Ken Griffin
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Ken Griffin’s ProShares Trust UltraShort Lehman 20+ Year Treasury TBT Stock Holding History

Ken Griffin’s Portfolio TBT Stock Details TBT Fund Activity
Bought
Maintained
Sold
Quarter Market Value Status Shares Change in
Stake 		Trade Value Portfolio Weight Portfolio Position
2026
Q1 		$3.89M Buy
110,559
+85,367
+339% +$2.93M ﹤0.01% 4770
2025
Q4 		$880K Buy
+25,192
New +$846K ﹤0.01% 7681
2025
Q3 		– Sell
-88,503
Closed -$3.15M – 14091
2025
Q2 		$3.1M Sell
88,503
-21,030
-19% -$762K ﹤0.01% 4918
2025
Q1 		$3.69M Buy
109,533
+77,533
+242% +$2.74M ﹤0.01% 4403
2024
Q4 		$1.17M Sell
32,000
-33,033
-51% -$1.11M ﹤0.01% 6699
2024
Q3 		$1.94M Sell
65,033
-9,580
-13% -$299K ﹤0.01% 5604
2024
Q2 		$2.57M Buy
74,613
+26,384
+55% +$936K ﹤0.01% 4849
2024
Q1 		$1.59M Sell
48,229
-121,771
-72% -$4.04M ﹤0.01% 5971
2023
Q4 		$5.13M Buy
170,000
+85,187
+100% +$3.2M ﹤0.01% 3749
2023
Q3 		$3.33M Buy
84,813
+80,127
+1,710% +$2.7M ﹤0.01% 4300
2023
Q2 		$138K Sell
4,686
-51,005
-92% -$1.49M ﹤0.01% 10453
2023
Q1 		$1.56M Buy
55,691
+54,157
+3,530% +$1.59M ﹤0.01% 5847
2022
Q4 		$49.9K Buy
+1,534
New +$49.9K ﹤0.01% 12145
2022
Q1 		– Sell
-685,895
Closed -$13.2M – 14554
2021
Q4 		$11.6M Buy
685,895
+50,876
+8% +$883K ﹤0.01% 2817
2021
Q3 		$11.7M Sell
635,019
-173,217
-21% -$3.04M ﹤0.01% 2811
2021
Q2 		$15.2M Buy
808,236
+541,800
+203% +$11M ﹤0.01% 2446
2021
Q1 		$5.79M Buy
266,436
+28,598
+12% +$554K ﹤0.01% 3949
2020
Q4 		$3.9M Sell
237,838
-339,519
-59% -$5.57M ﹤0.01% 4110
2020
Q3 		$9.06M Buy
+577,357
New +$8.88M ﹤0.01% 2401
2020
Q2 		– Sell
-324,990
Closed -$5.2M – 10485
2020
Q1 		$5.23M Sell
324,990
-288,612
-47% -$6.25M ﹤0.01% 2645
2019
Q4 		$16.3M Buy
613,602
+598,727
+4,025% +$15.3M 0.01% 1683
2019
Q3 		$362K Sell
14,875
-237,478
-94% -$6.25M ﹤0.01% 7282
2019
Q2 		$7.3M Buy
252,353
+52,121
+26% +$1.66M ﹤0.01% 2574
2019
Q1 		$6.46M Buy
200,232
+65,210
+48% +$2.28M ﹤0.01% 2629
2018
Q4 		$4.74M Sell
135,022
-567,387
-81% -$22.2M ﹤0.01% 2863
2018
Q3 		$26.9M Buy
702,409
+666,880
+1,877% +$24.5M 0.01% 1153
2018
Q2 		$1.28M Sell
35,529
-45,652
-56% -$1.71M ﹤0.01% 4799
2018
Q1 		$2.94M Buy
81,181
+51,581
+174% +$1.92M ﹤0.01% 3168
2017
Q4 		$1M Buy
+29,600
New +$1.03M ﹤0.01% 4652
2017
Q3 		– Sell
-18,725
Closed -$661K – 8044
2017
Q2 		$672K Buy
18,725
+13,525
+260% +$501K ﹤0.01% 4695
2017
Q1 		$203K Sell
5,200
-33,062
-86% -$1.32M ﹤0.01% 6507
2016
Q4 		$1.56M Sell
38,262
-55,532
-59% -$2.1M ﹤0.01% 3255
2016
Q3 		$2.96M Buy
+93,794
New +$2.94M ﹤0.01% 2510
2015
Q4 		– Sell
-56,802
Closed -$2.46M – 9188
2015
Q3 		$2.46M Buy
56,802
+52,961
+1,379% +$2.43M ﹤0.01% 2691
2015
Q2 		$191K Buy
+3,841
New +$180K ﹤0.01% 6389
2015
Q1 		– Sell
-86,824
Closed -$4.03M – 8836
2014
Q4 		$4.03M Sell
86,824
-86,422
-50% -$4.41M ﹤0.01% 2183
2014
Q3 		$9.76M Buy
173,246
+163,646
+1,705% +$9.53M 0.01% 1385
2014
Q2 		$583K Buy
9,600
+9,148
+2,024% +$582K ﹤0.01% 4187
2014
Q1 		$31K Buy
+452
New +$32.3K ﹤0.01% 7073

