Ab Investor Net Worth - Insider Trades and Bio as of Jun 4, 2026

NDAQNASDAQ, INC.SEC CIK: 0000889232

Estimated Net Worth

$5.5 Billion

Last Updated: May 19, 2026 11:06 PM EST

Transaction Summary

Total Transactions85

Buy-Sell Ratio0.24

Buy Transactions14

Sell Transactions59

Transaction Volume

Total Volume-$6.26M

Net Volume$158.67M

Buy Volume$76.20M

Sell Volume-$82.47M

Trade Analysis

AVG Trade Size-$1.76M

Largest Trade$15.84M

Most Active MonthFeb

Most Active Year2005

Trading Sentiment

OverallBullish

Recent TradeBuying

Last 90 Days0 Trades

ConvictionNone

Net Worth & Trading Activity Over Time

Monthly Trading Pattern

Past Insider Trading and Trends

Ab Investor has an estimated net worth of $5.5 Billion. This is based on reported shares across multiple companies, which include NASDAQ, INC., AGILE THERAPEUTICS INC, ISTA PHARMACEUTICALS INC, ACHILLION PHARMACEUTICALS INC, GREENWAY MEDICAL TECHNOLOGIES INC, TANGOE INC, Mattersight Corp, TESSERA TECHNOLOGIES INC, INNOVATIVE MICRO TECHNOLOGY INC, KYPHON INC, and INVESTOR AB.

2008 was Ab Investor's most active year for acquiring shares with 10 total transactions. Ab Investor's most active month to acquire stocks was the month of November. 2004 was Ab Investor's most active year for disposing of shares, totalling 276 transactions. Ab Investor's most active month to dispose stocks was the month of October. 2026 saw Ab Investor paying a total of $15,835,040.00 for 200,000 shares, this is the most they've acquired in one year. In 2013 Ab Investor cashed out on 7,031,440 shares for a total of $143,089,804.00, their largest year based on trade value.

Holdings & Transactions

NDAQnasdaq, inc.

Updated: Feb 13, 2026VIEW QUOTE

Form Type	Δ Own, %	Traded Shares	Price	Size, $	Filing Date	Own, %	Type	Scheduled	Trade Dates	SEC Filing
From 4	0.00	200.00K	$79.18	$15.84M	Feb 13, 2026	58.38M	Purchase	—	Feb 13	View
From 4	0.01	100.00K	$21.71	$2.17M	May 25, 2012	19.39M	Purchase	—	May 23	View
From 4/A	0.02	300.00K	$23.53	$7.06M	May 23, 2012	19.25M	Purchase	—	May 14	View
From 4	0.00	40.00K	$21.90	$876.01K	May 23, 2012	19.29M	Purchase	—	May 21	View
From 4	0.02	300.00K	$23.53	$7.06M	May 16, 2012	18.90M	Purchase	—	May 14	View
From 4	0.02	350.00K	$21.37	$7.48M	Aug 11, 2011	18.95M	Purchase	—	Aug 09 - 10	View
From 4	0.01	200.00K	$22.75	$4.55M	Aug 09, 2011	18.60M	Purchase	—	Aug 05	View
From 4	0.02	400.00K	$23.28	$9.31M	Aug 04, 2011	18.40M	Purchase	—	Aug 02 - 04	View
From 3	—	—	—	—	Feb 17, 2011	18.00M	—	—	—	View

AGRXagile therapeutics inc

Updated: May 29, 2014VIEW QUOTE

Form Type	Δ Own, %	Traded Shares	Price	Size, $	Filing Date	Own, %	Type	Scheduled	Trade Dates	SEC Filing
From 4	2.51	2.51M	$6.00	$15.06M	May 29, 2014	3.51M	Purchase	—	May 29	View
From 4	—	1.00M	$6.00	$6.00M	May 27, 2014	1.00M	Purchase	—	May 22	View
From 3	—	—	—	—	May 22, 2014	—	—	—	—	View

