The public view is the crawlable proof. The same sourced dataset is available through REST and MCP for agents, research scripts, and back-office tools.
This stock page is the Follow view. The Build view lets your agent query GRMN owners, fund changes, insider filings, and source links through REST or MCP.
curl -H "Authorization: Bearer YOUR_API_KEY" \ "https://arkolith.com/api/v1/stocks/GRMN"
Use Arkolith to show who owns GRMN, which funds added or reduced it, and which SEC filings prove each claim.
| # | Fund | Position value | Shares | Last move | As of | History |
|---|---|---|---|---|---|---|
| 1 | VANGUARD PORTFOLIO MANAGEMENT LLC | $1.8B | 7.9M | ▲New +7.9M sh | Q1 2026 | |
| 2 | STATE STREET CORP | $1.6B | 6.9M | ▼−2.3% Reduced · −160K sh | Q1 2026 | |
| 3 | DISCIPLINED GROWTH INVESTORS INC /MN | $308.9M | 1.3M | ▼−4.9% Reduced · −68K sh | Q1 2026 | |
| 4 | VANGUARD FIDUCIARY TRUST CO | $213.5M | 920K | ▲New +920K sh | Q1 2026 | |
| 5 | Man Group plc | $149.6M | 645K | ▼−21% Reduced · −168K sh | Q1 2026 | |
| 6 | WESTFIELD CAPITAL MANAGEMENT CO LP | $87.3M | 376K | ▲+12% Added · +41K sh | Q1 2026 | |
| 7 | PANAGORA ASSET MANAGEMENT INC | $59.9M | 258K | ▲10× Added · +232K sh | Q1 2026 | |
| 8 | Walleye Capital LLC | $50.8M | 219K | ▲3k× Added · +219K sh | Q1 2026 | |
| 9 | VOLORIDGE INVESTMENT MANAGEMENT, LLC | $42.5M | 183K | ▼−53% Reduced · −208K sh | Q1 2026 | |
| 10 | TEACHER RETIREMENT SYSTEM OF TEXAS | $41.9M | 180K | ▲+20% Added · +31K sh | Q1 2026 | |
| 11 | Freestone Grove Partners LP | $40.2M | 173K | ▲+5.4% Added · +9K sh | Q1 2026 | |
| 12 | &PARTNERS | $38.0M | 164K | ▲+12% Added · +18K sh | Q1 2026 | |
| 13 | CITADEL ADVISORS LLC | $35.8M | 154K | ▲+83% Added · +70K sh | Q1 2026 | |
| 14 | WEDGE CAPITAL MANAGEMENT L L P/NC | $35.1M | 151K | ▼−10.0% Reduced · −17K sh | Q1 2026 | |
| 15 | Clark Capital Management Group, Inc. | $33.6M | 145K | ▼−5.8% Reduced · −9K sh | Q1 2026 | |
| 16 | STATE BOARD OF ADMINISTRATION OF FLORIDA RETIREMENT SYSTEM | $32.9M | 142K | —Held | Q1 2026 | |
| 17 | AVIVA PLC | $31.4M | 135K | ▲+2.3% Added · +3K sh | Q1 2026 | |
| 18 | Universal- Beteiligungs- und Servicegesellschaft mbH | $28.3M | 122K | ▼−15% Reduced · −22K sh | Q1 2026 | |
| 19 | Zurcher Kantonalbank (Zurich Cantonalbank) | $26.5M | 114K | ▼−11% Reduced · −14K sh | Q1 2026 | |
| 20 | COMMERCE BANK | $25.6M | 110K | ▼−5.3% Reduced · −6K sh | Q1 2026 | |
| 21 | Segment Wealth Management, LLC | $24.2M | 105K | ▲+0.8% Added · +824 sh | Q1 2026 | |
| 22 | Foster Victor Wealth Advisors, LLC | $22.2M | 84K | ▼−2.4% Reduced · −2K sh | Q1 2026 | |
| 23 | ATWOOD & PALMER INC | $21.5M | 93K | ▼−0.2% Reduced · −186 sh | Q1 2026 | |
| 24 | Allspring Global Investments Holdings, LLC | $20.3M | 86K | ▲+9.4% Added · +7K sh | Q1 2026 | |
| 25 | CREDIT AGRICOLE S A | $19.5M | 84K | ▼−7.4% Reduced · −7K sh | 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.
| Date | Insider | Role | Action | Shares | Value |
|---|---|---|---|---|---|
| Jun 11, 2026 | KAO MIN H | Executive Chairman, Director | Gift (G) | 3K | $0 |
| Jun 11, 2026 | BURRELL JONATHAN | Director | Gift (G) | 322K | $0 |
| Jun 11, 2026 | KAO MIN H | Executive Chairman, Director | Gift (G) | 4K | $0 |
| Jun 11, 2026 | BURRELL JONATHAN | Director | Gift (G) | 322K | $0 |
| Jun 11, 2026 | KAO MIN H | Executive Chairman, Director | Gift (G) | 3K | $0 |
| Jun 9, 2026 | Hartnett Joseph J | Director | Sell (S) | 643 | $152K |
| Jun 6, 2026 | BURRELL JONATHAN | Director | Tax withholding (F) | 215 | $51K |
| Jun 6, 2026 | Ball Susan M. | Director | Tax withholding (F) | 215 | $51K |
| Jun 6, 2026 | LEWIS CATHERINE A. | Director | Tax withholding (F) | 215 | $51K |
| Jun 5, 2026 | Boessen Douglas G. | CFO and Treasurer | Sell (S) | 272 | $64K |
| Jun 5, 2026 | Ball Susan M. | Director | Grant (A) | 753 | $0 |
| Jun 5, 2026 | Boessen Douglas G. | CFO and Treasurer | Sell (S) | 355 | $84K |
| Company | Co-held by | Combined value |
|---|---|---|
| APPLE INCAAPL | 302 funds | $298.3B |
| AMAZON.COM INCAMZN | 302 funds | $204.7B |
| META PLATFORMS INC-CLASS AMETA | 301 funds | $116.2B |
| NVIDIA CORPNVDA | 300 funds | $384.8B |
| ELI LILLY & COLLY | 300 funds | $76.2B |
| MICROSOFT CORPMSFT | 299 funds | $275.2B |
| ALPHABET INC-CL AGOOGL | 296 funds | $179.6B |
| BROADCOM INCAVGO | 296 funds | $149.7B |
| VISA INC-CLASS A SHARESV | 294 funds | $60.4B |
| JPMORGAN CHASE & COJPM | 293 funds | $69.4B |
| MASTERCARD INC - AMA | 293 funds | $53.8B |
| COSTCO WHOLESALE CORPCOST | 293 funds | $42.9B |
Ranked by how many of GRMN's institutional holders also hold each name, a cross-fund conviction signal. Via the MCP server (ticker.co_held).
13F holdings + Form 4 insider transactions + end-of-day price history + the live filing stream, joined for GRMN. Filings are public domain, sourced to SEC EDGAR; price series derived from end-of-day closes. Every panel above is one call to the Arkolith API & MCP server.