CIK: 0001767471
Total reported value
$5.7B
Reporting period: 2026-03-31 · Number of holdings: 388
OSSIAM disclosed 388 holdings in its latest 13F filing for the period ending 2026-03-31, with total reported value of $5.7B and a quarterly turnover rate of 56.7%.
Browse other institutions with $1B to $10B AUMBrowse other institutions starting with "O"
Ossiam's disclosed holdings carry a Herfindahl concentration index of 0.049 — mathematically equivalent to about 21 equally-sized positions, well below its 388 actual disclosed holdings. That gap points to a strategy built around a small core of high-conviction bets rather than broad diversification.
Position sizes vary widely across the portfolio (a coefficient of variation of 4.24), with a handful of outsized bets alongside many smaller positions.
No strong tilt toward either adding to existing winners or initiating outsized new positions was observed in the latest reported quarter.
Trim BRK-B
-25.8% -$142.4M
Add AVGO
+360.6% $189.0M
Trim TSLA
+0.1% -$80.5M
Trim AMZN
-19.2% -$79.2M
Add AMD
+39.7% $199.0M
Trim NVDA
-22.8% -$72.5M
Showing top 200 holdings (of 388 total)
| # | Ticker | Issuer | Asset Subclass | Weight | Weight Change | Shares Change | 4Q Trend |
|---|---|---|---|---|---|---|---|
| 1 | AMD | Advanced Micro Devices | Stock-Tech | 14.22% | +2.05% | +39.66% | |
| 2 | SPYM | Ste Str Spdr Pt S&p 500 ETF | ETF-Large Cap & Growth | 10.26% | +10.26% | NEW | |
| 3 | TSLA | Tesla INC | Stock-Consumer Disc | 6.79% | -2.53% | +0.10% | |
| 4 | BRK-B | Berkshire Hathaway Inc-cl B | Stock-Other | 6.05% | -3.67% | -25.81% | |
| 5 | AAPL | Apple INC | Stock-Tech | 4.66% | -0.08% | +19.52% | |
| 6 | AVGO | Broadcom INC | Stock-Tech | 4.39% | +3.18% | +360.65% | |
| 7 | AMZN | Amazon.com INC | Stock-Consumer Disc | 3.75% | -2.09% | -19.19% | |
| 8 | NVDA | Nvidia CORP | Stock-Tech | 3.31% | -1.89% | -22.83% | |
| 9 | GS | Goldman Sachs Group INC | Stock-Financials | 2.22% | +1.56% | +299.42% | |
| 10 | PLTR | Palantir Technologies Inc-a | Stock-Tech | 1.64% | — | +16.64% | |
| 11 | ADBE | Adobe INC | Stock-Tech | 1.60% | -0.69% | +14.70% | |
| 12 | AMAT | Applied Materials INC | Stock-Tech | 1.13% | +0.41% | +32.99% | |
| 13 | NXPI | NXP Semiconductors N.V. | Stock-Tech | 1.10% | +1.08% | +6248.08% | |
| 14 | ADSK | Autodesk INC | Stock-Tech | 1.05% | — | +42.36% | |
| 15 | FTNT | Fortinet INC | Stock-Tech | 1.04% | — | +4.39% | |
| 16 | CZR | Caesars Entertainment INC | Stock-Consumer Disc | 0.91% | — | — | |
| 17 | XOM | Exxon Mobil CORP | Stock-Energy | 0.91% | +0.75% | +359.60% | |
| 18 | MELI | Mercadolibre INC | Stock-Consumer Disc | 0.88% | — | -3.18% | |
| 19 | UBER | Uber Technologies INC | Stock-Industrials | 0.88% | — | -3.49% | |
| 20 | CRWD | Crowdstrike Holdings INC - A | Stock-Tech | 0.86% | -0.41% | -7.47% | |
| 21 | GOOGL | Alphabet Inc-cl A | Stock-Comm Services | 0.86% | +0.12% | +43.46% | |
| 22 | ULTA | Ulta Beauty INC | Stock-Consumer Disc | 0.81% | — | +1.04% | |
| 23 | ROKU | Roku INC | Stock-Comm Services | 0.77% | — | — | |
| 24 | SPGI | S&p Global INC | Stock-Financials | 0.72% | +0.62% | +940.03% | |
| 25 | AMGN | Amgen INC | Stock-Healthcare | 0.70% | +0.60% | +653.92% | |
| 26 | LIN | Linde plc | Stock-Materials | 0.69% | +0.64% | +1253.63% | |
| 27 | ISRG | Intuitive Surgical INC | Stock-Healthcare | 0.66% | — | +2.38% | |
