KYMR Kymera Therapeutics, Inc.
Executive Summary
A cluster of four mega-passive institutions (State Street, Morgan Stanley, Wells Fargo, BofA) added a combined $62.8M to their KYMR positions in Q3 2025, while T. Rowe Price trimmed a tiny position. All buying is passive/index-driven, with no active or activist fund participation. Despite the net $62.8M inflow, the purely passive nature of the buying and KYMR's heavy history of negative post-report drift (14% win rate at T+20) suggest the signal lacks genuine conviction.
Key Financial Metrics
Institutional Positions
Net institutional flow: $62.8M
▲ Buyers (4)
| Institution | Action | Change | Position Value | Value Δ |
|---|---|---|---|---|
| State Street | ADD | +29.9% | $114.3M | $46.5M |
| Morgan Stanley | ADD | +59% | $21.4M | $11.0M |
| BofA | ADD | +38% | $10.5M | $4.7M |
| Wells Fargo | ADD | +25.4% | $1.8M | $699.0K |
▼ Sellers (1)
| Institution | Action | Change | Prev Value | Value Δ |
|---|---|---|---|---|
| T. Rowe Price | TRIM | -25.7% | $299.0K | -$10.8K |
Actionable Insight
Monitor for entry of active managers or hedge funds as a stronger conviction signal. The all-passive buying cluster is likely index/completion fund rebalancing, not alpha-seeking conviction. Given KYMR's poor post-report drift track record, treat the cluster as noise unless follow-on 13F filings reveal activist or value-fund accumulators.
Key Facts
- 4 mega-passive institutions accumulated $62.8M in KYMR during Q3 2025.
- State Street added the most: +29.9% shares, value increasing $46.5M to $114.3M.
- No active managers, hedge funds, or family offices participated in the cluster.
- T. Rowe Price trimmed a minimal position (value drop of ~$10.8K, $289K → $289K).
- KYMR has a 93% bullish analyst consensus but the stock has historically performed poorly following past reports (14% win rate T+20).
Financial Impact
$62.8M net institutional buying concentrated among passive index funds in Q3 2025.
Risk Factors
- Passive buying may reverse on next index rebalance; no active manager signal to provide support.
- Historical reports on KYMR have a 14% T+20 win rate with average alpha of -9.46%, suggesting the stock tends to sell off after filing events.
- No fundamental catalyst provided — the cluster could represent end-of-quarter portfolio alignment rather than a directional thesis.
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-KYMR-2025-Q3 |
Track record builds as more directional reports settle.
Filters
| Type | Now | ||||
|---|---|---|---|---|---|
|
Jun 12, 2026
2d ago
|
Press Release
| $82.96 awaiting T+5 | awaiting T+5 | — | — |
|
Jun 11, 2026
3d ago
|
Institutional Cluster
| $82.43 awaiting T+5 | awaiting T+5 | — | — |
|
Jun 11, 2026
3d ago
|
Institutional Cluster
| $79.19 awaiting T+5 | awaiting T+5 | — | — |
|
Jun 8, 2026
6d ago
|
Press Release
| $73.80 awaiting T+5 | awaiting T+5 | — | — |
|
May 26, 2026
19d ago
|
144
| $81.70 $73.21 | ▼ −10.39% | ▼ −10.86% | — |
|
May 15, 2026
4w ago
|
Press Release
| $82.21 $78.89 | ▼ −4.04% | ▼ −5.00% | — |
|
May 11, 2026
4w ago
|
144
| $83.55 $79.67 | ▼ −4.64% | ▼ −4.72% | — |
|
Apr 23, 2026
7w ago
|
Press Release
| $87.17 $81.51 | ▼ −6.49% | ▼ −7.97% | — |
|
Apr 15, 2026
8w ago
|
144
| $86.14 $87.17 | ▲ +1.20% | ▲ +0.21% | — |
|
Apr 15, 2026
8w ago
|
144
| $86.14 $87.17 | ▲ +1.20% | ▲ +0.21% | — |
US Market Status
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