Among active 13F managers last quarter, 17 opened and 13 added, while 12 reduced; the largest holder to move was Silvercrest Asset Management Group LLC (new position). Over the last 180 days, 2 insiders sold and none bought, a net -$4.9M in open-market trades.
The legs disagree, or only one of them leans.
115 tracked 13F filers disclose a position in TSSI as of the latest SEC 13F filings, a combined $136.4M 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 | Shares | Position value | Last move | As of | History |
|---|---|---|---|---|---|---|
| 1 | BlackRock, Inc. | 2.3M | $28.6M | ▲+31% Added · +551K sh | Q2 2026 | |
| 2 | Vanguard Capital Management LLC | 967K | $11.9M | ▼−0.2% Reduced · −2K sh | Q2 2026 | |
| 3 | Jane Street Group, LLC | 658K | $8.6M | ▲+173% Added · +417K sh | Q1 2026 | |
| 4 | Geode Capital Management, LLC | 627K | $7.7M | ▲+8.9% Added · +51K sh | Q2 2026 | |
| 5 | UBS Group AG | 522K | $6.8M | ▲+65% Added · +205K sh | Q1 2026 | |
| 6 | State Street Corp | 484K | $6.0M | ▲+14% Added · +59K sh | Q2 2026 | |
| 7 | Silvercrest Asset Management Group LLC | 417K | $5.4M | ▲New +417K sh | Q1 2026 | |
| 8 | Millennium Management LLC | 370K | $4.8M | ▼−57% Reduced · −495K sh | Q1 2026 | |
| 9 | LPL Financial LLC | 343K | $4.5M | ▲+83% Added · +155K sh | Q1 2026 | |
| 10 | Algert Global LLC | 342K | $4.2M | ▲33× Added · +332K sh | Q2 2026 | |
| 11 | Marshall Wace, LLP | 325K | $4.2M | ▲New +325K sh | Q1 2026 | |
| 12 | Value Aligned Research Advisors, LLC | 261K | $3.2M | ▼−43% Reduced · −199K sh | Q2 2026 | |
| 13 | Rockefeller Capital Management L.P. | 217K | $2.8M | ▲+111% Added · +114K sh | Q1 2026 | |
| 14 | D. E. Shaw & Co., Inc. | 186K | $2.4M | ▲+150% Added · +112K sh | Q1 2026 | |
| 15 | Wells Fargo & Company | 173K | $2.3M | ▲+287% Added · +129K sh | Q1 2026 | |
| 16 | Vanguard Portfolio Management LLC | 169K | $2.1M | ▲+29% Added · +38K sh | Q2 2026 | |
| 17 | Northern Trust Corp | 165K | $2.2M | ▲+2.6% Added · +4K sh | Q1 2026 | |
| 18 | Vanguard Fiduciary Trust Co | 165K | $2.0M | ▲+3.0% Added · +5K sh | Q2 2026 | |
| 19 | Alyeska Investment Group, L.P. | 156K | $1.9M | ▲New +156K sh | Q2 2026 | |
| 20 | Citadel Advisors LLC | 141K | $1.7M | ▲Added Added · +141K sh | Q2 2026 | |
| 21 | Goldman Sachs Group Inc | 124K | $1.6M | ▲+110% Added · +65K sh | Q1 2026 | |
| 22 | Morgan Stanley | 114K | $1.5M | ▼−31% Reduced · −52K sh | Q1 2026 | |
| 23 | Crown Advisors Management, Inc. | 100K | $1.2M | ▲New +100K sh | Q2 2026 | |
| 24 | Y-Intercept (Hong Kong) Ltd | 91K | $1.1M | ▲New +91K sh | Q2 2026 | |
| 25 | Point72 Asset Management, L.P. | 90K | $1.1M | ▲Added Added · +90K sh | Q2 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, 17 funds opened a new position in TSSI and 13 added to an existing one, while 12 reduced. 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 | Their position there |
|---|---|---|
| Nvidia CorpNVDA | 58 funds | $160.3B |
| Amazon.com IncAMZN | 56 funds | $73.2B |
| Microsoft CorpMSFT | 55 funds | $89.7B |
| Broadcom IncAVGO | 55 funds | $67.4B |
| Meta Platforms Inc-Class AMETA | 55 funds | $44.3B |
| Micron Technology IncMU | 55 funds | $27.6B |
| Eli Lilly & CoLLY | 54 funds | $34.0B |
| Advanced Micro DevicesAMD | 54 funds | $28.6B |
| Lam Research CorpLRCX | 54 funds | $17.9B |
| Applied Materials IncAMAT | 54 funds | $17.9B |
| General Dynamics CorpGD | 54 funds | $2.9B |
| Apple IncAAPL | 53 funds | $110.3B |
Ranked by how many of TSSI's tracked holders also hold each name. The last column is those co-holders' combined reported position in that name, not in TSSI.
| Date | Insider | Role | Action | Shares | Value |
|---|---|---|---|---|---|
| Jun 3, 2026 | Woodward Peter H | Director | Sell (S) 2 lots, same day | 300K | $4.8M |
| Jun 3, 2026 | Brennan Kieran | Senior Vice President | Sell (S) | 10K | $160K |
| Mar 16, 2026 | Brennan Kieran | Senior Vice President | Sell (S) | 12K | $147K |
| Dec 11, 2025 | Woodward Peter H | Director | Sell (S) | 22K | $180K |
| Dec 9, 2025 | Woodward Peter H | Director | Sell (S) | 30K | $265K |
| Nov 18, 2025 | Fahy Michael John | Director | Buy (P) | 5K | $40K |
| Sep 10, 2025 | Marrott Karl Todd | Chief Operating Officer | Sell (S) | 11K | $179K |
| Sep 10, 2025 | Chism Daniel M | Chief Financial Officer | Sell (S) | 15K | $243K |
| Aug 28, 2025 | Marrott Karl Todd | Chief Operating Officer | Sell (S) | 24K | $386K |
| Aug 28, 2025 | Chism Daniel M | Chief Financial Officer | Sell (S) | 5K | $81K |
| Aug 27, 2025 | Marrott Karl Todd | Chief Operating Officer | Sell (S) | 3K | $47K |
| Aug 27, 2025 | Chism Daniel M | Chief Financial Officer | Sell (S) | 10K | $163K |
One row per insider, day and transaction code; shares and value are summed across the lots. Every lot is on the full insider page and in the filing.
Where institutional funds (13F), corporate insiders (Form 4) and US House members (STOCK Act) are buying or selling the same name in the same window. Green is buying, red is selling.
Insiders and Congress: last 180 days. Funds: latest 13F, top 100 holders incl. passive
| Source | Buying | Selling | Net |
|---|---|---|---|
13F funds Top 100 holders by value, passive included; the hero counts active managers only | 46 | 20 | – |
Insiders Form 4 open-market | 0 | 2 | -$4.9M |
US House STOCK Act trades | 0 | 0 | $0 |
Capital Rotation reports where institutional capital disclosed rotating, as of the latest public SEC 13F filings. It is data, not investment advice, a recommendation, or a prediction. Filings lag about 45 days and cover long US equity positions only. Past disclosed flows do not indicate future prices. Do your own research; consult a licensed advisor.
Connected entities for TSSI
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/TSSI/capital-change-brief"
Use Arkolith's capital_change_brief for TSSI. 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 TSSI. Filings are public domain, sourced to SEC EDGAR; price series derived from end-of-day closes.