A top-3 institutional holder has cut its stake by roughly 20% of its prior position. Monitor for further selling by other large holders (BlackRock, UBS) and watch for any shift by Grantham from passive to active filing (13D) if the reduction continues.
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Executive Summary
Grantham, Mayo, Van Otterloo & Co. LLC filed an amended Schedule 13G for Array Technologies, reporting a decrease in its passive stake from 12.0% (18,475,765 shares as of September 30, 2026 per BlackRock's filing) to 9.52% (14,672,398 shares as of September 30, 2026). This represents a reduction of approximately 3.8 million shares or about 2.5 percentage points of ownership, signaling a notable reduction in exposure by a top institutional holder.
Key Financial Metrics
Key Facts
- Grantham, Mayo, Van Otterloo & Co. LLC reported beneficial ownership of 14,672,398 shares of Array Technologies common stock as of September 30, 2026.
- The stake represents 9.52% of shares outstanding, down from the prior reported level of approximately 12.0% (based on BlackRock's September 30 filing showing 18,475,765 shares).
- The filing is an amendment to Schedule 13G under Rule 13d-1(b), confirming passive investment intent.
- The reduction of roughly 3.8 million shares (about 2.5 percentage points) is a material decrease by a top-3 institutional holder.
Financial Impact
Grantham reduced its stake by approximately 3.8 million shares, valued at roughly $13M based on the current market cap of $548M and ~154M shares outstanding (implied price ~$3.56/share).
Risk Factors
- Continued institutional selling pressure if other large holders follow Grantham's lead.
- Potential further dilution or negative catalysts that may have prompted the reduction.
- The filing does not disclose the reason for the sale; could be portfolio rebalancing or fundamental concerns.
Market Snapshot
Investment Themes
Documents Analyzed
This report is based on 3 SEC documents filed with EDGAR.
| Document | Accession Number |
|---|---|
| SC 13G/A Filing (Primary) | 0001352662-26-000012 |
| Document: 0001352662-26-000012-index.html | 0001352662-26-000012 |
| Document: 0001352662-26-000012.txt | 0001352662-26-000012 |
Filters
| Type | Now | ||||
|---|---|---|---|---|---|
Nov 4, 2026 today | 8-K | $5.58 | awaiting T+1 | awaiting T+1 | $5.39 (−3.32%) |
Nov 4, 2026 today | 8-K | No price | awaiting T+1 | awaiting T+1 | No price |
Nov 4, 2026 today | Press Release | $3.83 | awaiting T+1 | awaiting T+1 | $5.39 (−40.86%) |
Nov 3, 2026 1d ago | SC 13G/A | $3.95 | awaiting T+1 | awaiting T+1 | $5.39 (−36.76%) |
Oct 27, 2026 7d ago | SC 13G/A | $3.56 $3.56 | · 0.00% | ▲ +0.38% | $5.39 (+51.54%) |
Oct 16, 2026 18d ago | Institutional Cluster | $3.26 $3.33 | ▲ +2.15% | ▲ +1.81% | $5.39 (+65.49%) |
Oct 12, 2026 23d ago | Institutional Cluster | $3.60 $3.57 | ▼ −0.83% | ▼ −0.82% | $5.39 (+49.86%) |
Aug 31, 2026 9w ago | Press Release | $4.36 $4.57 | ▲ +4.82% | ▲ +4.37% | $5.39 (+23.74%) |
Aug 20, 2026 10w ago | 8-K | $4.71 $4.69 | ▼ −0.42% | ▼ −0.83% | $5.39 (+14.54%) |
Jul 13, 2026 16w ago | Press Release | $6.12 $6.28 | ▲ +2.61% | ▲ +2.26% | $5.39 (−11.85%) |
US Market Status
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