GW&K Investment Management
GW&K Investment Management reported 1,109 stocks worth $12.8M in its 13F filing for Q2 2026, filed Aug 12, 2026. Its largest holdings are MTSI (1.9%), AEIS (1.7%) and SPXC (1.4%). Compared with Q1 2026, the fund opened new positions in CECO, added to SPXC, NOVT and TXRH, trimmed MTSI, AEIS and STRL and sold out of BRC, VRRM and SCHD.
Holdings
| # | Stock | Value | Weight | Shares | Change | Shares, 8 qtrs | Held |
|---|---|---|---|---|---|---|---|
| 1 |  MTSI Macom Tech Solutions Hldgs I | $241K | 1.9% | 635K | −204K (−24%) | 8 of 8 | |
| 2 |  AEIS Advanced Energy Inds | $215K | 1.7% | 578K | −23K (−4%) | 8 of 8 | |
| 3 |  SPXC Spx Technologies Inc | $175K | 1.4% | 714K | +39K (+6%) | 8 of 8 | |
| 4 |  STRL Sterling Infrastructure | $166K | 1.3% | 198K | −107K (−35%) | 8 of 8 | |
| 5 |  ITT Itt Inc | $151K | 1.2% | 764K | −33K (−4%) | 8 of 8 | |
| 6 |  NOVT Novanta Inc | $146K | 1.1% | 897K | +39K (+4%) | 8 of 8 | |
| 7 |  RBC RBC Bearings Inc | $144K | 1.1% | 224K | −58K (−20%) | 8 of 8 | |
| 8 |  MOG.A Moog Inc | $132K | 1.0% | 312K | −17K (−5%) | 4 of 8 | |
| 9 |  ENTG Entegris Inc | $125K | 1.0% | 697K | −42K (−6%) | 8 of 8 | |
| 10 |  APG Api Group | $125K | 1.0% | 3M | −154K (−5%) | 8 of 8 |
Positions at Jun 30, 2026, as reported. Change is against the fund's Q1 2026 filing; weight is the share of the fund's reported stocks.
Sold out
held in Q1 2026, gone in Q2 2026| Stock | Value last quarter | Shares sold |
|---|---|---|
THERMON GROUP HLDGS INC | $48K | 953K |
TRI POINTE HOMES INC | $24K | 511K |
MASIMO CORP | $22K | 123K |
 BRC Brady Corp | $18K | 221K |
WHITESTONE REIT | $17K | 1M |
🔒 Free account: see all 30.
Reported value
last 8 quartersThe value of the US stocks the fund reported, at quarter end prices. It moves with the market as well as with buying and selling.
Filings for Q2 2026
straight from the SEC| Filed | Form | Quarter | |
|---|---|---|---|
| Aug 12, 2026 | 13F-HR | Q2 2026 | SEC filing ↗ |
Other superinvestors
All hedge fund holdings →GW&K Investment Management 13F FAQ
What does GW&K Investment Management own?
GW&K Investment Management reported 1,109 stocks worth $12.8M in its 13F filing for Q2 2026, filed Aug 12, 2026. Its largest holdings are MTSI (1.9%), AEIS (1.7%) and SPXC (1.4%). The table above lists every position in the filing (the top 10 without an account).
What did GW&K Investment Management buy and sell in Q2 2026?
Compared with Q1 2026: 120 new positions, 336 added to, 502 trimmed and 32 sold out. New positions include CECO. It sold all of BRC, VRRM and SCHD.
When will GW&K Investment Management file its next 13F?
Holdings as of Sep 30, 2026 are due by Nov 16, 2026. The filing appears on this page within minutes of reaching the SEC.
How much is GW&K Investment Management's portfolio worth?
The Q2 2026 filing reports $12.8M in US stocks. That leaves out cash, bonds, short positions and most foreign holdings, so the fund's total assets are usually larger.
For informational and educational purposes only. Not investment advice, and not a recommendation to buy or sell any security. Holdings come from the fund's SEC Form 13F filings as reported and show positions at the end of the quarter, up to 45 days before the filing. The fund may have changed its positions since. A 13F leaves out short positions, cash, bonds and most foreign holdings. See all hedge fund holdings.