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Trustco Bank TRST

US equityMarket cap rank #3293
$54.26 −$0.87 (-1.58%)
Pre-market · Oct 8, 7:00 am ET · After hours $54.26 0.00%
Open$54.54
Prev close$55.13
Day range$53.98 – $54.81
Volume68.9K
Market cap$923.93M
P/E (TTM)15.1
Dividend yield2.80%

Ownership & positioning

Who holds it, who is betting against it, and where the big money is moving

Institutional ownership78.6%+0.25 pts vs. prior quarter
Institutions holding225+0 vs. prior quarter
Insider trades (recent)28 buys / 20 sellsNet buying
Short interest6.72% of floatDays to cover 7.7 · as of 15 Sep 2026
Short-sale volume share25.3%5-day average of daily volume

Short-sale volume as % of daily volume

12%21%29%37%Sep '26Sep '26Oct '26

Large-order net flow, last 20 sessions

Net of large-order buying minus selling, in USD. Over this window: −$679.8K (8 inflow days, 12 outflow days).

Net flow by order size, last 20 sessions

−$551.4KSuper−$128.3KBig−$120.7KMid−$765.6KSmall

Super/Big orders approximate institutional-size trades; Mid/Small approximate retail-size trades. Net buy minus sell value in each bucket, summed over the window.

The five largest holders on file together own 38.5% of shares outstanding.

Largest holders

  • BlackRock14.78%
  • Dimensional Fund Advisors6.70%
  • Systematic Financial Management LP6.47%
  • State Street Global Advisors5.42%
  • HoldCo Advisors, LP5.13%
  • Vanguard Capital Management, LLC5.09%
  • American Century Investment Management3.58%
  • Geode Capital Management, LLC3.03%

By investor type

  • Mutual Fund66.66%
  • Hedge Fund7.38%
  • Individual/Insider3.63%
  • Public Company1.85%
  • Government Pension Fund1.21%
  • Private Company1.09%
  • Insurance Company0.30%
  • Family Office/Trust0.14%

Reported short interest has risen from 4.42% to 6.72% of float over the last 6 biweekly reports (30 Jun 2026 to 15 Sep 2026).

Recent institutional activity

HolderTypePeriodShare changeNew stake
Nuveen Asset Management LLC Insurance Company 2026/Q3 +42,889 0.3%
American Century Investment Management Mutual Fund 2026/Q3 +44,497 3.6%
State Street Global Advisors Mutual Fund 2026/Q3 +31,763 5.4%
Acadian Asset Management LLC Mutual Fund 2026/Q3 +26,593 0.6%
Geode Capital Management, LLC Mutual Fund 2026/Q3 +17,989 3.0%
GSA Capital Partners LLP Hedge Fund 2026/Q3 +15,558 0.1%
California State Teachers' Retirement System Government Pension Fund 2026/Q3 +15,211 0.2%
Nuveen Investments Mutual Fund 2026/Q3 +14,413 0.1%
Vanguard Portfolio Management, LLC Mutual Fund 2026/Q3 +14,146 2.3%
Invesco Capital Management LLC Mutual Fund 2026/Q3 +11,973 1.7%
State of Wisconsin Investment Board Government Pension Fund 2026/Q3 +9,269 0.1%
Russell Investment Management, LLC Mutual Fund 2026/Q3 +9,196 0.1%
Raymond James Financial, Inc. Public Company 2026/Q3 +8,260 0.1%
Wells Fargo & Company Public Company 2026/Q3 +7,411 0.1%
Northern Trust Global Investments Mutual Fund 2026/Q3 +7,185 1.2%

Institutional buy/sell activity by reporting period, largest moves first.

Insider transactions

DateInsiderTitleTransactionSharesPriceHeld after
1 Sep 2026 Lauren McCormick VP, Treasurer & Assistant Corporate Secretary Open Market Acquisition +436 $57.34 45,751
11 Aug 2026 Lauren McCormick VP, Treasurer & Assistant Corporate Secretary Open Market Acquisition +103 $56.51 45,315
26 Jul 2026 Lauren McCormick VP, Treasurer & Assistant Corporate Secretary Other Acquisition +1,756 – 45,315
3 Jun 2026 Lisa Lucarelli Independent Director Open Market Acquisition +200 $52.29 3,213
23 Apr 2026 Frank Silverman Independent Director Open Market Acquisition +105 $46.18 4,892
11 Mar 2026 Kevin Curley Executive Vice President of Retail Banking Open Market Acquisition +588 $42.55 41,136
15 Dec 2025 Lauren McCormick VP, Treasurer & Assistant Corporate Secretary Initial Statement of Beneficial +0 – 537
25 Nov 2025 Lisa Lucarelli Independent Director Open Market Acquisition +200 $42.69 2,997
20 Nov 2025 Robert McCormick Chairperson & CEO Derivative Exercise and Sale -2,112 $41.54 390,320
20 Nov 2025 Robert McCormick Chairperson & CEO Derivative Exercise and Retained +2,072 – 390,320
20 Nov 2025 Robert Leonard Executive Vice President of Corporate Services & Risk Derivative Exercise and Sale -755 $41.54 36,860
20 Nov 2025 Robert Leonard Executive Vice President of Corporate Services & Risk Derivative Exercise and Retained +845 – 36,860
20 Nov 2025 Michael Ozimek Chief Financial Officer Derivative Exercise and Sale -435 $41.54 29,972
20 Nov 2025 Michael Ozimek Chief Financial Officer Derivative Exercise and Retained +672 – 29,972
20 Nov 2025 Kevin Curley Executive Vice President of Retail Banking Derivative Exercise and Sale -461 $41.54 40,370
20 Nov 2025 Kevin Curley Executive Vice President of Retail Banking Derivative Exercise and Retained +646 – 40,370
20 Nov 2025 Michael Hall General Counsel Derivative Exercise and Sale -271 $41.54 10,372
18 Nov 2025 Anthony Marinello Independent Director Derivative Exercise and Sale -550 $39.70 27,154
18 Nov 2025 Robert McCormick Chairperson & CEO Derivative Exercise and Sale -1,764 $39.70 388,248
18 Nov 2025 Robert McCormick Chairperson & CEO Derivative Exercise and Retained +1,719 – 388,248

From Form 4/Form 144 filings. Negative share counts are disposals (sales, gifts, or shares withheld for taxes); positive are acquisitions.

Short interest, by report

Report dateShares short% of floatDays to cover
15 Sep 2026 1,143,637 6.7% 7.7
31 Aug 2026 900,759 5.3% 6.5
14 Aug 2026 847,550 5.0% 7.2
31 Jul 2026 795,185 4.7% 6.4
15 Jul 2026 819,765 4.7% 9.3
30 Jun 2026 773,047 4.4% 4.9

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