Jim Simons Renaissance Technologies
Jim Simons is the founder of Renaissance Technologies, one of the most successful quantitative hedge funds in the world. Before his career in finance, he served as a mathematics professor and made significant contributions to differential geometry. Simons applied his analytical expertise to develop sophisticated, algorithm-driven trading strategies, earning consistently high returns for investors.
Top Buys
| Rank | Stock | Value |
|---|---|---|
| 1 |
Costco
COST
|
+$616M |
| 2 |
Netflix
NFLX
|
+$481M |
| 3 |
Micron Technology
MU
|
+$416M |
| 4 |
Tesla
TSLA
|
+$416M |
| 5 |
Procter & Gamble
PG
|
+$322M |
Top Sells
| Rank | Stock | Value |
|---|---|---|
| 1 |
NVIDIA
NVDA
|
+$885M |
| 2 |
Alphabet (Google) Class A
GOOGL
|
+$660M |
| 3 |
Alphabet (Google) Class C
GOOG
|
+$463M |
| 4 |
Applovin
APP
|
+$430M |
| 5 |
Meta Platforms (Facebook)
META
|
+$354M |
Sector Composition
| Rank | Sector | Weight |
|---|---|---|
| 1 | Technology | 20.84% |
| 2 | Healthcare | 15.77% |
| 3 | Consumer Discretionary | 13.88% |
| 4 | Industrials | 9.94% |
| 5 | Financials | 8.79% |
| Name | Market Value | Portfolio Weight | Shares or Principal |
Change in Stake | Capital Flow | |
|---|---|---|---|---|---|---|
126
Grupo Aeroportuario del Pacifico
PAC
$12.7B
| $114M | 0.18% |
432,200
-37,500
| -8% | -$8.71M |
|
127
Chunghwa Telecom
CHT
$32.9B
| $114M | 0.18% |
2,728,476
-79,391
| -3% | -$3.36M |
|
128
Otis Worldwide
OTIS
$27.8B
| $113M | 0.18% |
1,296,600
+759,700
| +141% | +$68M |
|
129
Petrobras
PBR
$116B
| $113M | 0.18% |
9,555,200
-992,300
| -9% | -$12.1M |
|
130
Starbucks
SBUX
$122B
| $112M | 0.17% |
+1,331,884
| New | +$112M |
|
131
AT&T
T
$168B
| $111M | 0.17% |
4,487,446
+1,867,795
| +71% | +$47.3M |
|
132
Dave Inc
DAVE
$3.95B
| $111M | 0.17% |
499,100
+112,700
| +29% | +$24.2M |
|
133
HP
HPQ
$26.6B
| $110M | 0.17% |
4,948,700
+4,267,600
| +627% | +$109M |
|
134
Enova International
ENVA
$6.4B
| $109M | 0.17% |
694,837
-32,700
| -4% | -$4.26M |
|
135
Murphy USA
MUSA
$10B
| $109M | 0.17% |
270,142
-46,220
| -15% | -$17.7M |
|
136
Genmab
GMAB
$19.2B
| $108M | 0.17% |
3,492,850
+671,307
| +24% | +$20.9M |
|
137
Williams-Sonoma
WSM
$29.5B
| $107M | 0.17% |
600,700
-84,400
| -12% | -$15.8M |
|
138
Perdoceo Education
PRDO
$1.95B
| $107M | 0.17% |
3,654,064
-177,993
| -5% | -$5.62M |
|
139
Frontdoor
FTDR
$5.76B
| $105M | 0.16% |
1,825,987
-155,000
| -8% | -$9.12M |
|
140
Seagate
STX
$186B
| $105M | 0.16% |
381,893
+324,829
| +569% | +$84.3M |
|
141
Virtu Financial
VIRT
$4.86B
| $105M | 0.16% |
3,144,568
-499,455
| -14% | -$17.1M |
|
142
Doximity
DOCS
$4.65B
| $105M | 0.16% |
2,365,449
+185,247
| +8% | +$10.4M |
|
143
Watsco Inc
WSO
$13.2B
| $103M | 0.16% |
305,280
+167,080
| +121% | +$59.7M |
|
144
Walt Disney
DIS
$179B
| $103M | 0.16% |
902,700
+389,686
| +76% | +$42.9M |
|
145
Booking.com
BKNG
$160B
| $102M | 0.16% |
476,900
+474,200
| +17,563% | +$97.6M |
|
146
JFrog
FROG
$10.4B
| $102M | 0.16% |
1,634,248
-183,052
| -10% | -$10.4M |
|
147
Eaton
ETN
$178B
| $102M | 0.16% |
+319,231
| New | +$113M |
|
148
Arista Networks
ANET
$250B
| $102M | 0.16% |
774,840
+89,600
| +13% | +$12.3M |
|
149
National Beverage
FIZZ
$2.89B
| $101M | 0.16% |
3,176,097
-48,569
| -2% | -$1.67M |
|
|
HOLX
150
DELISTED
Hologic
HOLX
| $98.6M | 0.15% |
1,323,090
+399,400
| +43% | +$29.2M |
|
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Jim Simons's Q4 2025 Portfolio in Review
As of Q4 2025, Jim Simons held 3,923 positions worth $64.5B, down 15% from $75.8B the previous quarter. Its ten largest holdings account for 12% of the portfolio.
Jim Simons withdrew a net $10.1B in Q4 2025, closing 737 positions and reducing 1,682 holdings. Its most notable exit was Meta Platforms (Facebook), an estimated $354M position sold in full.
By sector, the portfolio is most concentrated in Technology at 21% of assets, down from 22% a quarter earlier, followed by Healthcare and Consumer Discretionary.
Against the trend, Jim Simons opened a new position in ServiceNow worth $204M.
- Jim Simons's largest Q4 2025 buy was ServiceNow: 1,331,977 shares worth $204M.
- Jim Simons added most to Costco in Q4 2025, an estimated $616M increase.
- Jim Simons's biggest Q4 2025 reduction was NVIDIA, cutting an estimated $885M.
- Jim Simons fully exited Meta Platforms (Facebook) in Q4 2025, selling an estimated $354M.
- Jim Simons's ten largest holdings make up 12% of its $64.5B portfolio in Q4 2025.
- Jim Simons opened 466 new positions and closed 737 in Q4 2025.
- Jim Simons's portfolio value fell 15% quarter-over-quarter to $64.5B.
Based on Renaissance Technologies's 13F filing for Q4 2025, filed 12 Feb 2026.