SST — SYSTEM1 INC
As of Q2 2026, 7 SEC-registered investment managers reported holding SST (SYSTEM1 INC) in their latest 13F filings, with a combined reported value of $534.07K across 242.91K shares. That is -7.2% by share count (-18.96K shares) versus the previous quarter, while reported value moved -32.5%. Ownership is concentrated: the five largest holders account for 100.0% of reported value and the top ten for 100.0%.
Compared with the prior quarter, 3 opened new positions, 1 added to existing stakes, 2 trimmed, 2 exited entirely. 13F holdings are quarter-end snapshots, so these moves reflect positioning as of Q2 2026, not real-time trading.
SST is classified in the Technology sector.
All figures on this page are computed from SEC Form 13F quarterly filings. 13F filers disclose long positions of $100,000 or more within 45 days of quarter end; short positions, options overlays and intra-quarter trades are not included, so treat the numbers as a quarterly snapshot of institutional ownership rather than real-time positioning.
| Fund | Quarter | Shares | Value | Portfolio Weight | Change |
|---|---|---|---|---|---|
| D. E. Shaw & Co history | Q1 2022 | 108.21K | $1.57M | 0.00% | New |
| PSP Investments history | Q1 2022 | 66.67K | $967.00K | 0.01% | New |
| Bank of America Corp history | Q2 2026 | 161.51K | $373.10K | 0.00% | Hold |
| Marshall Wace history | Q3 2025 | 36.27K | $255.35K | 0.00% | New |
| Vanguard Group history | Q4 2025 | 46.93K | $183.98K | 0.00% | Hold |
| BlackRock Inc history | Q2 2026 | 43.35K | $100.14K | 0.00% | Add |
| Millennium Management history | Q1 2026 | 32.62K | $98.51K | 0.00% | Reduce |
| Northern Trust Corp history | Q1 2025 | 229.12K | $87.37K | 0.00% | Add |
| Deutsche Bank AG history | Q1 2025 | 146.11K | $55.52K | 0.00% | Hold |
| Renaissance Technologies history | Q1 2026 | 18.32K | $55.33K | 0.00% | Reduce |
| Citadel Advisors history | Q4 2025 | 12.76K | $50.02K | 0.00% | Add |
| Prudential Financial history | Q4 2024 | 49.91K | $44.83K | 0.00% | New |
| Morgan Stanley history | Q2 2026 | 13.13K | $30.34K | 0.00% | New |
| Geode Capital Management history | Q2 2026 | 12.52K | $28.93K | 0.00% | Reduce |
| Charles Schwab Investment Management history | Q1 2025 | 54.97K | $20.96K | 0.00% | Hold |
| BNY Mellon history | Q1 2025 | 50.37K | $19.20K | 0.00% | Hold |
| Goldman Sachs Group history | Q1 2025 | 28.26K | $10.77K | 0.00% | Reduce |
| AQR Capital Management history | Q1 2025 | 28.02K | $10.68K | 0.00% | Add |
| Point72 Asset Management history | Q1 2023 | 1.55K | $6.67K | 0.00% | New |
| Wells Fargo & Co history | Q2 2025 | 891 | $4.93K | 0.00% | Reduce |
New Positions (Q2 2026)
- Morgan Stanley 13.13K sh · $30.34K
- JPMorgan Chase & Co 42 sh · $102
- T. Rowe Price Associates 11.73K sh · $28
Fully Exited (vs previous quarter)
- Millennium Management sold 32.62K sh · $98.51K
- Renaissance Technologies sold 18.32K sh · $55.33K
Fund Position History — shares by quarter (top 20 funds)