| 28 | SNDK | Sandisk CORP | Stock-Tech | 0.65% | +0.41% | +13.91% | |
| 29 | MDB | Mongodb INC | Stock-Tech | 0.65% | -0.62% | -0.01% | |
| 30 | ABBV | Abbvie INC | Stock-Healthcare | 0.61% | +0.33% | +162.29% | |
| 31 | TFC | Truist Financial CORP | Stock-Financials | 0.59% | +0.56% | +2250.82% | |
| 32 | EOG | Eog Resources INC | Stock-Energy | 0.58% | +0.45% | +272.00% | |
| 33 | ALGN | Align Technology INC | Stock-Healthcare | 0.57% | — | +31.93% | |
| 34 | UNH | Unitedhealth Group INC | Stock-Healthcare | 0.56% | +0.46% | +673.49% | |
| 35 | QRVO | Qorvo INC | Stock-Tech | 0.55% | — | -11.95% | |
| 36 | ABNB | Airbnb Inc-class A | Stock-Consumer Disc | 0.55% | — | +0.51% | |
| 37 | NFLX | Netflix INC | Stock-Comm Services | 0.54% | — | +7.35% | |
| 38 | BKNG | Booking Holdings INC | Stock-Consumer Disc | 0.54% | +0.38% | +377.82% | |
| 39 | DASH | Doordash INC - A | Stock-Consumer Disc | 0.51% | -0.37% | -0.57% | |
| 40 | AZO | Autozone INC | Stock-Consumer Disc | 0.51% | +0.36% | +290.42% | |
| 41 | LITE | Lumentum Holdings INC | Stock-Tech | 0.48% | +0.48% | NEW | |
| 42 | SHOP | Shopify INC - Class A | Stock-Tech | 0.48% | -0.28% | -3.08% | |
| 43 | CNX | Cnx Resources CORP | Stock-Energy | 0.46% | — | — | |
| 44 | CBRE | Cbre Group INC - A | Stock-Real Estate | 0.44% | — | -9.22% | |
| 45 | DUK | Duke Energy CORP | Stock-Utilities | 0.44% | +0.44% | +9059.84% | |
| 46 | TEAM | Atlassian Corp-cl A | Stock-Tech | 0.43% | — | +77.18% | |
| 47 | META | Meta Platforms Inc-class A | Stock-Comm Services | 0.43% | -0.56% | -42.76% | |
| 48 | ✓ | On Hldg AG | Stock-Other | 0.40% | — | +107.64% | |
| 49 | APLSUSD | Apellis Pharmaceuticals INC | Stock-Other | 0.39% | +0.17% | +28.76% | |
| 50 | APP | Applovin Corp-class A | Stock-Tech | 0.38% | — | +39.08% |
Performance for Q3 2026
+12.4%
Performance Last 4 Quarters
+41.8%
Based on 79% of reported portfolio value with available pricing
| Period | Holdings | Total value | Stability | Top holdings |
|---|---|---|---|---|
| 2026-03-31 | 388 | $5.7B | 57 | |
| 2025-12-31 | 388 | $5.0B | 74 | |
| 2025-09-30 | 694 | $7.8B | 71 | |
| 2025-06-30 | 641 | $8.9B | 0 | |
| 2025-03-31 | 617 | $7.2B | 100 | |
| 2024-12-31 | 623 | $5.8B | 0 | |
| 2024-09-30 | 640 | $5.2B | 0 | |
| 2024-06-30 | 639 | $5.3B | 0 | |
| 2024-03-31 | 626 | $5.7B | 0 | |
| 2023-12-31 | 657 | $6.2B | 0 | |
| 2023-09-30 | 665 | $5.7B | 0 | |
| 2023-06-30 | 710 | $5.6B | 0 | |
| 2023-03-31 | 699 | $4.8B | 0 | |
| 2022-12-31 | 711 | $3.9B | 0 | |
| 2022-09-30 | 716 | $3.5B | 0 | |
| 2022-06-30 | 447 | $3.3B | 0 | |
| 2022-03-31 | 432 | $3.8B | 0 | |
| 2021-12-31 | 433 | $3.8B | 0 | |
| 2021-09-30 | 435 | $3.5B | 0 | |
| 2021-06-30 | 440 | $3.7B | 100 | |
| 2021-03-31 | 408 | $3.2B | 56 | |
| 2020-12-31 | 419 | $2.9B | 66 | |
| 2020-09-30 | 413 | $2.4B | 64 | |
| 2020-06-30 | 426 | $1.6B | 58 | |
| 2020-03-31 | 450 | $1.5B | 100 | |
| 2019-12-31 | 475 | $1.3B | 92 | |
| 2019-09-30 | 471 | $1.4B | 92 | |
| 2019-06-30 | 477 | $1.3B | 100 | |
| 2019-03-31 | 269 | $1.2B | 100 | |
| 2018-12-31 | 274 | $665.2M | — |
Ossiam's most significant position changes for 2026-03-31: New buy: Ste Str Spdr Pt S&p 500 ETF (SPYM); New buy: Lumentum Holdings INC (LITE); New buy: AstraZeneca PLC (AZN); New buy: American Public Education (APEI); Trim: Berkshire Hathaway Inc-cl B (BRK-B) — shares -25.81%.
