Ken Griffin
RBUF

Ken Griffin’s Innovator U.S. Small Cap 10 Buffer ETF - Quarterly RBUF Stock Holding History

Ken Griffin’s Portfolio RBUF Stock Details RBUF Fund Activity
Bought
Maintained
Sold
Quarter Market Value Status Shares Change in
Stake 		Trade Value Portfolio Weight Portfolio Position
2026
Q1 		$478K Buy
+16,329
New +$483K ﹤0.01% 9422
2025
Q4 		– Sell
-9,171
Closed -$263K – 14385
2025
Q3 		$263K Buy
9,171
+1,143
+14% +$32.1K ﹤0.01% 10647
2025
Q2 		$220K Buy
8,028
+205
+3% +$5.39K ﹤0.01% 10479
2025
Q1 		$204K Buy
+7,823
New +$205K ﹤0.01% 10408

Other funds holding RBUF

PCA
Pallas Capital Advisors Braintree, Massachusetts $3.25B AUM 40.07% 1-Year Est. Return
CF
Centaurus Financial Anaheim, California $2.1B AUM 21.28% 1-Year Est. Return
Raymond James Financial
Raymond James Financial St Petersburg, Florida $324B AUM 22.36% 1-Year Est. Return
MA
Mutual Advisors Omaha, Nebraska $4.67B AUM 17.48% 1-Year Est. Return
CAPTRUST Financial Advisors
CAPTRUST Financial Advisors Raleigh, North Carolina $57.3B AUM 18.32% 1-Year Est. Return
Cetera Investment Advisers
Cetera Investment Advisers Schaumburg, Illinois $110B AUM 26.29% 1-Year Est. Return
MFG
MTM Financial Group Bethlehem, Pennsylvania $233M AUM 14.67% 1-Year Est. Return
CCFM
Clear Creek Financial Management Silverdale, Washington $1.56B AUM 31.02% 1-Year Est. Return
SEIA
Signature Estate & Investment Advisors Los Angeles, California $5.56B AUM 26.66% 1-Year Est. Return
FFA
Farther Finance Advisors San Francisco, California $12.8B AUM 26.53% 1-Year Est. Return

Ken Griffin's RBUF Position: Q1 2026 in Review

Ken Griffin opened a new position in Innovator U.S. Small Cap 10 Buffer ETF - Quarterly (RBUF) in Q1 2026: 16,329 shares worth $478K. The stake represents ﹤0.01% of the portfolio and ranks #9422 among its holdings. This is a return to the name: Ken Griffin previously reported a position in RBUF as recently as Q3 2025.

Ken Griffin first reported a position in RBUF in Q1 2025 and has held it in 4 quarters since. 37 funds tracked by Wall St. Rank hold RBUF as of Q1 2026.

  • Ken Griffin held 16,329 shares of Innovator U.S. Small Cap 10 Buffer ETF - Quarterly worth $478K as of Q1 2026.
  • Innovator U.S. Small Cap 10 Buffer ETF - Quarterly was a new Ken Griffin position in Q1 2026.
  • Innovator U.S. Small Cap 10 Buffer ETF - Quarterly made up ﹤0.01% of Ken Griffin's portfolio in Q1 2026, its #9422 holding.
  • Ken Griffin first reported a position in Innovator U.S. Small Cap 10 Buffer ETF - Quarterly in Q1 2025 and has held it in 4 quarters since.
  • 37 funds tracked by Wall St. Rank held Innovator U.S. Small Cap 10 Buffer ETF - Quarterly as of Q1 2026.

Based on Citadel Advisors's 13F filing for Q1 2026, filed 15 May 2026.