Optiver Holding
FIBK icon

Optiver Holding’s First Interstate BancSystem FIBK Stock Holding History

Optiver Holding’s Portfolio FIBK Stock Details FIBK Fund Activity
Bought
Maintained
Sold
Quarter Market Value Status Shares Change in
Stake 		Trade Value Portfolio Weight Portfolio Position
2026
Q2 		$26.9K Buy
698
+655
+1,523% +$23.2K ﹤0.01% 1395
2026
Q1 		$1.44K Sell
43
-136
-76% -$4.86K ﹤0.01% 1976
2025
Q4 		$6.19K Buy
+179
New +$5.86K ﹤0.01% 1277
2025
Q3 		– Sell
-283
Closed -$8.16K – 2757
2025
Q2 		$8.16K Buy
283
+42
+17% +$1.13K ﹤0.01% 1057
2025
Q1 		$6.91K Buy
+241
New +$7.47K ﹤0.01% 1005

Other funds holding FIBK

BlackRock
BlackRock New York $6.73T AUM 46.02% 1-Year Est. Return
State Street
State Street Boston, Massachusetts $3.37T AUM 44.26% 1-Year Est. Return
Dimensional Fund Advisors
Dimensional Fund Advisors Austin, Texas $552B AUM 44.19% 1-Year Est. Return
Vanguard Portfolio Management
Vanguard Portfolio Management Malvern, Pennsylvania $2.22T AUM
FIB
First Interstate Bank Billings, Montana $1.92B AUM 19.65% 1-Year Est. Return
HAM
HoldCo Asset Management Fort Lauderdale, Florida $1.56B AUM 45.42% 1-Year Est. Return
Wellington Management Group
Wellington Management Group Boston, Massachusetts $580B AUM 38.23% 1-Year Est. Return
Vanguard Capital Management
Vanguard Capital Management Malvern, Pennsylvania $4.68T AUM
Fidelity Investments
Fidelity Investments Boston, Massachusetts $2.3T AUM 54.33% 1-Year Est. Return
Geode Capital Management
Geode Capital Management Boston, Massachusetts $1.88T AUM 44.46% 1-Year Est. Return

Optiver Holding's FIBK Position: Q2 2026 in Review

Optiver Holding increased its First Interstate BancSystem (FIBK) stake by 1,523% in Q2 2026, buying an estimated $23.2K and bringing the position to 698 shares worth $26.9K. The position accounts for ﹤0.01% of the portfolio, ranked #1395.

Optiver Holding first reported a position in FIBK in Q1 2025 and has held it in 5 quarters since. 298 funds tracked by Wall St. Rank hold FIBK as of Q2 2026.

  • Optiver Holding held 698 shares of First Interstate BancSystem worth $26.9K as of Q2 2026.
  • Optiver Holding bought 655 First Interstate BancSystem shares in Q2 2026, an estimated $23.2K.
  • First Interstate BancSystem made up ﹤0.01% of Optiver Holding's portfolio in Q2 2026, its #1395 holding.
  • Optiver Holding first reported a position in First Interstate BancSystem in Q1 2025 and has held it in 5 quarters since.
  • 298 funds tracked by Wall St. Rank held First Interstate BancSystem as of Q2 2026.

Based on Optiver Holding's 13F filing for Q2 2026, filed 12 Aug 2026.