$OS is held by 3 managers from the Top-Performer cohort as of Q1 2026. Position weights range from 0.00% to 0.31%, with an average of 0.11% of portfolio. Largest holder: Oxford Asset Management LLP at 0.31%. A weekly Smart-Money commentary for this ticker has not been generated yet this batch — the table below shows the full cohort positioning.
ONESTREAM INC
13F holders
184
Net 13F flow · Q
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Insider buys · 90d
0
Insider net · 90d
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Congress · 90d
0
Convergence
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Institutional holders
Top 10 of 184 · Source: 13F-HR01
Canandaigua National Bank & Trust Co.
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02
Old Mission Capital LLC
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03
ProShare Advisors LLC
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04
Brooktree Capital Management
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05
rebel Financial LLC
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06
Steel Grove Capital Advisors, LLC
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07
Evergreen Capital Management LLC
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08
Champlain Investment Partners, LLC
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09
Orrstown Financial Services Inc.
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10
Ninety One UK Ltd
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Each fund name links to that filer's expert page. Share counts and per-fund weights are pending the 13F ingest fix (portfolios_expertholding.units is currently mis-populated — see the same caveat on the fund detail page's holdings table). Quarter-over-quarter delta ships with the metrics pipeline.
Smart Money · top-200 alpha cohort
3 holders · Q1 202601
Oxford Asset Management LLP
0.31% held
α +10.3pts
02
Citigroup Inc.
0.01% held
α +26.3pts
03
UBS AM, a distinct business unit of UBS ASSET MANAGEMENT AMERICAS LLC
0.00% held
α +27.5pts
Smart Money shows holdings from our Top-Performer cohort — the 200 highest-alpha manager_13f funds in our universe. Position weight (current quarter) and QoQ delta versus prior quarter. α is the manager's annual alpha vs benchmark.
Insider activity · last 90 days
36 transactions · 7 filersTransaction codes: P open-market purchase · S sale · M option exercise · A grant · F tax-withhold sale. Insider names link to each individual's expert page.
Congress trades · last 90 days
No Congress trades
No STOCK Act filings reference $OS in the recent window.
Convergence · Pattern Engine ships in v1.1
30-day windowIn development
Convergence detection for $OS lands with the Pattern Engine.
Once the Pattern Engine ships, this section will surface every active convergence event involving $OS — the institutional managers and Congress members on the same name, the 30-day window, and the combined position size.
Source data: SEC EDGAR · 13F-HR · Form 4 · CapitolTrades · Last refreshed 09:30 UTC.