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 | |
|---|---|---|---|---|---|---|
|
PAYM
7376
TrueShares S&P Autocallable Defensive Income ETF
PAYM
$135M
| $987K | ﹤0.01% |
+39,673
| New | +$989K |
|
7377
CALL
ASE Group
ASX
$94.8B
| $987K | ﹤0.01% |
+61,300
| New | +$871K |
|
7378
CALL
Revvity
RVTY
$12.7B
| $987K | ﹤0.01% |
10,200
+5,100
| +100% | +$490K |
|
|
REFI
7379
Chicago Atlantic Real Estate Finance
REFI
$266M
| $986K | ﹤0.01% |
+80,463
| New | +$1.03M |
|
|
AFIX
7380
Allspring Broad Market Core Bond ETF
AFIX
$200M
| $986K | ﹤0.01% |
39,303
-202,814
| -84% | -$5.13M |
|
|
VTYX
7381
CALL
DELISTED
Ventyx Biosciences
VTYX
| $986K | ﹤0.01% |
109,200
+65,400
| +149% | +$489K |
|
|
AUSM
7382
Allspring Ultra Short Municipal ETF
AUSM
$33.1M
| $986K | ﹤0.01% |
39,287
+28,158
| +253% | +$707K |
|
7383
CALL
National Health Investors
NHI
$3.6B
| $985K | ﹤0.01% |
12,900
+4,000
| +45% | +$307K |
|
7384
PUT
Arcutis Biotherapeutics
ARQT
$3.34B
| $984K | ﹤0.01% |
33,900
+6,800
| +25% | +$174K |
|
7385
PUT
Itron
ITRI
$4.21B
| $984K | ﹤0.01% |
10,600
+5,700
| +116% | +$621K |
|
7386
Foghorn Therapeutics
FHTX
$401M
| $984K | ﹤0.01% |
182,276
+170,249
| +1,416% | +$772K |
|
7387
PUT
Funko
FNKO
$347M
| $984K | ﹤0.01% |
289,300
-57,200
| -17% | -$180K |
|
7388
PUT
Rayonier
RYN
$6.25B
| $983K | ﹤0.01% |
45,416
-15,206
| -25% | -$344K |
|
7389
CALL
Middlesex Water
MSEX
$1.11B
| $983K | ﹤0.01% |
19,500
+6,200
| +47% | +$333K |
|
|
RKLX
7390
PUT
Defiance Daily Target 2X Long RKLB ETF
RKLX
$263M
| $983K | ﹤0.01% |
+24,700
| New | +$907K |
|
7391
SandRidge Energy
SD
$532M
| $982K | ﹤0.01% |
+68,018
| New | +$900K |
|
7392
CALL
Reynolds Consumer Products
REYN
$5.43B
| $981K | ﹤0.01% |
42,800
+32,800
| +328% | +$791K |
|
7393
FlexShares Disciplined Duration MBS Index Fund
MBSD
$88.8M
| $980K | ﹤0.01% |
47,174
+33,776
| +252% | +$705K |
|
7394
PUT
Civeo
CVEO
$347M
| $979K | ﹤0.01% |
42,800
-25,900
| -38% | -$575K |
|
7395
Arteris
AIP
$1.27B
| $979K | ﹤0.01% |
+63,143
| New | +$915K |
|
7396
PUT
iShares Russell 2000 Value ETF
IWN
$14.6B
| $979K | ﹤0.01% |
5,400
-500
| -8% | -$89.8K |
|
7397
US Treasury 20 Year Bond ETF
UTWY
$8.2M
| $978K | ﹤0.01% |
22,494
+16,678
| +287% | +$738K |
|
7398
CALL
Artisan Partners
APAM
$2.96B
| $978K | ﹤0.01% |
24,000
-28,800
| -55% | -$1.23M |
|
|
DYNB
7399
Hartford Dynamic Bond ETF
DYNB
$62.3M
| $977K | ﹤0.01% |
24,561
+68
| +0.3% | +$2.72K |
|
|
GNTA
7400
Genenta Science
GNTA
$56.4M
| $976K | ﹤0.01% |
655,164
+642,678
| +5,147% | +$1.51M |
|
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.