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 | |
|---|---|---|---|---|---|---|
9201
WhiteHorse Finance
WHF
$152M
| $457K | ﹤0.01% |
65,798
+44,380
| +207% | +$316K |
|
9202
PUT
Blend Labs
BLND
$352M
| $457K | ﹤0.01% |
150,300
+29,700
| +25% | +$94.7K |
|
9203
CALL
Direxion Daily Mid Cap Bull 3X ETF
MIDU
$81.8M
| $457K | ﹤0.01% |
9,000
-1,500
| -14% | -$75.2K |
|
|
BTGD
9204
CALL
STKd 100% Bitcoin & 100% Gold ETF
BTGD
$43.5M
| $457K | ﹤0.01% |
13,300
+7,100
| +115% | +$281K |
|
9205
PUT
Resideo Technologies
REZI
$3.11B
| $457K | ﹤0.01% |
+13,000
| New | +$481K |
|
9206
ProShares Ultra Energy
DIG
$85.6M
| $456K | ﹤0.01% |
12,647
-407
| -3% | -$14.6K |
|
9207
Fidelity Disruptive Finance ETF
FDFF
$44.9M
| $456K | ﹤0.01% |
+12,812
| New | +$452K |
|
|
BNC
9208
CALL
CEA Industries
BNC
$108M
| $456K | ﹤0.01% |
71,000
+36,900
| +108% | +$259K |
|
9209
Energizer
ENR
$1.56B
| $455K | ﹤0.01% |
22,897
-157,691
| -87% | -$3.44M |
|
|
CMPS
9210
CALL
Compass Pathways
CMPS
$1.86B
| $455K | ﹤0.01% |
66,000
-49,100
| -43% | -$299K |
|
|
WW
9211
WW International
WW
$141M
| $455K | ﹤0.01% |
15,576
+2,540
| +19% | +$71K |
|
9212
Perma-Fix Environmental Services
PESI
$369M
| $455K | ﹤0.01% |
36,129
-24,035
| -40% | -$306K |
|
|
NXB
9213
NextBoat Inc
NXB
$50.5M
| $455K | ﹤0.01% |
+217,626
| New | +$643K |
|
|
UHT
9214
CALL
Universal Health Realty Income Trust
UHT
$574M
| $455K | ﹤0.01% |
+11,600
| New | +$452K |
|
9215
CALL
UDR
UDR
$12.2B
| $455K | ﹤0.01% |
12,400
+4,000
| +48% | +$142K |
|
9216
Oaktree Specialty Lending
OCSL
$1.14B
| $455K | ﹤0.01% |
35,698
+2,889
| +9% | +$38.6K |
|
9217
CALL
Viridian Therapeutics
VRDN
$2.5B
| $454K | ﹤0.01% |
14,600
-1,000
| -6% | -$27.4K |
|
9218
CALL
iShares US Telecommunications ETF
IYZ
$1.23B
| $454K | ﹤0.01% |
13,400
-5,200
| -28% | -$170K |
|
|
NOA
9219
CALL
North American Construction
NOA
$375M
| $454K | ﹤0.01% |
+31,600
| New | +$450K |
|
9220
PUT
Astrana Health
ASTH
$2.02B
| $454K | ﹤0.01% |
18,300
-2,900
| -14% | -$77K |
|
9221
PUT
Worthington Enterprises
WOR
$2.87B
| $454K | ﹤0.01% |
8,800
-19,700
| -69% | -$1.09M |
|
9222
StoneCo
STNE
$2.32B
| $454K | ﹤0.01% |
30,683
-347,376
| -92% | -$5.81M |
|
9223
PUT
Valvoline
VVV
$4.36B
| $453K | ﹤0.01% |
15,600
+5,000
| +47% | +$161K |
|
9224
Bioventus
BVS
$1.2B
| $453K | ﹤0.01% |
+60,925
| New | +$438K |
|
9225
Ichor Holdings
ICHR
$2.66B
| $453K | ﹤0.01% |
24,593
-152,901
| -86% | -$2.83M |
|
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.