| # | Ticker | Issuer | Weight Change | Shares Change | Action |
|---|---|---|---|---|---|
| 1 | AVGO | Broadcom INC | +3.2% | +360.65% | Add |
| 2 | AMD | Advanced Micro Devices | +2.1% | +39.66% | Add |
| 3 | GS | Goldman Sachs Group INC | +1.6% | +299.42% | Add |
| 4 | NXPI | NXP Semiconductors N.V. | +1.1% | +6248.08% | Add |
| 5 | XOM | Exxon Mobil CORP | +0.8% | +359.60% | Add |
| 6 | LIN | Linde plc | +0.6% | +1253.63% | Add |
| 7 | SPGI | S&p Global INC | +0.6% | +940.03% | Add |
| 8 | AMGN | Amgen INC | +0.6% | +653.92% | Add |
| 9 | TFC | Truist Financial CORP | +0.6% | +2250.82% | Add |
| 10 | UNH | Unitedhealth Group INC | +0.5% | +673.49% | Add |
| 11 | EOG | Eog Resources INC | +0.5% | +272.00% | Add |
| 12 | DUK | Duke Energy CORP | +0.4% | +9059.84% | Add |
| 13 | AMAT | Applied Materials INC | +0.4% | +32.99% | Add |
| 14 | SNDK | Sandisk CORP | +0.4% | +13.91% | Add |
| 15 | BKNG | Booking Holdings INC | +0.4% | +377.82% | Add |
| 16 | AZO | Autozone INC | +0.4% | +290.42% | Add |
| 17 | ABBV | Abbvie INC | +0.3% | +162.29% | Add |
| 18 | FCX | Freeport-mcmoran INC | +0.2% | +245.67% | Add |
| 19 | MCK | Mckesson CORP | +0.2% | +818.88% | Add |
| 20 | APH | Amphenol Corp-cl A | +0.2% | +509.16% | Add |
| 21 | APLSUSD | Apellis Pharmaceuticals INC | +0.2% | +28.76% | Add |
| 22 | GOOGL | Alphabet Inc-cl A | +0.1% | +43.46% | Add |
| 23 | AAPL | Apple INC | -0.1% | +19.52% | Add |
| 24 | V | Visa Inc-class A Shares | -0.2% | -53.11% | Trim |
| 25 | CEG | Constellation Energy | -0.3% | -94.41% | Trim |
| 26 | SHOP | Shopify INC - Class A | -0.3% | -3.08% | Trim |
| 27 | SE | Sea Ltd-adr | -0.3% | -76.78% | Trim |
| 28 | WELL | Welltower INC | -0.3% | -90.39% | Trim |
| 29 | COF | Capital One Financial CORP | -0.4% | -65.87% | Trim |
| 30 | RIVN | Rivian Automotive Inc-a | -0.4% | -88.97% | Trim |
| 31 | DASH | Doordash INC - A | -0.4% | -0.57% | Trim |
| 32 | CRWD | Crowdstrike Holdings INC - A | -0.4% | -7.47% | Trim |
| 33 | ORCL | Oracle CORP | -0.5% | -52.86% | Trim |
| 34 | META | Meta Platforms Inc-class A | -0.6% | -42.76% | Trim |
| 35 | EQIX | Equinix INC | -0.6% | -94.80% | Trim |
| 36 | MDB | Mongodb INC | -0.6% | -0.01% | Trim |
| 37 | ADBE | Adobe INC | -0.7% | +14.70% | Add |
| 38 | MA | Mastercard INC - A | -0.9% | -71.11% | Trim |
| 39 | GOOG | Alphabet Inc-cl C | -1.2% | -79.49% | Trim |
| 40 | PYPL | Paypal Holdings INC | -1.3% | -95.74% | Trim |
| 41 | FLUT | Flutter Entertainment plc | -1.3% | -97.24% | Trim |
| 42 | COST | Costco Wholesale CORP | -1.6% | -90.86% | Trim |
| 43 | NVDA | Nvidia CORP | -1.9% | -22.83% | Trim |
| 44 | AMZN | Amazon.com INC | -2.1% | -19.19% | Trim |
| 45 | TSLA | Tesla INC | -2.5% | +0.10% | Add |
