CIK: 0000918893
Total reported value
$382.3M
Reporting period: 2026-03-31 · Number of holdings: 76
Rosenblum Silverman Sutton S F Inc /ca disclosed 76 holdings in its latest 13F filing for the period ending 2026-03-31, with total reported value of $382.3M and a quarterly turnover rate of 15.8%.
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Rosenblum Silverman Sutton S F Inc /ca's disclosed holdings carry a Herfindahl concentration index of 0.038 — mathematically equivalent to about 26 equally-sized positions, well below its 76 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 1.38), 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.
Add COST
-1.3% $2.2M
Trim RDDT
-0.2% -$4.6M
Trim MSFT
-0.5% -$5.4M
Add NFLX
+0.1% $479.4K
Trim CRM
-2.3% -$3.4M
Trim ADBE
-11.4% -$2.6M
| # | Ticker | Issuer | Asset Subclass | Weight | Weight Change | Shares Change | 4Q Trend |
|---|---|---|---|---|---|---|---|
| 1 | NVDA | Nvidia CORP | Stock-Tech | 11.26% | +0.38% | -2.13% | |
| 2 | AMZN | Amazon.com INC | Stock-Consumer Disc | 5.22% | +0.07% | -0.73% | |
| 3 | NFLX | Netflix INC | Stock-Comm Services | 4.77% | +0.66% | +0.15% | |
| 4 | COST | Costco Wholesale CORP | Stock-Consumer Staples | 4.62% | +1.04% | -1.32% | |
| 5 | MSFT | Microsoft CORP | Stock-Tech | 4.54% | -0.74% | -0.47% | |
| 6 | V | Visa Inc-class A Shares | Stock-Financials | 4.53% | -0.15% | -0.62% | |
| 7 | GOOGL | Alphabet Inc-cl A | Stock-Comm Services | 4.50% | +0.06% | -2.29% | |
| 8 | META | Meta Platforms Inc-class A | Stock-Comm Services | 4.50% | -0.10% | -0.23% | |
| 9 | SN | SharkNinja, Inc. | Stock-Consumer Disc | 3.35% | +0.19% | -0.93% | |
| 10 | CTAS | Cintas CORP | Stock-Industrials | 3.11% | +0.02% | -1.07% | |
| 11 | JMBS | Janus Henderson Mortg Backed | ETF-Other | 2.96% | +0.43% | +4.79% | |
| 12 | ALNY | Alnylam Pharmaceuticals INC | Stock-Healthcare | 2.85% | -0.20% | -0.76% | |
| 13 | GOOG | Alphabet Inc-cl C | Stock-Comm Services | 2.77% | -0.04% | -4.75% | |
| 14 | VCIT | Vanguard Int-term Corporate | ETF-Corp Bonds | 2.67% | +0.44% | +6.88% | |
| 15 | JBND | Jpmorgan Active Bond ETF | ETF-Other | 2.41% | +0.44% | +8.86% | |
| 16 | TMO | Thermo Fisher Scientific INC | Stock-Healthcare | 2.40% | -0.13% | -0.95% | |
| 17 | CRM | Salesforce INC | Stock-Tech | 1.96% | -0.55% | -2.27% | |
| 18 | PODD | Insulet CORP | Stock-Healthcare | 1.87% | -0.35% | +0.58% | |
