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 |
Apple
AAPL
|
+$800M |
| 2 |
NVIDIA
NVDA
|
+$304M |
| 3 |
Broadcom
AVGO
|
+$261M |
| 4 |
Linde
LIN
|
+$237M |
| 5 |
JPMorgan Chase
JPM
|
+$208M |
Top Sells
| Rank | Stock | Value |
|---|---|---|
| 1 |
Costco
COST
|
+$656M |
| 2 |
Netflix
NFLX
|
+$632M |
| 3 |
Tesla
TSLA
|
+$474M |
| 4 |
Procter & Gamble
PG
|
+$428M |
| 5 |
Micron Technology
MU
|
+$332M |
Sector Composition
| Rank | Sector | Weight |
|---|---|---|
| 1 | Technology | 22.04% |
| 2 | Healthcare | 15.35% |
| 3 | Industrials | 11.13% |
| 4 | Consumer Discretionary | 10.88% |
| 5 | Financials | 10.52% |
| Name | Market Value | Portfolio Weight | Shares or Principal |
Change in Stake | Capital Flow | |
|---|---|---|---|---|---|---|
2276
Clearway Energy Class C
CWEN
$7.06B
| $1.01M | ﹤0.01% |
25,600
-83,600
| -77% | -$3.12M |
|
2277
Sensus Healthcare
SRTS
$51.5M
| $1M | ﹤0.01% |
252,234
-4,800
| -2% | -$21.3K |
|
2278
Kelly Services Class A
KELYA
$536M
| $1M | ﹤0.01% |
113,302
+17,994
| +19% | +$172K |
|
2279
ProShares Short S&P500
SH
$844M
| $1M | ﹤0.01% |
+26,400
| New | +$960K |
|
2280
SPX Corp
SPXC
$10.9B
| $1,000K | ﹤0.01% |
+5,000
| New | +$1.07M |
|
2281
Trupanion
TRUP
$1.33B
| $999K | ﹤0.01% |
39,000
+33,000
| +550% | +$986K |
|
2282
iShares MSCI Germany ETF
EWG
$1.67B
| $992K | ﹤0.01% |
25,000
-15,000
| -38% | -$636K |
|
2283
Provident Financial Services
PFS
$3.24B
| $991K | ﹤0.01% |
46,845
-118,424
| -72% | -$2.53M |
|
|
AIRJ
2284
Montana Technologies Corp
AIRJ
$458M
| $987K | ﹤0.01% |
393,200
+105,700
| +37% | +$356K |
|
2285
Shenandoah Telecom
SHEN
$721M
| $984K | ﹤0.01% |
63,800
-1,300
| -2% | -$17K |
|
2286
abrdn Physical Palladium Shares ETF
PALL
$676M
| $983K | ﹤0.01% |
+36,500
| New | +$1.13M |
|
2287
Northern Technologies International Corp
NTIC
$76.8M
| $979K | ﹤0.01% |
118,777
-7,600
| -6% | -$67.1K |
|
2288
Flanigan's Enterprises
BDL
$80.7M
| $976K | ﹤0.01% |
31,493
-1,500
| -5% | -$48.6K |
|
2289
Hennessy Advisors
HNNA
$78.9M
| $976K | ﹤0.01% |
100,088
+4,699
| +5% | +$46.8K |
|
2290
Pioneer Bancorp
PBFS
$419M
| $973K | ﹤0.01% |
69,900
-4,079
| -6% | -$57K |
|
|
FPI
2291
Farmland Partners
FPI
$425M
| $970K | ﹤0.01% |
86,400
-45,200
| -34% | -$518K |
|
2292
Identive
INVE
$63.4M
| $969K | ﹤0.01% |
261,784
+49,602
| +23% | +$167K |
|
2293
Spruce Power Holding Corp
SPRU
$38.9M
| $969K | ﹤0.01% |
236,233
+53,900
| +30% | +$250K |
|
2294
ARK Blockchain & Fintech Innovation ETF
ARKF
$758M
| $962K | ﹤0.01% |
25,300
+5,900
| +30% | +$248K |
|
2295
ImmuCell
ICCC
$99.3M
| $961K | ﹤0.01% |
151,789
+1,100
| +0.7% | +$7.04K |
|
2296
Xtrackers S&P 500 ESG ETF
SNPE
$2.78B
| $959K | ﹤0.01% |
16,100
-7,400
| -31% | -$462K |
|
2297
Luxfer Holdings
LXFR
$457M
| $956K | ﹤0.01% |
+78,524
| New | +$1.09M |
|
|
AGEN
2298
Agenus
AGEN
$311M
| $954K | ﹤0.01% |
285,646
-257,900
| -47% | -$856K |
|
2299
DocGo
DCGO
$66.2M
| $950K | ﹤0.01% |
1,510,361
+944,826
| +167% | +$711K |
|
2300
Zevia
ZVIA
$104M
| $950K | ﹤0.01% |
811,826
+203,000
| +33% | +$322K |
|
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Jim Simons's Q1 2026 Portfolio in Review
As of Q1 2026, Jim Simons held 3,809 positions worth $63.9B, down 0.82% from $64.5B the previous quarter. Its ten largest holdings account for 11% of the portfolio.
Jim Simons's Q1 2026 filing shows 624 new, 1,320 increased, 1,262 reduced and 596 closed positions. Its largest new stake was Apple: 3,075,638 shares worth $781M. The largest sale was Costco, an estimated $656M.
By sector, the portfolio is most concentrated in Technology at 22% of assets, up from 21% a quarter earlier, followed by Healthcare and Industrials.
- Jim Simons's largest Q1 2026 buy was Apple: 3,075,638 shares worth $781M.
- Jim Simons added most to NVIDIA in Q1 2026, an estimated $304M increase.
- Jim Simons's biggest Q1 2026 reduction was Costco, cutting an estimated $656M.
- Jim Simons fully exited Procter & Gamble in Q1 2026, selling an estimated $428M.
- Jim Simons's ten largest holdings make up 11% of its $63.9B portfolio in Q1 2026.
- Jim Simons opened 624 new positions and closed 596 in Q1 2026.
- Jim Simons's portfolio value fell 0.82% quarter-over-quarter to $63.9B.
Based on Renaissance Technologies's 13F filing for Q1 2026, filed 14 May 2026.