Ken Griffin
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Ken Griffin’s BioRestorative Therapies BRTX Stock Holding History

Ken Griffin’s Portfolio BRTX Stock Details BRTX Fund Activity
Bought
Maintained
Sold
Quarter Market Value Status Shares Change in
Stake 		Trade Value Portfolio Weight Portfolio Position
2026
Q1 		$64.9K Buy
238,606
+209,408
+717% +$134K ﹤0.01% 12291
2025
Q4 		$34.2K Sell
29,198
-77,012
-73% -$103K ﹤0.01% 12184
2025
Q3 		$152K Buy
+106,210
New +$164K ﹤0.01% 11525
2025
Q1 		– Sell
-21,481
Closed -$30.7K – 14519
2024
Q4 		$30.7K Buy
+21,481
New +$33.2K ﹤0.01% 12858

Other funds holding BRTX

Geode Capital Management
Geode Capital Management Boston, Massachusetts $1.88T AUM 44.46% 1-Year Est. Return
UBS Group
UBS Group Zurich, Switzerland $786B AUM 40.34% 1-Year Est. Return
WA
Wealth Alliance Mellville, New York $1.2B AUM 26.51% 1-Year Est. Return
VFT
Vanguard Fiduciary Trust Malvern, Pennsylvania $454B AUM
State Street
State Street Boston, Massachusetts $3.37T AUM 44.26% 1-Year Est. Return
Osaic Holdings
Osaic Holdings Scottsdale, Arizona $68.3B AUM 20.5% 1-Year Est. Return
TRCT
Tower Research Capital (TRC) New York $4.08B AUM 58.77% 1-Year Est. Return
SS
SBI Securities Tokyo, Japan $4.4B AUM 74.26% 1-Year Est. Return
TWC
TD Waterhouse Canada Toronto, Ontario, Canada $38B AUM 39.14% 1-Year Est. Return

Ken Griffin's BRTX Position: Q1 2026 in Review

Ken Griffin increased its BioRestorative Therapies (BRTX) stake by 717% in Q1 2026, buying an estimated $134K and bringing the position to 238,606 shares worth $64.9K. The position accounts for ﹤0.01% of the portfolio, ranked #12291.

Ken Griffin first reported a position in BRTX in Q4 2024 and has held it in 4 quarters since. The position peaked at $152K in Q3 2025. 11 funds tracked by Wall St. Rank hold BRTX as of Q1 2026.

  • Ken Griffin held 238,606 shares of BioRestorative Therapies worth $64.9K as of Q1 2026.
  • Ken Griffin bought 209,408 BioRestorative Therapies shares in Q1 2026, an estimated $134K.
  • BioRestorative Therapies made up ﹤0.01% of Ken Griffin's portfolio in Q1 2026, its #12291 holding.
  • Ken Griffin first reported a position in BioRestorative Therapies in Q4 2024 and has held it in 4 quarters since.
  • Ken Griffin's BioRestorative Therapies position peaked at $152K in Q3 2025.
  • 11 funds tracked by Wall St. Rank held BioRestorative Therapies as of Q1 2026.

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