Jim Simons
CIO

Jim Simons’s City Office REIT CIO Stock Holding History

Jim Simons’s Portfolio CIO Stock Details CIO Fund Activity
Bought
Maintained
Sold
Quarter Market Value Status Shares Change in
Stake 		Trade Value Portfolio Weight Portfolio Position
2025
Q4 		– Sell
-480,115
Closed -$3.34M – 3292
2025
Q3 		$3.34M Sell
480,115
-702,300
-59% -$4.63M ﹤0.01% 1723
2025
Q2 		$6.31M Sell
1,182,415
-73,600
-6% -$369K 0.01% 1371
2025
Q1 		$6.52M Sell
1,256,015
-24,945
-2% -$128K 0.01% 1260
2024
Q4 		$7.07M Buy
1,280,960
+15,544
+1% +$85.3K 0.01% 1227
2024
Q3 		$7.39M Sell
1,265,416
-3,000
-0.2% -$17K 0.01% 1204
2024
Q2 		$6.32M Buy
1,268,416
+21,600
+2% +$104K 0.01% 1168
2024
Q1 		$6.5M Buy
1,246,816
+179,400
+17% +$904K 0.01% 1248
2023
Q4 		$6.52M Buy
1,067,416
+6,000
+0.6% +$28K 0.01% 1186
2023
Q3 		$4.51M Sell
1,061,416
-42,100
-4% -$216K 0.01% 1366
2023
Q2 		$6.15M Sell
1,103,516
-304,600
-22% -$1.66M 0.01% 1305
2023
Q1 		$9.72M Sell
1,408,116
-102,900
-7% -$869K 0.01% 1097
2022
Q4 		$12.7M Sell
1,511,016
-112,500
-7% -$1.08M 0.02% 963
2022
Q3 		$16.2M Sell
1,623,516
-103,800
-6% -$1.28M 0.02% 776
2022
Q2 		$22.4M Buy
1,727,316
+108,800
+7% +$1.54M 0.03% 674
2022
Q1 		$28.6M Buy
1,618,516
+10,600
+0.7% +$191K 0.03% 562
2021
Q4 		$31.7M Buy
1,607,916
+3,100
+0.2% +$57K 0.04% 486
2021
Q3 		$28.7M Sell
1,604,816
-150,666
-9% -$2.19M 0.04% 508
2021
Q2 		$21.8M Sell
1,755,482
-129,034
-7% -$1.49M 0.03% 714
2021
Q1 		$20M Sell
1,884,516
-56,100
-3% -$573K 0.02% 773
2020
Q4 		$19M Sell
1,940,616
-585,254
-23% -$4.81M 0.02% 788
2020
Q3 		$19M Sell
2,525,870
-135,033
-5% -$1.17M 0.02% 764
2020
Q2 		$26.8M Sell
2,660,903
-757,894
-22% -$7.01M 0.02% 665
2020
Q1 		$24.7M Buy
3,418,797
+213,694
+7% +$2.54M 0.02% 666
2019
Q4 		$43.3M Buy
3,205,103
+158,204
+5% +$2.11M 0.03% 586
2019
Q3 		$43.8M Buy
3,046,899
+1,207,103
+66% +$15.8M 0.04% 551
2019
Q2 		$22.1M Buy
1,839,796
+111,100
+6% +$1.31M 0.02% 916
2019
Q1 		$19.6M Buy
1,728,696
+8,200
+0.5% +$93.4K 0.02% 983
2018
Q4 		$17.6M Sell
1,720,496
-236,843
-12% -$2.65M 0.02% 962
2018
Q3 		$24.7M Buy
1,957,339
+398,839
+26% +$5.08M 0.03% 806
2018
Q2 		$20M Buy
1,558,500
+346,900
+29% +$4.13M 0.02% 919
2018
Q1 		$14M Sell
1,211,600
-159,949
-12% -$1.82M 0.02% 1158
2017
Q4 		$17.8M Buy
1,371,549
+548,749
+67% +$7.2M 0.02% 1016
2017
Q3 		$11.3M Buy
822,800
+165,600
+25% +$2.11M 0.01% 1251
2017
Q2 		$8.35M Buy
657,200
+45,300
+7% +$564K 0.01% 1392
2017
Q1 		$7.43M Buy
611,900
+109,501
+22% +$1.38M 0.01% 1450
2016
Q4 		$6.62M Sell
502,399
-72,921
-13% -$914K 0.01% 1488
2016
Q3 		$7.32M Buy
575,320
+223,120
+63% +$2.94M 0.01% 1363
2016
Q2 		$4.57M Buy
352,200
+235,788
+203% +$2.73M 0.01% 1658
2016
Q1 		$1.33M Buy
116,412
+36,212
+45% +$429K ﹤0.01% 2445
2015
Q4 		$977K Buy
80,200
+8,351
+12% +$96.3K ﹤0.01% 2471
2015
Q3 		$816K Buy
71,849
+39,049
+119% +$456K ﹤0.01% 2459
2015
Q2 		$407K Buy
32,800
+16,000
+95% +$206K ﹤0.01% 2782
2015
Q1 		$214K Buy
+16,800
New +$213K ﹤0.01% 2868

Other funds holding CIO

BlackRock
BlackRock New York $6.73T AUM 46.02% 1-Year Est. Return
NM
Newtyn Management New York $936M AUM 27.23% 1-Year Est. Return
GCL
Glazer Capital LLC New York $4.71B AUM 81.93% 1-Year Est. Return
Vanguard Group
Vanguard Group Malvern, Pennsylvania $6.9T AUM 27.45% 1-Year Est. Return
TC
Trium Capital London, United Kingdom $163M AUM 45.8% 1-Year Est. Return
Fidelity International
Fidelity International Hamilton, Bermuda $129B AUM 30.83% 1-Year Est. Return
Nomura Holdings
Nomura Holdings Tokyo, Japan $37.7B AUM 34.44% 1-Year Est. Return
GF
Gabelli Funds Rye, New York $15.7B AUM 36.4% 1-Year Est. Return
MF
Magnetar Financial Evanston, Illinois $9.84B AUM 190.63% 1-Year Est. Return
Geode Capital Management
Geode Capital Management Boston, Massachusetts $1.88T AUM 44.46% 1-Year Est. Return

Jim Simons's CIO Position: Q4 2025 in Review

Jim Simons sold out of City Office REIT (CIO) in Q4 2025, closing a stake of 480,115 shares — an estimated $3.34M sold.

Jim Simons first reported a position in CIO in Q1 2015 and held it in 43 quarters. The position peaked at $43.8M in Q3 2019. 152 funds tracked by Wall St. Rank hold CIO as of Q4 2025.

  • Jim Simons reported no remaining City Office REIT position as of Q4 2025 after selling out during the quarter.
  • Jim Simons sold 480,115 City Office REIT shares in Q4 2025, an estimated $3.34M.
  • Jim Simons first reported a position in City Office REIT in Q1 2015 and held it in 43 quarters.
  • Jim Simons's City Office REIT position peaked at $43.8M in Q3 2019.
  • 152 funds tracked by Wall St. Rank held City Office REIT as of Q4 2025.

Based on Renaissance Technologies's 13F filing for Q4 2025, filed 12 Feb 2026.