ATS Corp: which funds bought and sold
Institutions that bought and sold ATS shares in Q2 2026, from the holdings they reported to the SEC on Form 13F for March 31, 2026 and June 30, 2026.
Between March 31, 2026 and June 30, 2026, 77 institutions that filed 13F reports for both quarters added to or opened positions in ATS, and 58 cut or closed them. Together they sold a net 4.8M shares, −5.8% on what they held at the start of the quarter. Active managers and hedge funds on our list were net sellers of 356K shares (−2.2%); index fund managers were net buyers of 34K shares (+1.0%). 22 opened a new position and 13 sold out entirely.
Bought, Q2 2026 77 institutions, 22 of them new holders Sold, Q2 2026 58 institutions, 13 of them sold out
Net change, all compared −4.8M shares (−5.8%)
Net change, active managers −356K shares (−2.2%), 14 bought, 11 sold
Buyers versus sellers
77 bought 15 58 sold
Active managers and hedge funds 14 bought · 11 sold · −356K
Index fund managers 3 bought · 1 sold · +34K
Other institutions 60 bought · 46 sold · −4.5M
Biggest buyers
| Institution | Change in shares | Shares June 30, 2026 | Value |
|---|---|---|---|
| FMR LLC Active manager | +628K +27.6% | 2.9M | $83.7M |
| Langdon Equity Partners | +600K New position | 600K | $17.3M |
| Legal & General Group PLC | +445K +72.7% | 1.1M | $30.4M |
| Toronto Dominion Bank | +314K +336.7% | 407K | $11.7M |
| Roubaix Capital, LLC | +247K New position | 247K | $7.1M |
| Alberta Investment Management Corp | +237K +25.2% | 1.2M | $33.9M |
| National Bank Of Canada | +207K +31.9% | 855K | $24.2M |
| Bank Of America Corp | +176K +18.6% | 1.1M | $32.3M |
| Goldman Sachs Group Inc | +172K +328.2% | 224K | $6.4M |
| Newgen Asset Management Ltd | +150K New position | 150K | $4.3M |
| Morgan Stanley | +134K +133.3% | 234K | $6.7M |
| Royal Bank Of Canada | +120K +1.5% | 7.9M | $227M |
| Jane Street Group, LLC | +117K +141.6% | 200K | $5.7M |
| Waratah Capital Advisors Ltd. | +111K +49.5% | 335K | $9.6M |
| Arrowmark Colorado Holdings LLC | +106K +60.9% | 280K | $8.1M |
| Polar Asset Management Partners Inc. | +105K New position | 105K | $3M |
| K.J. Harrison & Partners Inc | +100K New position | 100K | $2.9M |
| Hallstatt Advisors L.P. | +83K New position | 83K | $2.4M |
| Centerbook Partners LP Hedge fund | +65K New position | 65K | $1.9M |
| Boothbay Fund Management, LLC Hedge fund | +60K New position | 60K | $1.7M |
| Institution | Change in shares | Shares June 30, 2026 | Value |
|---|---|---|---|
| FMR LLC Active manager | +628K +27.6% | 2.9M | $83.7M |
| Centerbook Partners LP Hedge fund | +65K New position | 65K | $1.9M |
| Boothbay Fund Management, LLC Hedge fund | +60K New position | 60K | $1.7M |
| American Century Companies Inc Active manager | +33K New position | 33K | $936,788 |
| Verition Fund Management LLC Hedge fund | +30K New position | 30K | $849,384 |
| Squarepoint Ops LLC Hedge fund | +25K New position | 25K | $712,593 |
| Engineers Gate Manager LP Hedge fund | +18K +140.3% | 31K | $902,627 |
| Lazard Asset Management LLC Active manager | +13K +18.8% | 83K | $2.4M |
| Quadrature Capital Ltd Hedge fund | +8,100 New position | 8,100 | $233,394 |
| Alliancebernstein L.P. Active manager | +7,420 +82.8% | 16K | $461,916 |
Biggest sellers
| Institution | Change in shares | Shares June 30, 2026 | Value |
|---|---|---|---|
| Vinva Investment Management Ltd | −2.1M Sold out | 0 | — |
| Turtle Creek Asset Management Inc. | −1.8M −37.0% | 3.1M | $88.8M |
| Connor, Clark & Lunn Investment Management Ltd. | −1.2M −51.9% | 1.1M | $31.4M |
