74 tracked 13F filers disclose a position in MNTN as of the latest SEC 13F filings, a combined $143.3M 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 | FMR LLC | $24.9M | 2.8M | ▲+0.1% Added · +2K sh | Q1 2026 | |
| 2 | Greycroft LP | $18.1M | 2.1M | —Held | Q1 2026 | |
| 3 | VANGUARD CAPITAL MANAGEMENT LLC | $12.6M | 1.4M | →First observed position No prior filed position | Q1 2026 | |
| 4 | Qube Research & Technologies Ltd | $6.9M | 784K | ▲+63% Added · +304K sh | Q1 2026 | |
| 5 | FEDERATED HERMES, INC. | $6.1M | 690K | ▲+1.5% Added · +10K sh | Q1 2026 | |
| 6 | RENAISSANCE TECHNOLOGIES LLC | $5.7M | 646K | ▲+41% Added · +187K sh | Q1 2026 | |
| 7 | MILLENNIUM MANAGEMENT LLC | $5.6M | 632K | ▲+61% Added · +240K sh | Q1 2026 | |
| 8 | CITADEL ADVISORS LLC | $5.6M | 631K | ▲+14% Added · +79K sh | Q1 2026 | |
| 9 | SUSQUEHANNA INTERNATIONAL GROUP, LLP | $4.4M | 505K | ▲11× Added · +461K sh | Q1 2026 | |
| 10 | BNP PARIBAS FINANCIAL MARKETS | $4.3M | 484K | ▲+2.9% Added · +14K sh | Q1 2026 | |
| 11 | D. E. Shaw & Co., Inc. | $4.2M | 476K | ▲New +476K sh | Q1 2026 | |
| 12 | Mariner, LLC | $3.2M | 361K | ▲+0.2% Added · +691 sh | Q1 2026 | |
| 13 | Proem Advisors LLC | $2.9M | 325K | ▲New +325K sh | Q1 2026 | |
| 14 | Trexquant Investment LP | $2.5M | 282K | ▲+60% Added · +106K sh | Q1 2026 | |
| 15 | MARSHALL WACE, LLP | $2.5M | 281K | ▲+750% Added · +248K sh | Q1 2026 | |
| 16 | Man Group plc | $2.4M | 269K | ▲+115% Added · +144K sh | Q1 2026 | |
| 17 | Militia Capital Management LLC | $2.4M | 268K | ▲New +268K sh | Q1 2026 | |
| 18 | BlackRock, Inc. | $2.3M | 262K | ▼−89% Reduced · −2.1M sh | Q1 2026 | |
| 19 | BALYASNY ASSET MANAGEMENT L.P. | $1.9M | 210K | ▲New +210K sh | Q1 2026 | |
| 20 | Point72 Asset Management, L.P. | $1.8M | 206K | ▲+3.2% Added · +6K sh | Q1 2026 | |
| 21 | ZAZOVE ASSOCIATES LLC | $1.8M | 200K | ▼−28% Reduced · −77K sh | Q2 2026 | |
| 22 | UBS Group AG | $1.5M | 172K | ▼−40% Reduced · −117K sh | Q1 2026 | |
| 23 | JPMORGAN CHASE & CO | $1.4M | 162K | ▼−53% Reduced · −181K sh | Q1 2026 | |
| 24 | Uniplan Investment Counsel, Inc. | $1.4M | 160K | ▲+63% Added · +62K sh | Q1 2026 | |
| 25 | Engineers Gate Manager LP | $1.3M | 152K | ▲+457% Added · +124K 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.
Last quarter, 10 funds opened a new position in MNTN and 16 added to an existing one, while 7 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 |
|---|---|---|
| MICROSOFT CORPMSFT | 33 funds | $8.4B |
| META PLATFORMS INC-CLASS AMETA | 32 funds | $5.8B |
| NVIDIA CORPNVDA | 31 funds | $15.1B |
| AMAZON.COM INCAMZN | 31 funds | $9.4B |
| BROADCOM INCAVGO | 31 funds | $5.8B |
| MICRON TECHNOLOGY INCMU | 30 funds | $3.2B |
| COSTCO WHOLESALE CORPCOST | 30 funds | $2.1B |
| SPOTIFY TECHNOLOGY SASPOT | 30 funds | $2.1B |
| ELI LILLY & COLLY | 30 funds | $2.0B |
| ALPHABET INC-CL AGOOGL | 29 funds | $7.8B |
| APPLIED MATERIALS INCAMAT | 29 funds | $2.3B |
| SERVICENOW INCNOW | 29 funds | $1.4B |
Ranked by how many of MNTN's institutional holders also hold each name, a cross-fund conviction signal.
| Date | Insider | Role | Action | Shares | Value |
|---|---|---|---|---|---|
| Dec 3, 2025 | Partovi Hadi | Director | Sell (S) | 87K | $1.2M |
| Dec 2, 2025 | Partovi Hadi | Director | Sell (S) | 168K | $2.3M |
| Dec 1, 2025 | Partovi Hadi | Director | Sell (S) | 193K | $2.6M |
| May 23, 2025 | QUALCOMM INC/DE | 10% Owner | Sell (S) | 413K | $6.6M |
| May 23, 2025 | Innes Christopher Lee | Chief Operating Officer | Sell (S) | 177K | $2.8M |
| May 23, 2025 | Hot Springs Capital I LLC | Director, 10% Owner | Sell (S) | 900K | $14.4M |
| May 23, 2025 | Pohlen Patrick | Chief Financial Officer | Sell (S) | 255K | $4.1M |
| May 23, 2025 | Partovi Hadi | Director | Sell (S) | 50K | $800K |
| May 23, 2025 | SETTLE DANA R | Director | Sell (S) | 800K | $12.8M |
| May 23, 2025 | Baroda Ventures LLC | 10% Owner | Sell (S) | 532K | $8.5M |
| May 23, 2025 | Mercato Partners Growth III GP, LLC | 10% Owner | Sell (S) | 300K | $4.8M |
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/MNTN/capital-change-brief"
Use Arkolith's capital_change_brief for MNTN. 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 MNTN. Filings are public domain, sourced to SEC EDGAR; price series derived from end-of-day closes.