ATEN A10 Networks, Inc.
Executive Summary
A mixed institutional cluster in ATEN shows three buyers (Citadel, UBS, BofA) adding $6.5M in new holdings versus two sellers (D.E. Shaw, Morgan Stanley) trimming $6.7M, resulting in a near-neutral net dollar change. The buying is dominated by passive/mega-passive funds (UBS, BofA) and a quant fund (Citadel), while the largest seller is Morgan Stanley, a mega-passive manager trimming a significant position. The cluster suggests no strong directional conviction, with passive rebalancing likely driving both sides.
Key Financial Metrics
Institutional Positions
Net institutional flow: -$200.0K
▲ Buyers (3)
| Institution | Action | Change | Position Value | Value Δ |
|---|---|---|---|---|
| Citadel | ADD | +59% | $6.4M | $2.1M |
| UBS | ADD | +55.3% | $11.0M | $3.5M |
| BofA | ADD | +45% | $3.6M | $955.0K |
▼ Sellers (2)
| Institution | Action | Change | Prev Value | Value Δ |
|---|---|---|---|---|
| D.E. Shaw | TRIM | -33.3% | $413.0K | -$154.4K |
| Morgan Stanley | TRIM | -27.9% | $20.3M | -$6.6M |
Actionable Insight
The institutional cluster shows no clear directional signal — passive rebalancing appears to dominate both sides. Monitor for any active manager (value, activist, or sector-specialist) initiating a new position, which would carry more conviction. The 75% analyst bullish consensus and strong historical T+20 returns on prior ATEN reports suggest underlying business momentum, but this 13F data alone does not confirm a catalyst.
Key Facts
- 3 institutional buyers added $6.5M in aggregate, led by UBS (+$3.5M) and Citadel (+$2.1M)
- 2 institutional sellers trimmed $6.7M, led by Morgan Stanley (-$6.6M)
- Net institutional flow is essentially flat ($6.5M bought vs $6.7M sold)
- All three buyers are passive or quant funds, not active fundamental managers
- Morgan Stanley's trim reduced its position by 28%, from $20.3M to $13.7M
- D.E. Shaw's trim was small in absolute terms (-$154K), likely portfolio rebalancing
Financial Impact
3 institutions accumulated $6.5M while 2 reduced holdings by $6.7M, for a net outflow of approximately $200K
Risk Factors
- 13F data is 45+ days stale; positions may have been reversed since quarter-end
- Passive-dominated buying provides weaker signal than active manager accumulation
- Morgan Stanley's large trim could indicate institutional de-rating of the stock
Market Snapshot
Documents Analyzed
This report is based on 1 institutional 13F filing from SEC EDGAR.
| Document | Accession Number |
|---|---|
| INST-CLUSTER Data (Synthetic) | inst-cluster-ATEN-2025-Q3 |
Track record builds as more directional reports settle.
Filters
| Type | Now | ||||
|---|---|---|---|---|---|
|
Jun 11, 2026
2d ago
|
Institutional Cluster
| $31.35 awaiting T+20 | awaiting T+20 | — | — |
|
May 5, 2026
5w ago
|
144
| $26.72 $31.44 | ▲ +17.66% | ▲ +14.88% | — |
|
May 1, 2026
6w ago
|
8-K
| $27.04 $31.54 | ▲ +16.64% | ▲ +11.00% | — |
|
Apr 28, 2026
6w ago
|
8-K
| $26.63 $29.15 | ▲ +9.46% | ▲ +4.00% | — |
|
Apr 8, 2026
9w ago
|
DEFA14A
| $25.03 $27.13 | ▲ +8.39% | ▼ −0.15% | — |
US Market Status
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