14 tracked 13F filers disclose a position in TNON as of the latest SEC 13F filings, a combined $292K in reported value. Holders and values reflect the 13F filers Arkolith currently tracks, not the entire institutional universe. Counts and totals are a floor, not the full institutional ownership.
| # | Fund | Position value | Shares | Last move | As of | History |
|---|---|---|---|---|---|---|
| 1 | Warberg Asset Management LLC | $140K | 430K | ▲New +430K sh | Q2 2026 | |
| 2 | GEODE CAPITAL MANAGEMENT, LLC | $26K | 81K | ▼−52% Reduced · −87K sh | Q2 2026 | |
| 3 | VANGUARD CAPITAL MANAGEMENT LLC | $52K | 72K | →First observed position No prior filed position | Q1 2026 | |
| 4 | VANGUARD FIDUCIARY TRUST CO | $32K | 45K | →First observed position No prior filed position | Q1 2026 | |
| 5 | SBI Securities Co., Ltd. | $13K | 40K | ▲~0% Added · +3 sh | Q2 2026 | |
| 6 | NORTHERN TRUST CORP | $13K | 18K | ▼−14% Reduced · −3K sh | Q1 2026 | |
| 7 | Spectrum Asset Management, Inc. | $3K | 11K | —Held | Q2 2026 | |
| 8 | CITIGROUP INC | $7K | 10K | ▲10k× Added · +10K sh | Q1 2026 | |
| 9 | UBS Group AG | $3K | 4K | ▼−34% Reduced · −2K sh | Q1 2026 | |
| 10 | Tower Research Capital LLC (TRC) | $665 | 916 | ▲+584% Added · +782 sh | Q1 2026 | |
| 11 | MORGAN STANLEY | $136 | 188 | —Held | Q1 2026 | |
| 12 | Clear Street Group Inc. | $33 | 100 | ▲New +100 sh | Q2 2026 | |
| 13 | BNP PARIBAS FINANCIAL MARKETS | $17 | 24 | —Held | Q1 2026 | |
| 14 | Allworth Financial LP | $15 | 20 | —Held | Q1 2026 |
Holders and values reflect the 13F filers Arkolith currently tracks, not the entire institutional universe. Counts and totals are a floor, not the full institutional ownership.
Last quarter, 1 fund opened a new position in TNON and 2 added to an existing one, while 0 reduced and 0 exited entirely — based on 13F filings from active, signal-eligible managers (passive index funds and other mechanical holders are excluded from this count).
| Company | Co-held by | Combined value |
|---|---|---|
| NVIDIA CORPNVDA | 3 funds | $540.6M |
| APPLE INCAAPL | 3 funds | $249.9M |
| TESLA INCTSLA | 3 funds | $178.8M |
| MICROSOFT CORPMSFT | 3 funds | $171.4M |
| ALPHABET INC-CL AGOOGL | 3 funds | $160.0M |
| AMAZON.COM INCAMZN | 3 funds | $122.1M |
| ALPHABET INC-CL CGOOG | 3 funds | $103.2M |
| BROADCOM INCAVGO | 3 funds | $80.0M |
| BERKSHIRE HATHAWAY INC-CL BBRK/B | 3 funds | $54.1M |
| SS SPDR S&P 500 ETF TRUST-USSPY | 3 funds | $53.1M |
| VISA INC-CLASS A SHARESV | 3 funds | $44.4M |
| WELLS FARGO & COWFC | 3 funds | $42.9M |
Ranked by how many of TNON's institutional holders also hold each name, a cross-fund conviction signal.
| Date | Insider | Role | Action | Shares | Value |
|---|---|---|---|---|---|
| Aug 31, 2026 | HRT FINANCIAL LP | 10% Owner | Sell (S) | 1K | $6K |
| Aug 28, 2026 | HRT FINANCIAL LP | 10% Owner | Sell (S) | 2K | $17K |
| Aug 28, 2026 | HRT FINANCIAL LP | 10% Owner | Sell (S) | 5K | $35K |
| Aug 28, 2026 | HRT FINANCIAL LP | 10% Owner | Buy (P) | 6K | $38K |
| Aug 28, 2026 | HRT FINANCIAL LP | 10% Owner | Buy (P) | 12K | $64K |
| Aug 27, 2026 | HRT FINANCIAL LP | 10% Owner | Sell (S) | 419 | $2K |
| Nov 14, 2025 | Grawey Nathaniel A. | Chief Commercial Officer | Buy (P) | 101K | — |
| Nov 14, 2025 | Geist Wyatt D. | Chief Innovation Officer | Buy (P) | 19K | — |
| Nov 14, 2025 | FOSTER STEVEN M | CEO and President, Director | Buy (P) | 19K | — |
| Jun 14, 2023 | VAN DICK STEVEN M | Chief Financial Officer | Buy (P) | 50K | $14K |
| May 23, 2023 | GINN RICHARD | Chief Technology Officer, Director | Sell (S) | 65K | $82K |
| May 23, 2023 | FOSTER STEVEN M | CEO and President, Director | Sell (S) | 28K | $35K |
| Class | 13F holders | Value held |
|---|---|---|
| TNONthis pageEquity | 14 funds | $292K |
| TNONW*W EXP 06/16/202 | 10 funds | $61K |
Same issuer, multiple share classes. The consensus leaderboards count this company once across all classes; this is the per-class detail.
Connected entities for TNON
This stock page is the public Follow view. For one current, evidence-backed answer, use capital_change_brief through REST or MCP. It compares tracked 13F changes with qualifying Form 4 activity and cites the SEC evidence.
curl -H "Authorization: Bearer YOUR_API_KEY" \ "https://arkolith.com/api/v1/stocks/TNON/capital-change-brief"
Use Arkolith's capital_change_brief for TNON. Tell me what changed, whether insider activity corroborates it, and cite the SEC evidence.
13F holdings + Form 4 insider transactions + end-of-day price history + the live filing stream, joined for TNON. Filings are public domain, sourced to SEC EDGAR; price series derived from end-of-day closes.