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 | |
|---|---|---|---|---|---|---|
7901
PUT
Ichor Holdings
ICHR
$2.69B
| $792K | ﹤0.01% |
43,000
-43,300
| -50% | -$803K |
|
7902
CALL
Agree Realty
ADC
$9.3B
| $792K | ﹤0.01% |
11,000
-26,500
| -71% | -$1.94M |
|
7903
PUT
Dimensional US Core Equity 2 ETF
DFAC
$49.7B
| $792K | ﹤0.01% |
20,000
-100
| -0.5% | -$3.9K |
|
7904
PUT
Assured Guaranty
AGO
$3.38B
| $791K | ﹤0.01% |
8,800
-3,700
| -30% | -$319K |
|
7905
PUT
Anavex Life Sciences
AVXL
$298M
| $791K | ﹤0.01% |
222,100
+141,600
| +176% | +$867K |
|
7906
PUT
Fulcrum Therapeutics
FULC
$293M
| $789K | ﹤0.01% |
+69,800
| New | +$710K |
|
7907
CALL
iShares Core S&P US Growth ETF
IUSG
$33.8B
| $789K | ﹤0.01% |
4,700
+1,200
| +34% | +$200K |
|
7908
Bank7 Corp
BSVN
$498M
| $788K | ﹤0.01% |
19,226
-1,811
| -9% | -$77.4K |
|
|
IPX
7909
IperionX
IPX
$889M
| $787K | ﹤0.01% |
21,760
+9,153
| +73% | +$375K |
|
7910
PUT
VanEck High Yield Muni ETF
HYD
$4.36B
| $787K | ﹤0.01% |
15,400
-19,200
| -55% | -$979K |
|
7911
Angel Oak UltraShort Income ETF
UYLD
$1.59B
| $787K | ﹤0.01% |
15,391
-284,797
| -95% | -$14.6M |
|
7912
CALL
Vanguard FTSE All-World ex-US ETF
VEU
$70.8B
| $787K | ﹤0.01% |
10,700
+5,900
| +123% | +$429K |
|
7913
Fuel Tech
FTEK
$45.3M
| $786K | ﹤0.01% |
504,017
+376,994
| +297% | +$830K |
|
7914
Cohen & Steers Tax-Advantaged Preferred Securities & Income Fund
PTA
$1.03B
| $786K | ﹤0.01% |
40,705
-7,445
| -15% | -$147K |
|
7915
CALL
Enova International
ENVA
$6.61B
| $786K | ﹤0.01% |
5,000
-8,800
| -64% | -$1.15M |
|
7916
AllianzIM U.S. Equity Buffer10 Nov ETF
NVBT
$30.5M
| $785K | ﹤0.01% |
+21,315
| New | +$777K |
|
7917
PUT
Caledonia Mining Corp
CMCL
$453M
| $785K | ﹤0.01% |
30,000
-7,100
| -19% | -$209K |
|
7918
PUT
Silicon Laboratories
SLAB
$7.32B
| $784K | ﹤0.01% |
6,000
-700
| -10% | -$92K |
|
7919
Bar Harbor Bankshares
BHB
$681M
| $784K | ﹤0.01% |
25,251
-13,630
| -35% | -$415K |
|
7920
PUT
Armstrong World Industries
AWI
$7.57B
| $784K | ﹤0.01% |
4,100
-16,400
| -80% | -$3.13M |
|
7921
CALL
American Homes 4 Rent
AMH
$12.1B
| $783K | ﹤0.01% |
24,400
+7,800
| +47% | +$250K |
|
7922
PUT
Morningstar
MORN
$7.76B
| $782K | ﹤0.01% |
3,600
+1,900
| +112% | +$411K |
|
7923
Astrana Health
ASTH
$1.97B
| $782K | ﹤0.01% |
31,504
-21,014
| -40% | -$558K |
|
7924
CALL
Criteo S.A.
CRTO
$931M
| $781K | ﹤0.01% |
37,900
-5,000
| -12% | -$103K |
|
7925
ALPS REIT Dividend Dogs ETF
RDOG
$11.1M
| $781K | ﹤0.01% |
+21,761
| New | +$783K |
|
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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.