Ultra Clean Holdings
UCTT
438 hedge funds and large institutions have $6.5B invested in Ultra Clean Holdings in 2026 Q2 according to their latest regulatory filings, with 146 funds opening new positions, 95 increasing their positions, 163 reducing their positions, and 32 closing their positions.
856% more call options, than puts
Call options by funds: $735M | Put options by funds: $76.9M
356% more first-time investments, than exits
New positions opened: 146 | Existing positions closed: 32
150% more funds holding in top 10
Funds holding in top 10: 4 → 10 (+6)
133% more capital invested
Capital invested by funds: $2.8B → $6.5B (+$3.71B)
32% more funds holding
Funds holding: 331 → 438 (+107)
3.93% more ownership
Funds ownership: 98.98% → 102.91% (+3.9%)
42% less repeat investments, than reductions
Existing positions increased: 95 | Existing positions reduced: 163
Top Buyers
| Rank | Fund | Capital Flow |
|---|---|---|
| 1 |
Capital World Investors
Los Angeles,
California
|
+$227M |
| 2 |
Invesco
Atlanta,
Georgia
|
+$129M |
| 3 |
AllianceBernstein
Nashville,
Tennessee
|
+$64.8M |
| 4 |
Franklin Resources
San Mateo,
California
|
+$29.9M |
| 5 |
T. Rowe Price Investment Management
Baltimore,
Maryland
|
+$25M |
Top Sellers
| Rank | Fund | Capital Flow |
|---|---|---|
| 1 |
FCM
Frontier Capital Management
Boston,
Massachusetts
|
-$98.6M |
| 2 |
SG Americas Securities
New York
|
-$49.6M |
| 3 |
D.E. Shaw & Co
New York
|
-$49.6M |
| 4 |
CCPM
Cooper Creek Partners Management
New York
|
-$36.5M |
| 5 |
Morgan Stanley
New York
|
-$31.9M |
UCTT Hedge Fund Activity: Q2 2026 in Review
438 of the 8,305 institutional investors tracked by Wall St. Rank reported a position in Ultra Clean Holdings (UCTT) for Q2 2026, worth a combined $6.5B — up 133% from $2.8B a quarter earlier.
Buyers outnumbered sellers: 146 funds opened new UCTT positions and 32 closed out — a net gain of 114 holders — while 95 added to existing stakes and 163 trimmed.
The largest buyer was Capital World Investors, opening a new position worth an estimated $227M. The largest seller was Frontier Capital Management, cutting an estimated $98.6M.
- 438 institutional investors held Ultra Clean Holdings (UCTT) as of Q2 2026, up from 331 in Q1 2026.
- Funds reported $6.5B of Ultra Clean Holdings stock for Q2 2026, up 133% quarter-over-quarter.
- 146 funds opened new Ultra Clean Holdings positions in Q2 2026 and 32 closed out, a net change of +114 holders.
- The largest Ultra Clean Holdings buyer in Q2 2026 was Capital World Investors, an estimated $227M added.
- The largest Ultra Clean Holdings seller in Q2 2026 was Frontier Capital Management, an estimated $98.6M sold.
Based on aggregated 13F filings for Q2 2026.