCM Grosvenor
GCMG
$2.79B
| $480K | ﹤0.01% |
42,380
-2,993
| -7% | -$34.2K |
|
9087
AdvisorShares Insider Advantage ETF
SURE
$58.1M
| $480K | ﹤0.01% |
+3,764
| New | +$469K |
|
9088
CALL
Timken Company
TKR
$9.29B
| $480K | ﹤0.01% |
5,700
-20,900
| -79% | -$1.66M |
|
9089
Pearson
PSO
$9.72B
| $480K | ﹤0.01% |
34,153
-78,136
| -70% | -$1.08M |
|
9090
PUT
Lincoln Electric
LECO
$15.5B
| $479K | ﹤0.01% |
2,000
-5,000
| -71% | -$1.18M |
|
9091
CALL
Qualys
QLYS
$6.25B
| $478K | ﹤0.01% |
3,600
-3,700
| -51% | -$509K |
|
9092
US Treasury 2 Year Note ETF
UTWO
$490M
| $478K | ﹤0.01% |
9,851
-10,480
| -52% | -$509K |
|
9093
CALL
Stepan Co
SCL
$1.48B
| $478K | ﹤0.01% |
10,100
+5,100
| +102% | +$234K |
|
9094
Cognyte Software
CGNT
$667M
| $478K | ﹤0.01% |
50,856
-154,935
| -75% | -$1.34M |
|
|
TECX
9095
PUT
Tectonic Therapeutic
TECX
$677M
| $478K | ﹤0.01% |
+22,900
| New | +$426K |
|
9096
Calvert US Large-Cap Core Responsible Index ETF
CVLC
$976M
| $478K | ﹤0.01% |
+5,670
| New | +$473K |
|
9097
Sonos
SONO
$1.85B
| $478K | ﹤0.01% |
27,196
-184,512
| -87% | -$3.22M |
|
9098
Gencor Industries
GENC
$279M
| $478K | ﹤0.01% |
36,847
-4,807
| -12% | -$64.4K |
|
9099
PUT
Astronics
ATRO
$4.6B
| $477K | ﹤0.01% |
+10,560
| New | +$443K |
|
|
ALLW
9100
State Street Bridgewater All Weather ETF
ALLW
$1.67B
| $477K | ﹤0.01% |
+17,356
| New | +$496K |
|
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.