Ken Griffin’s Integral Ad Science IAS Stock Holding History

Ken Griffin’s Portfolio IAS Stock Details IAS Fund Activity

Bought

Maintained

Sold

Quarter	Market Value	Status	Shares	Change in Stake	Trade Value	Portfolio Weight	Portfolio Position
2025 Q4	–	Sell	-24,900	Closed	-$253K	–	13261
2025 Q3	$253K	Buy	24,900 +12,500	+101%	+$108K	﹤0.01%	10732
2025 Q2	$103K	Buy	12,400 +1,000	+9%	+$7.63K	﹤0.01%	11320
2025 Q1	$91.9K	Sell	11,400 -10,700	-48%	-$107K	﹤0.01%	11593
2024 Q4	$231K	Sell	22,100 -10,800	-33%	-$118K	﹤0.01%	10180
2024 Q3	$356K	Buy	32,900 +26,400	+406%	+$284K	﹤0.01%	8956
2024 Q2	$63.2K	Buy	6,500 +5,500	+550%	+$52.6K	﹤0.01%	11508
2024 Q1	$9.97K	Sell	1,000 -21,400	-96%	-$286K	﹤0.01%	13477
2023 Q4	$322K	Buy	22,400 +1,400	+7%	+$18.7K	﹤0.01%	9025
2023 Q3	$250K	Buy	21,000 +16,100	+329%	+$249K	﹤0.01%	9500
2023 Q2	$88.1K	Buy	4,900 +500	+11%	+$8.44K	﹤0.01%	11116
2023 Q1	$62.8K	Buy	4,400 +2,400	+120%	+$27K	﹤0.01%	11867
2022 Q4	$17.6K	Buy	+2,000	New	+$17K	﹤0.01%	13242

Other funds holding IAS

IFP Advisors Tampa, Florida $5.54B AUM 27.43% 1-Year Est. Return

HNB

Huntington National Bank Columbus, Ohio $20.6B AUM 34.61% 1-Year Est. Return

Ken Griffin's IAS Position: Q3 2025 in Review

Ken Griffin sold out of Integral Ad Science (IAS) in Q3 2025, closing a stake of 63,817 shares — an estimated $553K sold.

Ken Griffin first reported a position in IAS in Q2 2021 and held it in 16 quarters. The position peaked at $27.8M in Q2 2023. 171 funds tracked by Wall St. Rank hold IAS as of Q3 2025.

Ken Griffin reported no remaining Integral Ad Science position as of Q3 2025 after selling out during the quarter.
Ken Griffin sold 63,817 Integral Ad Science shares in Q3 2025, an estimated $553K.
Ken Griffin first reported a position in Integral Ad Science in Q2 2021 and held it in 16 quarters.
Ken Griffin's Integral Ad Science position peaked at $27.8M in Q2 2023.
171 funds tracked by Wall St. Rank held Integral Ad Science as of Q3 2025.

Based on Citadel Advisors's 13F filing for Q3 2025, filed 14 Nov 2025.