| Beutel, Goodman & Co Ltd. | −658K −12.1% | 4.8M | $138M |
| Principal Financial Group Inc | −621K Sold out | 0 | — |
| Fil Ltd Active manager | −451K −25.4% | 1.3M | $38.2M |
| TD Asset Management Inc | −419K −29.4% | 1.0M | $28.9M |
| Ack Asset Management LLC | −346K −18.8% | 1.5M | $43.2M |
| Invesco Ltd. | −335K −97.6% | 8,279 | $238,270 |
| Van Berkom & Associates Inc. | −327K −63.5% | 188K | $5.4M |
| Franklin Resources Inc Active manager | −222K −89.7% | 25K | $731,749 |
| Royce & Associates LP Active manager | −180K Sold out | 0 | — |
| Edgepoint Investment Group Inc. Active manager | −164K −2.3% | 7.0M | $202M |
| Marathon Asset Management Ltd Active manager | −139K −12.7% | 954K | $27.5M |
| Front Street Capital Management, Inc. | −136K −52.1% | 125K | $3.6M |
| Mackenzie Financial Corp | −92K −14.9% | 525K | $21.5M |
| Montrusco Bolton Investments Inc. | −72K −42.1% | 99K | $2.9M |
| Sei Investments Co | −70K −42.0% | 97K | $2.8M |
| Van Lanschot Kempen Investment Management N.V. | −68K −7.9% | 796K | $32.5M |
| Federation Des Caisses Desjardins Du Quebec | −58K −51.4% | 55K | $1.6M |
| Institution | Change in shares | Shares June 30, 2026 | Value |
|---|---|---|---|
| Fil Ltd Active manager | −451K −25.4% | 1.3M | $38.2M |
| Franklin Resources Inc Active manager | −222K −89.7% | 25K | $731,749 |
| Royce & Associates LP Active manager | −180K Sold out | 0 | — |
| Edgepoint Investment Group Inc. Active manager | −164K −2.3% | 7.0M | $202M |
| Marathon Asset Management Ltd Active manager | −139K −12.7% | 954K | $27.5M |
| Clearbridge Investments, LLC Active manager | −31K −2.8% | 1.1M | $30.5M |
| D. E. Shaw & Co., Inc. Hedge fund | −30K Sold out | 0 | — |
| Balyasny Asset Management L.P. Hedge fund | −14K Sold out | 0 | — |
| Marshall Wace, LLP Hedge fund | −9,920 Sold out | 0 | — |
| Brevan Howard Capital Management LP Hedge fund | −8,424 Sold out | 0 | — |
New positions
| Institution | Shares | Value June 30, 2026 |
|---|---|---|
| Langdon Equity Partners | 600K | $17.3M |
| Roubaix Capital, LLC | 247K | $7.1M |
| Newgen Asset Management Ltd | 150K | $4.3M |
| Polar Asset Management Partners Inc. | 105K | $3M |
| K.J. Harrison & Partners Inc | 100K | $2.9M |
| Hallstatt Advisors L.P. | 83K | $2.4M |
| Centerbook Partners LPHedge fund | 65K | $1.9M |
| Boothbay Fund Management, LLCHedge fund | 60K | $1.7M |
| Xtx Topco Ltd | 35K | $1M |
| Susquehanna International Group, LLP | 35K | $1M |
Sold out
| Institution | Shares | Value March 31, 2026 |
|---|---|---|
| Vinva Investment Management Ltd | 2.1M | $36.5M |
| Principal Financial Group Inc | 621K | $17.4M |
| Royce & Associates LPActive manager | 180K | $5.1M |
| D. E. Shaw & Co., Inc.Hedge fund | 30K | $850,982 |
| Numerai Gp LLC | 28K | $776,572 |
| Balyasny Asset Management L.P.Hedge fund | 14K | $398,297 |
| Marshall Wace, LLPHedge fund | 9,920 | $279,744 |
| Brevan Howard Capital Management LPHedge fund | 8,424 | $237,557 |
| Orion Porfolio Solutions, LLC | 7,994 | $225,431 |
| Newedge Advisors, LLC | 214 | $6,033 |
Who holds the shares
- Institutions reporting
- 140
- Ten largest holders
- 64.2% of 13F-reported shares
- Index fund managers
- 4.2% of 13F-reported shares
- Active managers and hedge funds
- 19.5% of 13F-reported shares
| Type | Bought | Sold | New | Sold out | Net change in shares | Net % |
|---|---|---|---|---|---|---|
| Active managers and hedge funds | 14 | 11 | 6 | 5 | −356K | −2.2% |
| Index fund managers | 3 | 1 | 0 | 0 | +34K | +1.0% |
| Other institutions | 60 | 46 | 16 | 8 | −4.5M | −7.1% |