greenway medical technologies inc

Updated: Nov 05, 2013

Form Type	Δ Own, %	Traded Shares	Price	Size, $	Filing Date	Own, %	Type	Scheduled	Trade Dates	SEC Filing
From 4	-1.00	7.03M	$20.35	-$143.09M	Nov 05, 2013	—	Disposition	—	Nov 01	View
From 4	0.31	1.67M	—	—	Feb 09, 2012	7.03M	Options	—	Feb 07	View
From 3	—	—	—	—	Feb 01, 2012	1.76M	—	—	—	View

mattersight corp

Updated: May 10, 2012

Form Type	Δ Own, %	Traded Shares	Price	Size, $	Filing Date	Own, %	Type	Scheduled	Trade Dates	SEC Filing
From 4	—	—	—	—	May 10, 2012	—	—	—	—	View
From 3	—	—	—	—	Dec 27, 2011	2.36M	—	—	—	View

tangoe inc

Updated: Aug 02, 2011

Form Type	Δ Own, %	Traded Shares	Price	Size, $	Filing Date	Own, %	Type	Scheduled	Trade Dates	SEC Filing
From 4	-0.05	132.36K	$9.30	-$1.23M	Aug 02, 2011	2.76M	Sale	—	Aug 01	View
From 3	—	—	—	—	Jul 26, 2011	2.89M	—	—	—	View

achillion pharmaceuticals inc

Updated: Jan 05, 2010

Form Type	Δ Own, %	Traded Shares	Price	Size, $	Filing Date	Own, %	Type	Scheduled	Trade Dates	SEC Filing
From 4	-0.03	95.20K	$3.21	-$305.54K	Jan 05, 2010	3.60M	Sale	—	Dec 31	View
From 4	-0.06	251.51K	$3.16	-$794.72K	Dec 30, 2009	3.70M	Sale	—	Dec 28 - 29	View
From 4	-0.20	976.99K	$3.33	-$3.25M	Dec 18, 2009	3.95M	Sale	—	Dec 16 - 17	View
From 4	0.10	467.50K	$0.95	$446.25K	Dec 22, 2008	4.93M	Purchase	—	Dec 18	View
From 4	0.03	127.50K	$1.00	$127.93K	Dec 10, 2008	4.46M	Purchase	—	Dec 08 - 09	View
From 4	0.09	200.00K	$1.00	$200.80K	Dec 08, 2008	2.55M	Purchase	—	Dec 04	View
From 4	0.01	24.70K	$1.00	$24.70K	Dec 01, 2008	2.35M	Purchase	—	Nov 26	View
From 3	—	—	—	—	Aug 22, 2008	2.32M	—	—	—	View