| 19 | DECK | Deckers Outdoor CORP | Stock-Consumer Disc | 1.82% | +0.13% | -0.98% | |
| 20 | JPM | Jpmorgan Chase & Co | Stock-Financials | 1.80% | +0.05% | -0.36% | |
| 21 | RDDT | Reddit Inc-cl A | Stock-Comm Services | 1.71% | -0.88% | -0.17% | |
| 22 | FLOT | Ishares Floating Rate Bond E | ETF-Other | 1.67% | +0.23% | +2.52% | |
| 23 | SNPS | Synopsys INC | Stock-Tech | 1.49% | -0.07% | +0.47% | |
| 24 | HD | Home Depot INC | Stock-Consumer Disc | 1.27% | +0.06% | -2.57% | |
| 25 | XYL | Xylem INC | Stock-Industrials | 1.26% | — | +0.44% | |
| 26 | Z | Zillow Group INC - C | Stock-Comm Services | 1.17% | -0.45% | +5.46% | |
| 27 | BX | Blackstone INC | Stock-Financials | 1.10% | -0.20% | +0.43% | |
| 28 | ADBE | Adobe INC | Stock-Tech | 1.08% | -0.48% | -11.35% | |
| 29 | TSLA | Tesla INC | Stock-Consumer Disc | 1.02% | -0.10% | -2.59% | |
| 30 | DGRO | Ishares Core Dividend Growth | ETF-Other | 0.85% | +0.12% | +2.67% | |
| 31 | SAIA | Saia INC | Stock-Industrials | 0.83% | — | -4.52% | |
| 32 | IWB | Ishares Russell 1000 ETF | ETF-Other | 0.82% | +0.14% | +11.83% | |
| 33 | NOW | Servicenow INC | Stock-Tech | 0.73% | -0.22% | -0.37% | |
| 34 | OKTA | Okta INC | Stock-Tech | 0.68% | +0.02% | +0.06% | |
| 35 | BAC | Bank Of America CORP | Stock-Financials | 0.59% | — | -0.56% | |
| 36 | PGF | Invesco Financial Preferred | ETF-Other | 0.58% | — | +4.03% | |
| 37 | IQV | Iqvia Holdings INC | Stock-Healthcare | 0.56% | -0.04% | +8.63% | |
| 38 | MDY | State Street Spdr S&p Midcap | ETF-Other | 0.54% | — | -0.80% | |
| 39 | AAPL | Apple INC | Stock-Tech | 0.51% | -0.05% | -13.44% | |
| 40 | DT | Dynatrace INC | Stock-Tech | 0.48% | -0.13% | -17.48% | |
| 41 | CWB | Ss Spdr Bb Conv Sec ETF | ETF-Other | 0.47% | — | -0.51% | |
| 42 | XYZ | Block INC | Stock-Financials | 0.45% | +0.33% | +248.22% | |
| 43 | WK | Workiva INC | Stock-Tech | 0.43% | -0.11% | +0.11% | |
| 44 | TJX | Tjx Companies INC | Stock-Consumer Disc | 0.42% | — | +1.42% | |
| 45 | AMT | American Tower CORP | Stock-Real Estate | 0.38% | +0.01% | -8.27% | |
| 46 | SPY | Ss Spdr S&p 500 ETF Trust-us | ETF-Large Cap & Growth | 0.36% | — | -1.13% | |
| 47 | IJT | Ishares S&p Small-cap 600 Gr | ETF-Other | 0.31% | — | — | |
| 48 | VCSH | Vanguard S/t CORP Bond ETF | ETF-Corp Bonds | 0.30% | +0.15% | +80.65% | |
| 49 | VB | Vanguard Small-cap ETF | ETF-Other | 0.28% | — | +1.74% | |
