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OAM

Ostrum Asset Management Portfolio holdings

AUM $1.78B
1-Year Est. Return 27.8%
This Fund
S&P 500
This Quarter Est. Return
+0.19%
1 Year Est. Return
+27.8%
3 Year Est. Return
+75.23%
5 Year Est. Return
–
10 Year Est. Return
–
AUM
$1.78B
AUM Growth
-$303M
Cap. Flow
-$230M
Cap. Flow %
-12.92%
Top 10 Hldgs %
33.91%
Holding
586
New
14
Increased
281
Reduced
265
Closed
24

Top Buys

Rank Stock Value
1
CMI icon
Cummins
CMI
+$37.7M
2
SHOP icon
Shopify
SHOP
+$33.6M
3
SCHW
Charles Schwab
SCHW
+$32.1M
4
ILMN icon
Illumina
ILMN
+$30M
5
HON icon
Honeywell
HON
+$28.8M

Top Sells

Rank Stock Value
1
AVGO icon
Broadcom
AVGO
+$70.5M
2
MSFT icon
Microsoft
MSFT
+$51.6M
3
ORLY icon
O'Reilly Automotive
ORLY
+$31.6M
4
MPWR icon
Monolithic Power Systems
MPWR
+$28.5M
5
AMZN icon
Amazon
AMZN
+$28.5M

Sector Composition

Rank Sector Weight
1 Technology 27.21%
2 Industrials 16.02%
3 Financials 13.73%
4 Healthcare 10.82%
5 Consumer Discretionary 8.76%

No holdings matched the selected filter criteria.

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Ostrum Asset Management's Q1 2026 Portfolio in Review

As of Q1 2026, Ostrum Asset Management held 586 positions worth $1.78B, down 15% from $2.08B the previous quarter. Its ten largest holdings account for 34% of the portfolio.

Ostrum Asset Management withdrew a net $230M in Q1 2026, closing 24 positions and reducing 265 holdings. Its most notable exit was TopBuild, an estimated $19.4M position sold in full.

By sector, the portfolio is most concentrated in Technology at 27% of assets, down from 31% a quarter earlier, followed by Industrials and Financials.

Against the trend, Ostrum Asset Management opened a new position in Shopify worth $30.3M.

  • Ostrum Asset Management's largest Q1 2026 buy was Shopify: 255,680 shares worth $30.3M.
  • Ostrum Asset Management added most to Cummins in Q1 2026, an estimated $37.7M increase.
  • Ostrum Asset Management's biggest Q1 2026 reduction was Broadcom, cutting an estimated $70.5M.
  • Ostrum Asset Management fully exited TopBuild in Q1 2026, selling an estimated $19.4M.
  • Ostrum Asset Management's ten largest holdings make up 34% of its $1.78B portfolio in Q1 2026.
  • Ostrum Asset Management opened 14 new positions and closed 24 in Q1 2026.
  • Ostrum Asset Management's portfolio value fell 15% quarter-over-quarter to $1.78B.

Based on Ostrum Asset Management's 13F filing for Q1 2026, filed 14 May 2026.