ista pharmaceuticals inc

Updated: Jun 19, 2007

Form Type	Δ Own, %	Traded Shares	Price	Size, $	Filing Date	Own, %	Type	Scheduled	Trade Dates	SEC Filing
From 4	-0.01	13.61K	$8.10	-$110.26K	Jun 19, 2007	2.66M	Sale	—	Jun 15	View
From 4	-0.01	21.23K	$8.17	-$173.41K	Jun 04, 2007	2.67M	Sale	—	May 31 - 04	View
From 4	-0.01	40.00K	$7.50	-$299.87K	May 22, 2007	2.69M	Sale	—	May 18 - 22	View
From 4	-0.00	4.74K	$10.25	-$48.61K	May 02, 2007	2.73M	Sale	—	Apr 30	View
From 4	-0.04	118.88K	$10.04	-$1.19M	Apr 30, 2007	2.74M	Sale	—	Apr 26 - 27	View
From 4	-0.07	240.59K	$6.10	-$27.02	Apr 12, 2007	3.34M	Options	—	Mar 30	View
From 4	-0.02	61.50K	$8.64	-$531.12K	Mar 08, 2007	2.57M	Sale	—	Mar 06 - 07	View
From 4	-0.01	15.00K	$8.36	-$125.35K	Mar 01, 2007	2.63M	Sale	—	Feb 26	View
From 4	-0.01	30.49K	$8.06	-$245.78K	Feb 22, 2007	2.64M	Sale	—	Feb 20 - 22	View
From 4	-0.00	10.89K	$8.13	-$88.59K	Feb 16, 2007	2.67M	Sale	—	Feb 14 - 16	View
From 4	-0.03	71.10K	$8.06	-$573.29K	Feb 13, 2007	2.68M	Sale	—	Feb 09 - 13	View
From 4/A	-0.00	766.00	$9.18	-$7.03K	Sep 01, 2005	839.98K	Sale	Scheduled	Jul 15	View
From 4	-0.01	30.00K	$9.78	-$293.52K	Jul 22, 2005	2.75M	Sale	Scheduled	Jul 19 - 20	View
From 4	-0.01	26.02K	$9.20	-$239.29K	Jul 19, 2005	2.78M	Sale	Scheduled	Jul 15 - 18	View
From 4	-0.01	25.00K	$8.75	-$218.72K	Jun 24, 2005	2.81M	Sale	Scheduled	Jun 23	View
From 4	-0.01	15.00K	$8.66	-$129.96K	May 23, 2005	2.83M	Sale	Scheduled	May 19 - 23	View
From 4	-0.00	10.00K	$8.50	-$85.00K	May 20, 2005	2.85M	Sale	Scheduled	May 18	View
From 4	-0.01	18.70K	$10.38	-$194.17K	Mar 29, 2005	2.86M	Sale	Scheduled	Mar 28	View
From 4	-0.00	6.30K	$9.80	-$61.75K	Mar 25, 2005	2.88M	Sale	Scheduled	Mar 23	View
From 4	-0.01	15.00K	$9.61	-$144.11K	Mar 23, 2005	2.88M	Sale	Scheduled	Mar 21	View
From 4	-0.01	25.00K	$9.01	-$225.13K	Mar 18, 2005	2.90M	Sale	Scheduled	Mar 16 - 17	View
From 4	-0.01	35.00K	$10.66	-$373.16K	Mar 03, 2005	2.92M	Sale	Scheduled	Mar 01	View
From 4	-0.00	5.00K	$10.54	-$52.68K	Mar 02, 2005	2.96M	Sale	Scheduled	Feb 28	View
From 4	-0.01	25.00K	$10.03	-$250.76K	Feb 25, 2005	2.96M	Sale	Scheduled	Feb 24 - 25	View
From 4	-0.01	19.05K	$10.03	-$191.19K	Feb 24, 2005	2.99M	Sale	Scheduled	Feb 23	View
From 4	-0.00	5.95K	$10.52	-$62.51K	Feb 18, 2005	3.01M	Sale	Scheduled	Feb 17	View
From 4	-0.01	35.00K	$10.55	-$369.27K	Feb 04, 2005	3.01M	Sale	Scheduled	Feb 02 - 03	View
From 4	-0.01	44.10K	$9.66	-$425.97K	Jan 25, 2005	3.05M	Sale	Scheduled	Jan 21 - 24	View
From 4	-0.00	10.90K	$9.25	-$100.87K	Jan 21, 2005	3.09M	Sale	Scheduled	Jan 19	View
From 4	-0.01	42.30K	$10.45	-$442.11K	Jan 05, 2005	3.10M	Sale	Scheduled	Jan 03 - 04	View
From 4	-0.01	47.70K	$10.02	-$478.05K	Dec 22, 2004	3.15M	Sale	Scheduled	Dec 20 - 21	View
From 4	-0.01	20.10K	$10.04	-$201.90K	Nov 30, 2004	3.19M	Sale	Scheduled	Nov 29	View
From 4	-0.01	22.63K	$10.42	-$235.80K	Nov 24, 2004	3.21M	Sale	Scheduled	Nov 22 - 23	View
From 4	-0.00	12.27K	$10.90	-$133.79K	Nov 23, 2004	3.24M	Sale	Scheduled	Nov 19	View
From 4	-0.00	16.20K	$10.91	-$176.83K	Nov 09, 2004	3.25M	Sale	Scheduled	Nov 05	View
From 4	-0.00	5.20K	$9.97	-$51.85K	Oct 29, 2004	3.27M	Sale	Scheduled	Oct 28	View
From 4	-0.00	9.80K	$10.96	-$107.45K	Oct 21, 2004	3.27M	Sale	Scheduled	Oct 19	View
From 4	-0.01	40.00K	$10.83	-$433.25K	Oct 20, 2004	3.28M	Sale	Scheduled	Oct 18	View
From 4	-0.00	13.50K	$11.63	-$157.01K	Sep 29, 2004	3.32M	Sale	Scheduled	Sep 27	View
From 4	-0.00	16.50K	$11.78	-$194.34K	Sep 28, 2004	3.33M	Sale	Scheduled	Sep 24	View
From 4	-0.01	25.00K	$11.60	-$290.00K	Sep 23, 2004	3.35M	Sale	Scheduled	Sep 21	View
From 4	-0.01	45.00K	$11.66	-$524.52K	Sep 17, 2004	3.38M	Sale	Scheduled	Sep 15	View
From 4	-0.01	45.00K	$11.66	-$524.52K	Sep 17, 2004	3.38M	Sale	Scheduled	Sep 15	View