Other funds holding TBT

CM
CastleKnight Management New York $6B AUM 121.87% 1-Year Est. Return
Susquehanna International Group
Susquehanna International Group Bala Cynwyd, Pennsylvania $893B AUM 36.07% 1-Year Est. Return
Mariner
Mariner Overland Park, Kansas $95.2B AUM 32.92% 1-Year Est. Return
JSSH
J. Safra Sarasin Holding $6.97B AUM 32.91% 1-Year Est. Return
Jane Street
Jane Street New York $777B AUM 61.18% 1-Year Est. Return
Renaissance Technologies
Renaissance Technologies New York $72.6B AUM 54.88% 1-Year Est. Return
JFG
Jefferies Financial Group New York $14.6B AUM 40.95% 1-Year Est. Return
VCM
Virtue Capital Management Brentwood, Tennessee $749M AUM 40.13% 1-Year Est. Return
VAM
Verity Asset Management Durham, North Carolina $264M AUM 28.52% 1-Year Est. Return
Goldman Sachs
Goldman Sachs New York $871B AUM 31.28% 1-Year Est. Return

Ken Griffin's TBT Position: Q1 2026 in Review

Ken Griffin increased its ProShares Trust UltraShort Lehman 20+ Year Treasury (TBT) stake by 339% in Q1 2026, buying an estimated $2.93M and bringing the position to 110,559 shares worth $3.89M. The position accounts for ﹤0.01% of the portfolio, ranked #4770.

Ken Griffin first reported a position in TBT in Q1 2014 and has held it in 39 quarters since. The position peaked at $26.9M in Q3 2018. 50 funds tracked by Wall St. Rank hold TBT as of Q1 2026.

  • Ken Griffin held 110,559 shares of ProShares Trust UltraShort Lehman 20+ Year Treasury worth $3.89M as of Q1 2026.
  • Ken Griffin bought 85,367 ProShares Trust UltraShort Lehman 20+ Year Treasury shares in Q1 2026, an estimated $2.93M.
  • ProShares Trust UltraShort Lehman 20+ Year Treasury made up ﹤0.01% of Ken Griffin's portfolio in Q1 2026, its #4770 holding.
  • Ken Griffin first reported a position in ProShares Trust UltraShort Lehman 20+ Year Treasury in Q1 2014 and has held it in 39 quarters since.
  • Ken Griffin's ProShares Trust UltraShort Lehman 20+ Year Treasury position peaked at $26.9M in Q3 2018.
  • 50 funds tracked by Wall St. Rank held ProShares Trust UltraShort Lehman 20+ Year Treasury as of Q1 2026.

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