Jane Street’s Telefonica TEF Stock Holding History

Jane Street’s Portfolio TEF Stock Details TEF Fund Activity

Bought

Maintained

Sold

Quarter	Market Value	Status	Shares	Change in Stake	Trade Value	Portfolio Weight	Portfolio Position
2026 Q1	–	Sell	-332,946	Closed	-$1.35M	–	12966
2025 Q4	$1.35M	Buy	332,946 +206,505	+163%	+$930K	﹤0.01%	5541
2025 Q3	$642K	Buy	126,441 +72,274	+133%	+$384K	﹤0.01%	7305
2025 Q2	$283K	Sell	54,167 -238,790	-82%	-$1.2M	﹤0.01%	7965
2025 Q1	$1.37M	Buy	292,957 +133,509	+84%	+$573K	﹤0.01%	5003
2024 Q4	$641K	Buy	159,448 +126,489	+384%	+$570K	﹤0.01%	6246
2024 Q3	$160K	Buy	+32,959	New	+$150K	﹤0.01%	8782
2024 Q1	–	Sell	-21,232	Closed	-$82.8K	–	10065
2023 Q4	$82.8K	Sell	21,232 -911,976	-98%	-$3.66M	﹤0.01%	8657
2023 Q3	$3.8M	Buy	933,208 +785,051	+530%	+$3.18M	﹤0.01%	3009
2023 Q2	$597K	Sell	148,157 -334,818	-69%	-$1.42M	﹤0.01%	6048
2023 Q1	$2.07M	Sell	482,975 -522,477	-52%	-$2.07M	﹤0.01%	3760
2022 Q4	$3.59M	Sell	1,005,452 -1,108,789	-52%	-$3.88M	﹤0.01%	2953
2022 Q3	$6.85M	Buy	2,114,241 +1,256,172	+146%	+$5.32M	﹤0.01%	2161
2022 Q2	$4.4M	Buy	858,069 +47,843	+6%	+$234K	﹤0.01%	2863
2022 Q1	$3.77M	Sell	810,226 -425,498	-34%	-$1.89M	﹤0.01%	3520
2021 Q4	$5.08M	Buy	1,235,724 +1,184,916	+2,332%	+$4.95M	﹤0.01%	2837
2021 Q3	$223K	Buy	50,808 +31,116	+158%	+$138K	﹤0.01%	8698
2021 Q2	$86K	Buy	+19,692	New	+$85.2K	﹤0.01%	9329
2021 Q1	–	Sell	-49,214	Closed	-$177K	–	9586
2020 Q4	$177K	Sell	49,214 -256,304	-84%	-$866K	﹤0.01%	7008
2020 Q3	$885K	Sell	305,518 -46,009	-13%	-$162K	﹤0.01%	4295
2020 Q2	$1.43M	Buy	351,527 +305,549	+665%	+$1.18M	﹤0.01%	3544
2020 Q1	$170K	Sell	45,978 -78,589	-63%	-$389K	﹤0.01%	4719
2019 Q4	$702K	Sell	124,567 -540,331	-81%	-$3.28M	﹤0.01%	3255
2019 Q3	$4.08M	Buy	+664,898	New	+$4.02M	0.01%	1150
2019 Q2	–	Sell	-42,890	Closed	-$290K	–	5724
2019 Q1	$290K	Buy	+42,890	New	+$300K	﹤0.01%	4291
2018 Q2	–	Sell	-806,912	Closed	-$6.43M	–	5613
2018 Q1	$6.43M	Sell	806,912 -84,789	-10%	-$674K	0.02%	797
2017 Q4	$6.97M	Buy	891,701 +519,276	+139%	+$4.26M	0.02%	680
2017 Q3	$3.25M	Buy	372,425 +296,014	+387%	+$2.6M	0.01%	1182
2017 Q2	$641K	Sell	76,411 -1,414,177	-95%	-$12.6M	﹤0.01%	2713
2017 Q1	$13.5M	Sell	1,490,588 -980,934	-40%	-$8.07M	0.06%	291
2016 Q4	$18.4M	Buy	2,471,522 +1,530,054	+163%	+$11.2M	0.08%	194
2016 Q3	$7.37M	Buy	+941,468	New	+$7.29M	0.04%	414
2016 Q1	–	Sell	-1,983,103	Closed	-$17M	–	4628
2015 Q4	$17M	Sell	1,983,103 -55,600	-3%	-$526K	0.11%	174
2015 Q3	$18.5M	Buy	2,038,703 +1,219,094	+149%	+$13M	0.12%	141
2015 Q2	$8.78M	Sell	819,609 -78,456	-9%	-$865K	0.06%	284
2015 Q1	$9.73M	Buy	898,065 +10,510	+1%	+$116K	0.08%	226
2014 Q4	$9.52M	Buy	887,555 +776,579	+700%	+$8.7M	0.07%	198
2014 Q3	$1.25M	Sell	110,976 -689,603	-86%	-$8.1M	0.01%	807
2014 Q2	$10.1M	Buy	800,579 +587,019	+275%	+$7.14M	0.13%	135
2014 Q1	$2.47M	Sell	213,560 -51,758	-20%	-$595K	0.03%	474
2013 Q4	$3.18M	Sell	265,318 -1,362,353	-84%	-$16.5M	0.05%	306
2013 Q3	$18.5M	Buy	+1,627,671	New	+$16.8M	0.22%	70

Other funds holding TEF

Barclays London, United Kingdom $416B AUM 33.63% 1-Year Est. Return

AssetMark Inc Concord, California $49B AUM 17.78% 1-Year Est. Return

AAM

Auxier Asset Management Aurora, Oregon $696M AUM 18.07% 1-Year Est. Return

RhumbLine Advisers Boston, Massachusetts $117B AUM 29.66% 1-Year Est. Return

SimplyRich Carlsbad, California $391M AUM 24.42% 1-Year Est. Return

Greenleaf Trust Kalamazoo, Michigan $10.4B AUM 0.97% 1-Year Est. Return

YCM

Yousif Capital Management Bloomfield Hills, Michigan $8.94B AUM 42.6% 1-Year Est. Return

ZAM

Zevin Asset Management Boston, Massachusetts $723M AUM 15.62% 1-Year Est. Return

Koshinski Asset Management Decatur, Illinois $1.6B AUM 20.7% 1-Year Est. Return

SignatureFD Atlanta, Georgia $6.53B AUM 20.48% 1-Year Est. Return

Jane Street's TEF Position: Q1 2026 in Review

Jane Street sold out of Telefonica (TEF) in Q1 2026, closing a stake of 332,946 shares — an estimated $1.35M sold.

Jane Street first reported a position in TEF in Q3 2013 and held it in 41 quarters. The position peaked at $18.5M in Q3 2015. 48 funds tracked by Wall St. Rank hold TEF as of Q1 2026.

Jane Street reported no remaining Telefonica position as of Q1 2026 after selling out during the quarter.
Jane Street sold 332,946 Telefonica shares in Q1 2026, an estimated $1.35M.
Jane Street first reported a position in Telefonica in Q3 2013 and held it in 41 quarters.
Jane Street's Telefonica position peaked at $18.5M in Q3 2015.
48 funds tracked by Wall St. Rank held Telefonica as of Q1 2026.

Based on Jane Street's 13F filing for Q1 2026, filed 12 May 2026.