| 50 | VOT | Vanguard Mid-cap Growth ETF | ETF-Other | 0.27% | +0.07% | +25.58% |
Performance for Q3 2026
-2%
Performance Last 4 Quarters
-1.3%
Based on 73% of reported portfolio value with available pricing
| Period | Holdings | Total value | Stability | Top holdings |
|---|---|---|---|---|
| 2026-03-31 | 76 | $382.3M | 16 | |
| 2025-12-31 | 80 | $432.2M | 14 | |
| 2025-09-30 | 78 | $437.9M | 56 | |
| 2025-06-30 | 77 | $412.5M | 0 | |
| 2025-03-31 | 75 | $362.9M | 100 | |
| 2024-12-31 | 74 | $398.1M | 0 | |
| 2024-09-30 | 77 | $391.0M | 0 | |
| 2024-06-30 | 75 | $373.4M | 0 | |
| 2024-03-31 | 74 | $353.1M | 0 | |
| 2023-12-31 | 73 | $314.3M | 0 | |
| 2023-09-30 | 71 | $293.7M | 0 | |
| 2023-06-30 | 69 | $303.1M | 0 | |
| 2023-03-31 | 62 | $274.5M | 0 | |
| 2022-12-31 | 64 | $274.5M | 0 | |
| 2022-09-30 | 73 | $276.6M | 0 | |
| 2022-06-30 | 73 | $307.7M | 0 | |
| 2022-03-31 | 71 | $390.7M | 0 | |
| 2021-12-31 | 70 | $444.3M | 0 | |
| 2021-09-30 | 70 | $437.0M | 0 | |
| 2021-06-30 | 70 | $444.4M | 100 | |
| 2021-03-31 | 70 | $389.9M | 8 | |
| 2020-12-31 | 69 | $383.8M | 15 | |
| 2020-09-30 | 64 | $356.3M | 18 | |
| 2020-06-30 | 60 | $311.6M | 33 | |
| 2020-03-31 | 68 | $250.4M | 26 | |
| 2019-12-31 | 55 | $274.1M | 15 | |
| 2019-09-30 | 57 | $259.6M | 13 | |
| 2019-06-30 | 57 | $263.5M | 12 | |
| 2019-03-31 | 55 | $252.2M | 94 | |
| 2018-12-31 | 59 | $219.4M | 84 | |
| 2018-09-30 | 62 | $302.0M | 18 | |
| 2018-06-30 | 62 | $288.5M | 21 | |
| 2018-03-31 | 63 | $281.1M | 21 | |
| 2017-12-31 | 66 | $278.4M | 14 | |
| 2017-09-30 | 65 | $263.4M | 23 | |
| 2017-06-30 | 62 | $250.4M | 20 | |
| 2017-03-31 | 63 | $236.4M | 22 | |
| 2016-12-31 | 63 | $211.5M | 25 | |
| 2016-09-30 | 66 | $218.4M | 27 | |
| 2016-06-30 | 66 | $208.2M | 55 | |
| 2015-12-31 | 63 | $218.9M | 53 | |
| 2015-09-30 | 61 | $209.5M | 61 | |
| 2015-06-30 | 71 | $249.8M | 57 | |
| 2014-12-31 | 78 | $232.4M | 47 | |
| 2014-09-30 | 73 | $222.3M | 50 | |
| 2014-06-30 | 65 | $214.1M | 19 | |
| 2014-03-31 | 67 | $210.9M | 24 | |
| 2013-12-31 | 70 | $211.3M | 42 | |
| 2013-09-30 | 65 | $186.7M | — |
Rosenblum Silverman Sutton S F Inc /ca's most significant position changes for 2026-03-31: Sold out: Nike INC -cl B (NKE); Sold out: Shopify INC - Class A (SHOP); Sold out: Ishares Russell Mid-cap Grow (IWP); Sold out: Agnc Investment CORP (AGNC); Trim: Costco Wholesale CORP (COST) — shares -1.32%.
