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Jim Simons

Jim Simons Renaissance Technologies

AUM $63.9B
1-Year Est. Return 45.56%
 

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.

This Fund
S&P 500
This Quarter Est. Return
+3.01%
1 Year Est. Return
+45.56%
3 Year Est. Return
+129.95%
5 Year Est. Return
+153.6%
10 Year Est. Return
+738.31%
AUM
$63.9B
AUM Growth
-$531M
Cap. Flow
+$1.07B
Cap. Flow %
1.67%
Top 10 Hldgs %
11.2%
Holding
3,809
New
624
Increased
1,320
Reduced
1,262
Closed
596

Top Buys

Rank Stock Value
1
AAPL icon
Apple
AAPL
+$800M
2
NVDA icon
NVIDIA
NVDA
+$304M
3
AVGO icon
Broadcom
AVGO
+$261M
4
LIN icon
Linde
LIN
+$237M
5
JPM icon
JPMorgan Chase
JPM
+$208M

Top Sells

Rank Stock Value
1
COST icon
Costco
COST
+$656M
2
NFLX icon
Netflix
NFLX
+$632M
3
TSLA icon
Tesla
TSLA
+$474M
4
PG icon
Procter & Gamble
PG
+$428M
5
MU icon
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
NVNO
3551
enVVeno Medical
NVNO
$7.6M
– –
-1,466
Closed -$16.5K
NWS icon
3552
News Corp Class B
NWS
$17.7B
– –
-19,700
Closed -$584K
NXT icon
3553
Nextpower Inc
NXT
$15.9B
– –
-48,300
Closed -$4.21M
OC icon
3554
Owens Corning
OC
$12.6B
– –
-72,100
Closed -$8.07M
OCGN icon
3555
Ocugen
OCGN
$465M
– –
-1,700,400
Closed -$2.3M
OCS icon
3556
Oculis Holding
OCS
$708M
– –
-25,000
Closed -$499K
IMDX
3557
Insight Molecular Diagnostics
IMDX
$145M
– –
-13,400
Closed -$101K
ODFL icon
3558
Old Dominion Freight Line
ODFL
$43.4B
– –
-206,882
Closed -$32.4M
OKE icon
3559
Oneok
OKE
$57.7B
– –
-156,107
Closed -$11.5M
OKYO
3560
OKYO Pharma
OKYO
$79.8M
– –
-138,000
Closed -$286K
OLMA icon
3561
Olema Pharmaceuticals
OLMA
$913M
– –
-25,067
Closed -$627K
OMC icon
3562
Omnicom Group
OMC
$23.6B
– –
-116,185
Closed -$9.38M
ON icon
3563
ON Semiconductor
ON
$31.6B
– –
-550,896
Closed -$29.8M
ONEQ icon
3564
Fidelity Nasdaq Composite Index ETF
ONEQ
$10.8B
– –
-5,300
Closed -$484K
ONMD icon
3565
OneMedNet
ONMD
$42.4M
– –
-11,116
Closed -$12.2K
ONON icon
3566
On Holding
ONON
$10.3B
– –
-199,300
Closed -$9.26M
ONTF
3567
DELISTED
ON24
ONTF
– –
-553,034
Closed -$4.4M
ORCL icon
3568
Oracle
ORCL
$419B
– –
-1,639
Closed -$323K
ORIC icon
3569
Oric Pharmaceuticals
ORIC
$1.42B
– –
-572,724
Closed -$4.68M
OSCR icon
3570
Oscar Health
OSCR
$8.63B
– –
-246,100
Closed -$3.54M
OXY icon
3571
Occidental Petroleum
OXY
$59B
– –
-426,900
Closed -$17.6M
OZ icon
3572
Belpointe PREP
OZ
$185M
– –
-8,600
Closed -$559K
PANW icon
3573
Palo Alto Networks
PANW
$313B
– –
-908,500
Closed -$167M
PATK icon
3574
Patrick Industries
PATK
$2.81B
– –
-81,503
Closed -$8.84M
PBBK
3575
DELISTED
PB Bankshares
PBBK
– –
-12,700
Closed -$269K
141 142
143
144 145

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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.