Jane Street
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Jane Street’s Seer Inc SEER Stock Holding History

Jane Street’s Portfolio SEER Stock Details SEER Fund Activity
Bought
Maintained
Sold
Quarter Market Value Status Shares Change in
Stake 		Trade Value Portfolio Weight Portfolio Position
2026
Q2 		$98.6K Buy
+59,400
New +$108K ﹤0.01% 10604
2026
Q1 		– Sell
-43,222
Closed -$79.1K – 12840
2025
Q4 		$79.1K Sell
43,222
-2,961
-6% -$6.04K ﹤0.01% 10310
2025
Q3 		$100K Sell
46,183
-170,797
-79% -$363K ﹤0.01% 10130
2025
Q2 		$464K Sell
216,980
-37,194
-15% -$74.5K ﹤0.01% 7068
2025
Q1 		$430K Buy
254,174
+63,432
+33% +$138K ﹤0.01% 7153
2024
Q4 		$441K Buy
190,742
+425
+0.2% +$932 ﹤0.01% 7043
2024
Q3 		$375K Sell
190,317
-115,722
-38% -$203K ﹤0.01% 7680
2024
Q2 		$514K Buy
306,039
+280,484
+1,098% +$524K ﹤0.01% 6978
2024
Q1 		$48.6K Sell
25,555
-33,380
-57% -$59.9K ﹤0.01% 8747
2023
Q4 		$114K Buy
+58,935
New +$105K ﹤0.01% 8525
2023
Q3 		– Sell
-58,537
Closed -$250K – 9302
2023
Q2 		$250K Sell
58,537
-39,946
-41% -$156K ﹤0.01% 7387
2023
Q1 		$380K Buy
98,483
+74,976
+319% +$345K ﹤0.01% 6798
2022
Q4 		$136K Buy
23,507
+8,062
+52% +$54.4K ﹤0.01% 7924
2022
Q3 		$120K Buy
15,445
+705
+5% +$6.85K ﹤0.01% 8549
2022
Q2 		$132K Buy
14,740
+36
+0.2% +$329 ﹤0.01% 8491
2022
Q1 		$224K Sell
14,704
-4,504
-23% -$69.7K ﹤0.01% 8878
2021
Q4 		$438K Buy
19,208
+11,101
+137% +$320K ﹤0.01% 7499
2021
Q3 		$280K Buy
+8,107
New +$279K ﹤0.01% 8326
2021
Q2 		– Sell
-12,364
Closed -$488K – 10329
2021
Q1 		$619K Buy
+12,364
New +$723K ﹤0.01% 6406

Other funds holding SEER

SoftBank Group
SoftBank Group Tokyo, Japan $18.2B AUM 177.65% 1-Year Est. Return
SL
Siren LLC Greenwich, Connecticut $4.94B AUM 244.43% 1-Year Est. Return
Acadian Asset Management
Acadian Asset Management Boston, Massachusetts $84.2B AUM 55.88% 1-Year Est. Return
Vanguard Capital Management
Vanguard Capital Management Malvern, Pennsylvania $4.68T AUM
BlackRock
BlackRock New York $6.73T AUM 46.02% 1-Year Est. Return
Renaissance Technologies
Renaissance Technologies New York $72.6B AUM 54.88% 1-Year Est. Return
NCNMGF
Nano-Cap New Millennium Growth Fund Staten Island, New York $130M AUM
Citadel Advisors
Citadel Advisors Miami, Florida $875B AUM 40.89% 1-Year Est. Return
Two Sigma Investments
Two Sigma Investments New York $138B AUM 41.87% 1-Year Est. Return
Geode Capital Management
Geode Capital Management Boston, Massachusetts $1.88T AUM 44.46% 1-Year Est. Return

Jane Street's SEER Position: Q2 2026 in Review

Jane Street opened a new position in Seer Inc (SEER) in Q2 2026: 59,400 shares worth $98.6K. The stake represents ﹤0.01% of the portfolio and ranks #10604 among its holdings. This is a return to the name: Jane Street previously reported a position in SEER as recently as Q4 2025.

Jane Street first reported a position in SEER in Q1 2021 and has held it in 19 quarters since. The position peaked at $619K in Q1 2021. 59 funds tracked by Wall St. Rank hold SEER as of Q2 2026.

  • Jane Street held 59,400 shares of Seer Inc worth $98.6K as of Q2 2026.
  • Seer Inc was a new Jane Street position in Q2 2026.
  • Seer Inc made up ﹤0.01% of Jane Street's portfolio in Q2 2026, its #10604 holding.
  • Jane Street first reported a position in Seer Inc in Q1 2021 and has held it in 19 quarters since.
  • Jane Street's Seer Inc position peaked at $619K in Q1 2021.
  • 59 funds tracked by Wall St. Rank held Seer Inc as of Q2 2026.

Based on Jane Street's 13F filing for Q2 2026, filed 14 Aug 2026.