| 46 | BRK-B | Berkshire Hathaway Inc-cl B | -3.7% | -25.81% | Trim |
| 47 | SPYM | Ste Str Spdr Pt S&p 500 ETF | — | NEW | New buy |
| 48 | LITE | Lumentum Holdings INC | — | NEW | New buy |
| 49 | AZN | AstraZeneca PLC | — | NEW | New buy |
| 50 | APEI | American Public Education | — | NEW | New buy |
| Period | Filed | Type | EDGAR |
|---|---|---|---|
| 2026-03-31 | 2026-05-14 | 13F-HR | View on EDGAR |
| 2025-12-31 | 2026-02-13 | 13F-HR | View on EDGAR |
| 2025-09-30 | 2025-11-14 | 13F-HR | View on EDGAR |
| 2025-06-30 | 2025-08-13 | 13F-HR | View on EDGAR |
| 2025-03-31 | 2025-05-14 | 13F-HR | View on EDGAR |
| 2024-12-31 | 2025-02-13 | 13F-HR | View on EDGAR |
| 2024-09-30 | 2024-11-13 | 13F-HR | View on EDGAR |
| 2024-06-30 | 2024-08-13 | 13F-HR | View on EDGAR |
| 2024-03-31 | 2024-05-13 | 13F-HR | View on EDGAR |
| 2023-12-31 | 2024-02-13 | 13F-HR | View on EDGAR |
| 2023-09-30 | 2023-11-14 | 13F-HR | View on EDGAR |
| 2023-06-30 | 2023-08-11 | 13F-HR | View on EDGAR |
| 2023-03-31 | 2023-05-12 | 13F-HR | View on EDGAR |
| 2022-12-31 | 2023-02-13 | 13F-HR | View on EDGAR |
| 2022-09-30 | 2022-11-14 | 13F-HR | View on EDGAR |
| 2022-06-30 | 2022-08-12 | 13F-HR | View on EDGAR |
| 2022-03-31 | 2022-05-13 | 13F-HR | View on EDGAR |
| 2021-12-31 | 2022-02-14 | 13F-HR | View on EDGAR |
| 2021-09-30 | 2021-11-12 | 13F-HR | View on EDGAR |
| 2021-06-30 | 2021-08-13 | 13F-HR | View on EDGAR |
| 2021-03-31 | 2021-05-17 | 13F-HR | View on EDGAR |
| 2020-12-31 | 2021-02-12 | 13F-HR | View on EDGAR |
| 2020-09-30 | 2020-11-12 | 13F-HR | View on EDGAR |
| 2020-06-30 | 2020-08-13 | 13F-HR | View on EDGAR |
| 2020-03-31 | 2020-05-14 | 13F-HR | View on EDGAR |
| 2019-12-31 | 2020-02-14 | 13F-HR | View on EDGAR |
| 2019-09-30 | 2019-11-13 | 13F-HR | View on EDGAR |
| 2019-06-30 | 2019-08-13 | 13F-HR | View on EDGAR |
| 2019-03-31 | 2019-05-15 | 13F-HR | View on EDGAR |
| 2018-12-31 | 2019-02-14 | 13F-HR | View on EDGAR |
Institutions with a similar AUM
CIK 0001445065
Total reported value
$5.7B
2,847 stks
2024-06-30
Stale — no recent filing
AUM within 0.1% of this institution
CIK 0001731012
Total reported value
$5.7B
58 stks
2026-03-31
AUM within 0.1% of this institution
CIK 0001770632
Total reported value
$5.7B
236 stks
2026-03-31
AUM within 0.2% of this institution
Institutions with overlapping top holdings
CIK 0001353110
Total reported value
$105.3M
76 stks
2026-03-31
3 of the top 5 holdings overlap, including Berkshire Hathaway Inc-cl B
CIK 0001534949
Total reported value
$3.0B
19 stks
2026-03-31
3 of the top 5 holdings overlap, including Ste Str Spdr Pt S&p 500 ETF
CIK 0001759760
Total reported value
$20.0B
19 stks
2026-03-31
3 of the top 5 holdings overlap, including Apple INC