Mar 31, 2026 filings. Quarterly 13F reports arrive up to 45 days after quarter end; this register is filed through May 29, 2026.
443 institutional managers reported holding GTLS for the quarter ended Mar 31, 2026. Reported positions total over 95% of shares outstanding; the top 10 hold 49%. 52 opened new positions; 78 closed out. Complete ranked register from SEC 13F filings.
| manager | shares | % out | value (Mar 31, 2026 close) | change | held since |
|---|---|---|---|---|---|
| BlackRock | 7.32M | 15.30% | $1.51B | added +0.8% | ≤2013 |
| Vanguard Group | 4.44M | 9.28% | $918.3M | added +1.9% | ≤2013 |
| UBS | 2.44M | 5.10% | $504.3M | added +87.2% | ≤2013 |
| FIL LTD | 1.91M | 4.00% | $395.8M | added +45.5% | 2025 Q2 |
| Goldman Sachs | 1.64M | 3.42% | $338.8M | added +41.9% | ≤2013 |
| State Street | 1.63M | 3.41% | $337.2M | added +2% | ≤2013 |
| Geode Capital | 1.16M | 2.42% | $239.5M | added +6.6% | ≤2013 |
| Millennium Management | 1.02M | 2.14% | $211.7M | trimmed -35.5% | 2017 Q4 |
| Balyasny Asset Management | 1.02M | 2.13% | $210.3M | added +62.9% | 2024 Q2 |
| Morgan Stanley | 930.1k | 1.94% | $192.3M | added +30.4% | ≤2013 |
| Citigroup INC | 922.4k | 1.93% | $190.7M | trimmed -4.8% | ≤2013 |
| Neuberger Berman Group LLC | 781.5k | 1.63% | $161.6M | added +3.6% | 2020 Q4 |
| Whitebox Advisors LLC | 758.9k | 1.59% | $156.9M | added +35.5% | 2025 Q3 |
| Syquant Capital SAS (focused) | 754.5k | 1.58% | $156.0M | added +115.3% | 2025 Q4 |
| AQR Capital | 707.0k | 1.48% | $146.2M | added +44.6% | 2020 Q4 |
| HBK Investments L P | 689.1k | 1.44% | $142.5M | trimmed -65% | 2025 Q3 |
| Qube Research & Technologies LTD | 662.6k | 1.39% | $137.0M | added +36.8% | 2025 Q1 |
| First Trust Advisors LP | 631.8k | 1.32% | $130.6M | opened | 2023 Q3 |
| Charles Schwab Investment Management | 575.0k | 1.20% | $118.9M | added +2.5% | ≤2013 |
| Kryger Capital LLC | 550.1k | 1.15% | $113.7M | added +86.2% | 2025 Q3 |
| Northern Trust | 538.2k | 1.13% | $111.3M | added +5.8% | ≤2013 |
| Toronto Dominion Bank | 523.2k | 1.09% | $108.2M | added +49.8% | 2025 Q1 |
| Westchester Capital Management, LLC | 496.1k | 1.04% | $102.6M | unchanged | 2025 Q3 |
| Soros Fund Management | 470.1k | 0.98% | $97.2M | added +64.6% | 2025 Q3 |
| LMR Partners LLP | 435.2k | 0.91% | $90.0M | added +58.6% | 2025 Q3 |
| Verition Fund Management | 431.4k | 0.90% | $89.2M | added +74.3% | 2022 Q4 |
| Squarepoint Ops LLC | 430.9k | 0.90% | $89.1M | added +8.5% | 2025 Q3 |
| Alpine Associates Management INC. | 428.8k | 0.90% | $88.6M | trimmed -0.5% | 2025 Q2 |
| Magnetar Financial LLC | 420.4k | 0.88% | $86.9M | trimmed -16.2% | 2025 Q3 |
| AllianceBernstein | 390.1k | 0.81% | $80.7M | added +3.5% | ≤2013 |
| FMR (Fidelity) | 355.2k | 0.74% | $73.4M | added +14.2% | 2020 Q4 |
| Bank OF America CORP /DE/ | 333.9k | 0.70% | $69.0M | added +7.8% | ≤2013 |
| Healthcare OF Ontario Pension Plan Trust Fund | 306.5k | 0.64% | $63.4M | trimmed -42.4% | 2025 Q1 |
| Adage Capital Partners GP, L.l.c. | 296.5k | 0.62% | $61.3M | added +61.5% | 2025 Q3 |
| Capitolis Liquid Global Markets LLC | 294.7k | 0.62% | $60.9M | added +178.9% | 2025 Q4 |
| BNY Mellon | 282.6k | 0.59% | $58.4M | trimmed -6.7% | ≤2013 |
| Barclays PLC | 281.6k | 0.59% | $58.2M | added +191.9% | ≤2013 |
| Gamco Investors, INC. et al | 271.1k | 0.57% | $56.0M | added +22.8% | 2016 Q4 |
| Melqart Asset Management (UK) LTD (focused) | 265.2k | 0.55% | $54.8M | added +7.7% | 2025 Q4 |
| Slotnik Capital, LLC (focused) | 221.8k | 0.46% | $45.9M | added +111.7% | 2025 Q4 |
| Mufg Bank, LTD. | 220.9k | 0.46% | $45.7M | opened | 2026 Q1 |
| GAMCO (Gabelli) | 212.1k | 0.44% | $43.9M | added +25.5% | 2016 Q4 |
| Birnam Oak Advisors, LP (focused) | 198.9k | 0.42% | $41.1M | added +65.4% | 2025 Q3 |
| Caxton Associates LLP | 194.1k | 0.41% | $40.1M | added +723.7% | 2025 Q4 |
| Picton Mahoney Asset Management | 192.8k | 0.40% | $39.9M | added +22% | 2025 Q2 |
| Water Island Capital LLC | 189.9k | 0.40% | $39.3M | added +0.9% | 2025 Q3 |
| Nexpoint Asset Management, L.p. | 185.3k | 0.39% | $38.3M | added +9.6% | 2022 Q4 |
| Capula Management LTD | 166.3k | 0.35% | $34.4M | opened | 2025 Q3 |
| Principal Financial Group INC | 166.2k | 0.35% | $34.4M | added +12.6% | ≤2013 |
| TIG Advisors, LLC | 164.4k | 0.34% | $34.0M | opened | 2025 Q3 |
Largest 50 of 443 shown; the full ranked, searchable register is at boothcheck.com/holders/GTLS. Related filers are grouped using the filings' own included-manager declarations. Historically, several managers opening new positions in the same quarter said almost nothing about the quarter that followed (59,118 cases since 2013). A filed record, not a forecast. Nothing here is investment advice.