JY
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Jeff Yass’s Sera Prognostics SERA Stock Holding History

Jeff Yass’s Portfolio SERA Stock Details SERA Fund Activity
Bought
Maintained
Sold
Quarter Market Value Status Shares Change in
Stake 		Trade Value Portfolio Weight Portfolio Position
2026
Q1 		– Sell
-71,532
Closed -$211K – 14005
2025
Q4 		$211K Buy
71,532
+49,160
+220% +$159K ﹤0.01% 10760
2025
Q3 		$68.5K Sell
22,372
-2,074
-8% -$5.91K ﹤0.01% 11750
2025
Q2 		$67.7K Sell
24,446
-13,253
-35% -$32.8K ﹤0.01% 12004
2025
Q1 		$139K Sell
37,699
-64,761
-63% -$330K ﹤0.01% 11291
2024
Q4 		$834K Buy
102,460
+71,456
+230% +$525K ﹤0.01% 7419
2024
Q3 		$242K Buy
31,004
+20,431
+193% +$148K ﹤0.01% 10089
2024
Q2 		$62.6K Sell
10,573
-145,534
-93% -$1.3M ﹤0.01% 11316
2024
Q1 		$1.42M Buy
156,107
+126,194
+422% +$1M ﹤0.01% 6128
2023
Q4 		$179K Buy
+29,913
New +$86.9K ﹤0.01% 10796
2023
Q3 		– Sell
-15,400
Closed -$50.7K – 12874
2023
Q2 		$50.7K Buy
15,400
+5,264
+52% +$18.1K ﹤0.01% 11334
2023
Q1 		$38.8K Buy
+10,136
New +$26.6K ﹤0.01% 11809
2022
Q4 		– Sell
-23,527
Closed -$38K – 13546
2022
Q3 		$38K Buy
+23,527
New +$47.4K ﹤0.01% 12356

Other funds holding SERA

BBA
Baker Bros. Advisors New York $20B AUM 154.41% 1-Year Est. Return
WCA
Whetstone Capital Advisors Shawnee Mission, Kansas $380M AUM 20.01% 1-Year Est. Return
Aberdeen Group
Aberdeen Group Edinburgh, United Kingdom $71.2B AUM 41.74% 1-Year Est. Return
PR
PSP Research Newtown Square, Pennsylvania $188M AUM
VC
Vivo Capital Palo Alto, California $1.1B AUM 799.93% 1-Year Est. Return
Vanguard Capital Management
Vanguard Capital Management Malvern, Pennsylvania $4.68T AUM
CAPTRUST Financial Advisors
CAPTRUST Financial Advisors Raleigh, North Carolina $65.5B AUM 24.25% 1-Year Est. Return
Geode Capital Management
Geode Capital Management Boston, Massachusetts $1.88T AUM 44.46% 1-Year Est. Return
SMH
Sanders Morris Harris Houston, Texas $172M AUM 22.54% 1-Year Est. Return
Citadel Advisors
Citadel Advisors Miami, Florida $875B AUM 40.91% 1-Year Est. Return

Jeff Yass's SERA Position: Q1 2026 in Review

Jeff Yass sold out of Sera Prognostics (SERA) in Q1 2026, closing a stake of 71,532 shares — an estimated $211K sold.

Jeff Yass first reported a position in SERA in Q3 2022 and held it in 12 quarters. The position peaked at $1.42M in Q1 2024. 56 funds tracked by Wall St. Rank hold SERA as of Q1 2026.

  • Jeff Yass reported no remaining Sera Prognostics position as of Q1 2026 after selling out during the quarter.
  • Jeff Yass sold 71,532 Sera Prognostics shares in Q1 2026, an estimated $211K.
  • Jeff Yass first reported a position in Sera Prognostics in Q3 2022 and held it in 12 quarters.
  • Jeff Yass's Sera Prognostics position peaked at $1.42M in Q1 2024.
  • 56 funds tracked by Wall St. Rank held Sera Prognostics as of Q1 2026.

Based on Susquehanna International Group's 13F filing for Q1 2026, filed 15 May 2026.