| Fund | Q4 2021 | Q1 2022 | Q2 2022 | Q3 2022 | Q4 2022 | Q1 2023 | Q2 2023 | Q3 2023 | Q4 2023 | Q1 2024 | Q2 2024 | Q3 2024 | Q4 2024 | Q1 2025 | Q2 2025 | Q3 2025 | Q4 2025 | Q1 2026 | Q2 2026 |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Bank of America Corp | — | 18.68K | — | 300.80K | 126.44K | 2.20M | 2.17M | 1.71M | 1.70M | 1.66M | 1.69M | 1.66M | 1.67M | 1.65M | 174.29K | 161.57K | 161.55K | 161.52K | 161.51K |
| BlackRock Inc | — | — | — | — | — | — | — | — | — | — | — | 1.89M | 1.93M | 1.90M | 39.12K | 24.21K | 24.25K | 24.25K | 43.35K |
| Morgan Stanley | — | 6.10K | 13.90K | 11.45K | 3.96K | 2.06K | 31.25K | 54.52K | 123.06K | 77.64K | 48.78K | 78.81K | 68.28K | 47.90K | 1.36K | 1.09K | 439 | — | 13.13K |
| Geode Capital Management | — | 169.74K | 340.96K | 172.42K | 180.49K | 180.49K | 434.20K | 492.21K | 499.89K | 587.57K | 457.23K | 473.73K | 473.51K | 474.89K | 21.53K | 14.38K | 14.36K | 23.84K | 12.52K |
| UBS Group AG | — | — | 1.45K | — | — | 3.05K | 14.33K | 18.24K | 35.93K | 33.39K | 7.25K | 11.16K | 29.73K | 16.80K | 10.65K | 436 | 417 | 1.32K | 618 |
| JPMorgan Chase & Co | — | 5.80K | 6.12K | 7.80K | — | — | 21.04K | 21.57K | 31.87K | 13.99K | 10.77K | 33.99K | 88.54K | 38.44K | 141 | 45 | 42 | — | 42 |
| T. Rowe Price Associates | — | — | — | — | — | — | 14.35K | 14.35K | 17.60K | 17.60K | 17.60K | 17.60K | 17.60K | 17.60K | — | — | — | — | 11.73K |
| Citadel Advisors | — | 383.98K | 298.30K | 492.90K | 341.30K | 42.10K | 24.90K | 23.15K | 102.73K | — | — | 30.88K | 52.80K | 17.10K | — | 10.06K | 12.76K | — | — |
| Fidelity Management & Research (FMR) | — | — | — | — | — | — | 488 | 8.64K | 8.56K | 10.81K | 12.30K | 378 | 1.31K | 13.22K | 1.92K | 1.92K | 1.10K | — | — |
| Renaissance Technologies | — | — | — | — | — | — | — | — | — | 25.60K | 57.90K | 84.30K | 95.00K | 112.80K | 12.02K | 17.12K | 18.62K | 18.32K | — |
| Citigroup Inc | — | 78.93K | 200 | 150 | — | 41.97K | 7.38K | 16 | 4.81K | 9.09K | 29.90K | 16.96K | 18.94K | 17.84K | 37 | 38 | — | — | — |
| Marshall Wace | 982.59K | — | — | — | — | — | — | — | — | — | — | — | — | — | — | 36.27K | — | — | — |
| Millennium Management | — | 443.54K | 690.29K | 49.89K | 87.34K | 19.39K | — | — | — | 61.04K | 210.06K | 194.85K | 112.85K | — | 42.78K | 38.56K | 35.45K | 32.62K | — |
| Vanguard Group | — | 236.88K | 257.02K | 1.01M | 1.10M | 1.10M | 1.20M | 1.25M | 1.26M | 1.26M | 573.00K | 649.22K | 644.86K | 628.76K | 47.31K | 46.93K | 46.93K | — | — |
| Point72 Asset Management | — | — | — | — | — | 1.55K | — | — | — | — | — | — | — | — | — | — | — | — | — |
| Goldman Sachs Group | — | 57.95K | — | 70.06K | 10.00K | 20.62K | 34.61K | 24.26K | 24.04K | 13.59K | 203.01K | 47.58K | 65.45K | 28.26K | — | — | — | — | — |
| Deutsche Bank AG | — | — | — | — | — | — | — | — | — | — | 30.24K | 30.24K | 146.11K | 146.11K | — | — | — | — | — |
| AQR Capital Management | — | — | — | — | — | — | — | — | — | — | 14.84K | 13.80K | 18.27K | 28.02K | — | — | — | — | — |
| BNY Mellon | — | — | — | — | 32.35K | 29.34K | 92.63K | 94.83K | 74.14K | 75.88K | 72.39K | 50.37K | 50.37K | 50.37K | — | — | — | — | — |
| D. E. Shaw & Co | — | 108.21K | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
▲ Bought Low (fund opened/added, stock rose ≥5% next quarter) ▼ Sold High (fund reduced, stock fell ≥5% next quarter)
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