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 | |
|---|---|---|---|---|---|---|
2576
Rhythm Pharmaceuticals
RYTM
$7.95B
| $16.4M | ﹤0.01% |
153,322
+20,696
| +16% | +$2.2M |
|
2577
PUT
Mondelez International
MDLZ
$81.2B
| $16.4M | ﹤0.01% |
304,700
-11,500
| -4% | -$662K |
|
2578
Vital Farms
VITL
$468M
| $16.4M | ﹤0.01% |
512,937
-397,382
| -44% | -$14M |
|
2579
Choice Hotels
CHH
$4.7B
| $16.3M | ﹤0.01% |
171,496
-44,751
| -21% | -$4.26M |
|
2580
PUT
InterDigital
IDCC
$8.87B
| $16.3M | ﹤0.01% |
51,300
+1,600
| +3% | +$566K |
|
2581
PUT
Archer Aviation
ACHR
$5.1B
| $16.3M | ﹤0.01% |
2,170,300
-1,028,200
| -32% | -$9.68M |
|
2582
PUT
State Street SPDR S&P Insurance ETF
KIE
$684M
| $16.3M | ﹤0.01% |
271,100
+254,500
| +1,533% | +$15M |
|
|
APLS
2583
DELISTED
Apellis Pharmaceuticals
APLS
| $16.3M | ﹤0.01% |
648,229
+61,777
| +11% | +$1.45M |
|
2584
RELX
RELX
$60B
| $16.3M | ﹤0.01% |
402,295
+218,645
| +119% | +$9.33M |
|
2585
PUT
Pagaya Technologies
PGY
$1.8B
| $16.3M | ﹤0.01% |
778,012
+3,952
| +0.5% | +$101K |
|
|
XHR
2586
Xenia Hotels & Resorts
XHR
$1.77B
| $16.2M | ﹤0.01% |
1,149,208
+1,022,122
| +804% | +$13.9M |
|
|
QXO
2587
CALL
QXO Inc
QXO
$15.7B
| $16.2M | ﹤0.01% |
841,300
+113,200
| +16% | +$2.17M |
|
2588
CALL
Capri Holdings
CPRI
$1.74B
| $16.2M | ﹤0.01% |
664,800
-243,800
| -27% | -$5.64M |
|
2589
Stanley Black & Decker
SWK
$15.4B
| $16.2M | ﹤0.01% |
218,378
-62,119
| -22% | -$4.37M |
|
2590
CALL
Direxion Daily Homebuilders & Supplies Bull 3X ETF
NAIL
$581M
| $16.2M | ﹤0.01% |
326,500
+17,800
| +6% | +$1.06M |
|
2591
PureCycle Technologies
PCT
$1.4B
| $16.2M | ﹤0.01% |
1,885,583
+664,282
| +54% | +$7.05M |
|
|
SPYM
2592
CALL
State Street SPDR Portfolio S&P 500 ETF
SPYM
$169B
| $16.2M | ﹤0.01% |
201,600
-49,200
| -20% | -$3.91M |
|
2593
PUT
C3.ai
AI
$1.54B
| $16.2M | ﹤0.01% |
1,198,800
-720,100
| -38% | -$11.5M |
|
2594
CALL
Exelon
EXC
$47.2B
| $16.2M | ﹤0.01% |
370,700
-230,400
| -38% | -$10.5M |
|
2595
Broadstone Net Lease
BNL
$4.38B
| $16.1M | ﹤0.01% |
927,600
+424,153
| +84% | +$7.64M |
|
2596
AngloGold Ashanti
AU
$48.7B
| $16.1M | ﹤0.01% |
188,767
+157,192
| +498% | +$12.3M |
|
2597
Comstock Resources
CRK
$4.13B
| $16.1M | ﹤0.01% |
693,820
+392,104
| +130% | +$8.64M |
|
2598
CALL
Elbit Systems
ESLT
$36.7B
| $16.1M | ﹤0.01% |
27,800
+11,500
| +71% | +$5.77M |
|
2599
CALL
Matador Resources
MTDR
$6.64B
| $16.1M | ﹤0.01% |
378,200
-130,800
| -26% | -$5.49M |
|
|
RAL
2600
Ralliant Corp
RAL
$8B
| $16M | ﹤0.01% |
315,017
-260,021
| -45% | -$12.2M |
|
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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.