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Ossiam Portfolio holdings

AUM $5.69B
1-Year Est. Return 30.95%
This Fund
S&P 500
This Quarter Est. Return
-5.12%
1 Year Est. Return
+30.95%
3 Year Est. Return
+104.81%
5 Year Est. Return
+127.55%
10 Year Est. Return
–
AUM
$5.69B
AUM Growth
+$678M
Cap. Flow
+$1.22B
Cap. Flow %
21.4%
Top 10 Hldgs %
57.29%
Holding
408
New
20
Increased
188
Reduced
140
Closed
20

Top Buys

Rank Stock Value
1
SPYM
State Street SPDR Portfolio S&P 500 ETF
SPYM
+$609M
2
AMD icon
Advanced Micro Devices
AMD
+$241M
3
AVGO icon
Broadcom
AVGO
+$208M
4
GS icon
Goldman Sachs
GS
+$99.8M
5
NXPI icon
NXP Semiconductors
NXPI
+$69.6M

Top Sells

Rank Stock Value
1
BRK.B icon
Berkshire Hathaway Class B
BRK.B
+$123M
2
COST icon
Costco
COST
+$92.2M
3
NVDA icon
NVIDIA
NVDA
+$58.5M
4
GOOG icon
Alphabet (Google) Class C
GOOG
+$55.3M
5
PYPL icon
PayPal
PYPL
+$53.9M

Sector Composition

Rank Sector Weight
1 Technology 42.95%
2 Consumer Discretionary 17.27%
3 Financials 11.94%
4 Healthcare 6.3%
5 Communication Services 4.32%
Name Market Value Portfolio Weight Shares or Principal Change
in Stake 		Capital Flow
ESTC icon
51
Elastic
ESTC
$6.7B
$20.2M 0.36%
403,795
+96,045
+31% +$5.9M
FCX icon
52
Freeport-McMoran
FCX
$86.2B
$17.7M 0.31%
300,273
+213,405
+246% +$12.9M
VRTX icon
53
Vertex Pharmaceuticals
VRTX
$123B
$17.6M 0.31%
39,357
+21,763
+124% +$10.1M
AZN icon
54
AstraZeneca
AZN
$269B
$16.5M 0.29%
+85,120
New +$16.4M
KEYS icon
55
Keysight
KEYS
$50.7B
$16.1M 0.28%
57,004
-12,008
-17% -$3.01M
CSGP icon
56
CoStar Group
CSGP
$12.2B
$15.6M 0.27%
387,458
+213,591
+123% +$11.1M
APH icon
57
Amphenol
APH
$185B
$15M 0.26%
118,895
+99,377
+509% +$14M
VZ icon
58
Verizon
VZ
$197B
$14.5M 0.25%
288,693
+175,856
+156% +$8.15M
MCK icon
59
McKesson
MCK
$104B
$14.4M 0.25%
16,696
+14,879
+819% +$13.3M
ALAB icon
60
Astera Labs
ALAB
$42.8B
$14.4M 0.25%
131,067
-5,774
-4% -$822K
MA icon
61
Mastercard
MA
$498B
$14M 0.25%
28,067
-69,072
-71% -$36.4M
WDAY icon
62
Workday
WDAY
$41.5B
$13.4M 0.24%
102,860
+60,799
+145% +$9.65M
GOOG icon
63
Alphabet (Google) Class C
GOOG
$4.11T
$13M 0.23%
45,392
-175,915
-79% -$55.3M
NWSA icon
64
News Corp Class A
NWSA
$15.6B
$13M 0.23%
520,286
+280,624
+117% +$6.96M
NVR icon
65
NVR
NVR
$17.1B
$12.9M 0.23%
1,950
+1,091
+127% +$7.95M
ORCL icon
66
Oracle
ORCL
$339B
$12.5M 0.22%
84,975
-95,271
-53% -$15.5M
DDOG icon
67
Datadog
DDOG
$94B
$12.2M 0.22%
103,574
+188
+0.2% +$23.2K
DB icon
68
Deutsche Bank
DB
$66.6B
$12.2M 0.21%
421,770
+170,899
+68% +$6.02M
CHTR icon
69
Charter Communications
CHTR
$17.3B
$12M 0.21%
55,436
-1,755
-3% -$380K
NCLH icon
70
Norwegian Cruise Line
NCLH
$9.53B
$11.2M 0.2%
596,502
-1,108
-0.2% -$24.2K
APEI icon
71
American Public Education
APEI
$940M
$11M 0.19%
+193,449
New +$8.86M
ABT icon
72
Abbott
ABT
$187B
$10M 0.18%
97,838
-25,574
-21% -$2.89M
BROS icon
73
Dutch Bros
BROS
$8.86B
$9.8M 0.17%
193,367
– –
COST icon
74
Costco
COST
$432B
$9.48M 0.17%
9,516
-94,640
-91% -$92.2M
REGN icon
75
Regeneron Pharmaceuticals
REGN
$72.9B
$9.35M 0.16%
12,103
-2,587
-18% -$1.98M
1 2
3
4 5

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ACM
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PI
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TSW
Thompson Siegel & Walmsley Richmond, Virginia $5.7B AUM 6.69% 1-Year Est. Return
VH
ValueAct Holdings San Francisco, California $5.71B AUM 7.41% 1-Year Est. Return
DCP
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Folketrygdfondet Oslo Norway, Norway $5.64B AUM 47.16% 1-Year Est. Return
RMDI
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AC
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Ossiam's Q1 2026 Portfolio in Review

As of Q1 2026, Ossiam held 408 positions worth $5.69B, up 14% from $5.01B the previous quarter. Its ten largest holdings account for 57% of the portfolio.

Ossiam deployed $1.22B of net new capital in Q1 2026, opening 20 new positions and adding to 188 existing holdings. Its largest new stake was State Street SPDR Portfolio S&P 500 ETF: 7,619,932 shares worth $583M.

By sector, the portfolio is most concentrated in Technology at 43% of assets, up from 41% a quarter earlier, followed by Consumer Discretionary and Financials.

On the sell side, the largest reduction was Berkshire Hathaway Class B, an estimated $123M trimmed.

  • Ossiam's largest Q1 2026 buy was State Street SPDR Portfolio S&P 500 ETF: 7,619,932 shares worth $583M.
  • Ossiam added most to Advanced Micro Devices in Q1 2026, an estimated $241M increase.
  • Ossiam's biggest Q1 2026 reduction was Berkshire Hathaway Class B, cutting an estimated $123M.
  • Ossiam fully exited Axalta in Q1 2026, selling an estimated $5.18M.
  • Ossiam's ten largest holdings make up 57% of its $5.69B portfolio in Q1 2026.
  • Ossiam opened 20 new positions and closed 20 in Q1 2026.
  • Ossiam's portfolio value rose 14% quarter-over-quarter to $5.69B.

Based on Ossiam's 13F filing for Q1 2026, filed 14 May 2026.