innovative micro technology inc

Updated: Feb 03, 2005

Form Type	Δ Own, %	Traded Shares	Price	Size, $	Filing Date	Own, %	Type	Scheduled	Trade Dates	SEC Filing
From 3	—	—	—	—	Feb 03, 2005	470.59K	—	—	—	View

tessera technologies inc

Updated: Oct 28, 2004

Form Type	Δ Own, %	Traded Shares	Price	Size, $	Filing Date	Own, %	Type	Scheduled	Trade Dates	SEC Filing
From 4	-0.09	375.00K	$27.55	-$10.33M	Oct 28, 2004	3.69M	Sale	—	Oct 26	View
From 4	-0.05	65.31K	$29.97	-$1.96M	Oct 27, 2004	4.07M	Sale	—	Oct 25	View
From 4	-0.05	229.56K	$29.35	-$6.74M	Oct 27, 2004	4.13M	Sale	—	Oct 25	View
From 4	-0.09	305.13K	$28.78	-$8.78M	Oct 27, 2004	4.36M	Sale	—	Oct 25	View
From 4	-0.01	100.61K	$17.53	-$1.76M	Apr 30, 2004	9.37M	Sale	—	Apr 28	View
From 4	-0.07	750.00K	$17.53	-$13.15M	Apr 01, 2004	9.77M	Sale	—	Mar 31	View
From 4	-0.02	500.00K	$12.09	-$6.04M	Nov 20, 2003	21.42M	Sale	—	Nov 18	View
From 3	—	—	—	—	Nov 12, 2003	—	—	—	—	View

kyphon inc

Updated: Feb 02, 2004

Form Type	Δ Own, %	Traded Shares	Price	Size, $	Filing Date	Own, %	Type	Scheduled	Trade Dates	SEC Filing
From 4	-0.03	105.00K	$28.39	-$2.98M	Feb 02, 2004	3.88M	Sale	—	Jan 30	View
From 4	-0.01	20.50K	$26.27	-$538.49K	Dec 01, 2003	3.99M	Sale	—	Nov 26	View
From 4	-0.03	120.00K	$25.95	-$3.11M	Nov 26, 2003	4.01M	Sale	—	Nov 25	View
From 4	-0.03	125.00K	$28.24	-$3.53M	Nov 10, 2003	4.13M	Sale	—	Nov 06 - 07	View
From 4	-0.01	40.00K	$28.64	-$1.15M	Nov 07, 2003	4.25M	Sale	—	Nov 05	View

investor ab

Updated: Nov 20, 2003

Form Type	Δ Own, %	Traded Shares	Price	Size, $	Filing Date	Own, %	Type	Scheduled	Trade Dates	SEC Filing
From 4	-0.02	500.00K	$12.09	-$6.04M	Nov 20, 2003	21.42M	Sale	—	Nov 18	View

Benzinga

Benzinga

Net Worth & Trading Activity Over Time

Monthly Trading Pattern

Past Insider Trading and Trends

Holdings & Transactions