| # | Ticker | Issuer | Weight Change | Shares Change | Action |
|---|---|---|---|---|---|
| 1 | COST | Costco Wholesale CORP | +1% | -1.32% | Trim |
| 2 | NFLX | Netflix INC | +0.7% | +0.15% | Add |
| 3 | JBND | Jpmorgan Active Bond ETF | +0.4% | +8.86% | Add |
| 4 | VCIT | Vanguard Int-term Corporate | +0.4% | +6.88% | Add |
| 5 | JMBS | Janus Henderson Mortg Backed | +0.4% | +4.79% | Add |
| 6 | NVDA | Nvidia CORP | +0.4% | -2.13% | Trim |
| 7 | XYZ | Block INC | +0.3% | +248.22% | Add |
| 8 | FLOT | Ishares Floating Rate Bond E | +0.2% | +2.52% | Add |
| 9 | SN | SharkNinja, Inc. | +0.2% | -0.93% | Trim |
| 10 | VCSH | Vanguard S/t CORP Bond ETF | +0.2% | +80.65% | Add |
| 11 | IWB | Ishares Russell 1000 ETF | +0.1% | +11.83% | Add |
| 12 | DECK | Deckers Outdoor CORP | +0.1% | -0.98% | Trim |
| 13 | DGRO | Ishares Core Dividend Growth | +0.1% | +2.67% | Add |
| 14 | AMZN | Amazon.com INC | +0.1% | -0.73% | Trim |
| 15 | VOT | Vanguard Mid-cap Growth ETF | +0.1% | +25.58% | Add |
| 16 | GOOGL | Alphabet Inc-cl A | +0.1% | -2.29% | Trim |
| 17 | HD | Home Depot INC | +0.1% | -2.57% | Trim |
| 18 | JPM | Jpmorgan Chase & Co | +0.1% | -0.36% | Trim |
| 19 | CVX | Chevron CORP | 0% | +0.09% | Add |
| 20 | CTAS | Cintas CORP | 0% | -1.07% | Trim |
| 21 | OKTA | Okta INC | 0% | +0.06% | Add |
| 22 | AMT | American Tower CORP | 0% | -8.27% | Trim |
| 23 | XYL | Xylem INC | — | +0.44% | Add |
| 24 | BAC | Bank Of America CORP | — | -0.56% | Trim |
| 25 | SGI | Somnigroup International INC | 0% | +1.76% | Add |
| 26 | GOOG | Alphabet Inc-cl C | 0% | -4.75% | Trim |
| 27 | IQV | Iqvia Holdings INC | 0% | +8.63% | Add |
| 28 | AAPL | Apple INC | -0.1% | -13.44% | Trim |
| 29 | SNPS | Synopsys INC | -0.1% | +0.47% | Add |
| 30 | META | Meta Platforms Inc-class A | -0.1% | -0.23% | Trim |
| 31 | TSLA | Tesla INC | -0.1% | -2.59% | Trim |
| 32 | WK | Workiva INC | -0.1% | +0.11% | Add |
| 33 | TMO | Thermo Fisher Scientific INC | -0.1% | -0.95% | Trim |
| 34 | DT | Dynatrace INC | -0.1% | -17.48% | Trim |
| 35 | V | Visa Inc-class A Shares | -0.2% | -0.62% | Trim |
| 36 | ZTS | Zoetis INC | -0.2% | -64.55% | Trim |
| 37 | ALNY | Alnylam Pharmaceuticals INC | -0.2% | -0.76% | Trim |
| 38 | BX | Blackstone INC | -0.2% | +0.43% | Add |
| 39 | NOW | Servicenow INC | -0.2% | -0.37% | Trim |
| 40 | PODD | Insulet CORP | -0.4% | +0.58% | Add |
| 41 | BRBR | Bellring Brands INC | -0.4% | -50.83% | Trim |
| 42 | Z | Zillow Group INC - C | -0.5% | +5.46% | Add |
| 43 | ADBE | Adobe INC | -0.5% | -11.35% | Trim |
| 44 | CRM | Salesforce INC | -0.6% | -2.27% | Trim |
| 45 | MSFT | Microsoft CORP | -0.7% | -0.47% | Trim |
| 46 | RDDT | Reddit Inc-cl A | -0.9% | -0.17% | Trim |
| 47 | NKE | Nike INC -cl B | — | EXIT | Sold out |
| 48 | SHOP | Shopify INC - Class A | — | EXIT | Sold out |
| 49 | IWP | Ishares Russell Mid-cap Grow | — | EXIT | Sold out |
| 50 | AGNC | Agnc Investment CORP | — | EXIT | Sold out |
| Period | Filed | Type | EDGAR |
|---|---|---|---|
| 2026-03-31 | 2026-05-13 | 13F-HR | View on EDGAR |
| 2025-12-31 | 2026-02-13 | 13F-HR | View on EDGAR |
| 2025-09-30 | 2025-11-13 | 13F-HR | View on EDGAR |
| 2025-06-30 | 2025-08-13 | 13F-HR | View on EDGAR |
| 2025-03-31 | 2025-05-12 | 13F-HR | View on EDGAR |
| 2024-12-31 | 2025-02-13 | 13F-HR | View on EDGAR |
| 2024-09-30 | 2024-11-14 | 13F-HR | View on EDGAR |
| 2024-06-30 | 2024-08-14 | 13F-HR | View on EDGAR |
| 2024-03-31 | 2024-05-14 | 13F-HR | View on EDGAR |
| 2023-12-31 | 2024-02-14 | 13F-HR | View on EDGAR |
| 2023-09-30 | 2023-11-13 | 13F-HR | View on EDGAR |
| 2023-06-30 | 2023-08-14 | 13F-HR | View on EDGAR |
| 2023-03-31 | 2023-05-15 | 13F-HR | View on EDGAR |
| 2022-12-31 | 2023-02-15 | 13F-HR | View on EDGAR |
| 2022-09-30 | 2022-11-15 | Amendment | View on EDGAR |
| 2022-09-30 | 2022-11-14 | 13F-HR | View on EDGAR |
| 2022-06-30 | 2022-08-10 | 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 | 2021-08-12 | 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 | 2020-11-09 | 13F-HR | View on EDGAR |
| 2020-06-30 | 2020-08-14 | 13F-HR | View on EDGAR |
| 2020-03-31 | 2020-05-15 | 13F-HR | View on EDGAR |
| 2019-12-31 | 2020-01-24 | 13F-HR | View on EDGAR |
| 2019-09-30 | 2019-11-01 | 13F-HR | View on EDGAR |
| 2019-06-30 | 2019-07-31 | 13F-HR | View on EDGAR |
| 2019-03-31 | 2019-04-25 | 13F-HR | View on EDGAR |
| 2018-12-31 | 2019-02-06 | 13F-HR | View on EDGAR |
| 2018-09-30 | 2018-11-09 | 13F-HR | View on EDGAR |
| 2018-06-30 | 2018-08-13 | 13F-HR | View on EDGAR |
| 2018-03-31 | 2018-05-10 | 13F-HR | View on EDGAR |
| 2017-12-31 | 2018-02-01 | 13F-HR | View on EDGAR |
| 2017-09-30 | 2017-10-27 | 13F-HR | View on EDGAR |
| 2017-06-30 | 2017-08-09 | 13F-HR | View on EDGAR |
| 2017-03-31 | 2017-05-12 | 13F-HR | View on EDGAR |
| 2016-12-31 | 2017-02-14 | 13F-HR | View on EDGAR |
| 2016-09-30 | 2016-11-14 | 13F-HR | View on EDGAR |
| 2016-06-30 | 2016-08-11 | 13F-HR | View on EDGAR |
| 2015-12-31 | 2016-02-16 | 13F-HR | View on EDGAR |
| 2015-09-30 | 2015-11-16 | 13F-HR | View on EDGAR |
| 2015-06-30 | 2015-08-14 | 13F-HR | View on EDGAR |
| 2014-12-31 | 2015-02-17 | 13F-HR | View on EDGAR |
| 2014-09-30 | 2014-11-21 | 13F-HR | View on EDGAR |
| 2014-06-30 | 2014-08-15 | 13F-HR | View on EDGAR |
| 2014-03-31 | 2014-05-16 | 13F-HR | View on EDGAR |
| 2013-12-31 | 2014-02-14 | 13F-HR | View on EDGAR |
| 2013-09-30 | 2013-11-14 | 13F-HR | View on EDGAR |
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